Professor Emeritus

Basic Information

Email:
rkthomas@uga.edu
Curriculum Vitae:
Curriculum Vitae (93.48 KB)

Research Interests

Animal Cognition, Behavioral Neuroscience, History of Psychology and Behavioral Neuroscience

 

Selected Publications:

Total=131

Publications within the categories "Recent," "Articles in Scholarly Journals," "Chapters in Scholarly Books," and "Other Archived, Published Scholarly Writings" are in chronological order.  Underlined Publications may be downloaded.  I believe none violate copyright, but limit to one copy, please

Recent

Section A Articles "In press"

Thomas, R. K. (In press).  Morgan's canon.  In J. Vonk & T. Shackleford (Eds-in-Chief).  Encyclopedia of Animal Cognition and Behavior. New York, NY: Springer.

Thomas, R. K. (In press). Oddity.  In J. Vonk & T. Shacklefors (Eds-in-Chief).  Encyclopedia of Animal Cognition and Behavior.  New York, NY: Springer.

Thomas, R. K. (In press).  Learning to learn.  In J. Vonk & T Shackleford *Eds-in-Chief).  Encyclopedia of Animal Cognition and Behavior. New York, NY: Springer

Thomas, R. K. (In press). Relative numerousness.  In J. Vonk & T. Shackleford (Eds-in-Chief).  Encyclopedia of Animal Cognition and Behavior. New York, NY: Springer.

Thomas, R. K. (in press).  Relational concepts and symbolic logic.  In J. Vonk & T. Shackleford (Eds-in-Chief).  Encyclopedia of Animal Cognition and Behavior.  New York, NY: Springer.

Thomas, R. K. (In press).  Roger K. Thomas.  In J. Vonk & T. Shackleford (Eds-in-Chief).  Encyclopedia of Animal Cognition and Behavior.  New York, NY: Springer.

Thomas, R. K. (In press). Johannes Muller. In J. Vonk & T. Shackleford (Eds-in-Chief). Encyclopedia of Animal Learning and Behavior.  New York, NY: Springer.

Thomas, R. K. (In press). Hermann von Helmholtz.  In J. Vonk & T. Shackleford (Eds-in-Chief).  Encyclopedia of Animal Cognition and Behavior.  New York, NY: Springer.

Thomas, R. K. (In press).  Reductionism.  In J. Vonk & T. Shackleford (Eds-in-Chief).  Encyclopedia of Animal Cognition and Behavior.  New York, NY: Springer

Thomas, R.K. (In press).  Christine Ladd-Franklin.  In J. Vonk & T. Shackleford, (Eds-in-Chief).  Encyclopedia of Animal Cognition and Behavior.  New York, NY, Springer.

Section B: Articles Published in Past Five Years

Thomas, R. K. (2019).  The surprising (and Long) story of the first use of ether in surgery.  TheConversation.com, March 28, 2019. [TheConversation is a nonprofit web magazine with affiliation with many major universities.  It publishes articles by academics together with a website journalist whose job is to make it more appealing to a broad range of readers.]

Thomas, R. K. (2018). Is psychological science committing "suicide" by linguistic muddling. Commentary on Peňa-Guzmán’s article, “Can nonhuman animals commit suicide?”  This invited commentary is downloadable ere as a PDF.  For access to Peňa-Guzmán’s article and other commentaries: http://animalstudiesrepository.org/animsent/vol2/iss20/

Thomas, R. K. (2016).  Priority Disputes in the History of Psychology with Special Attention to the Franz-Kalischer Dispute About Who First Combined Animal Training with Brain Extirpation to Investigate Brain Functions.  The Psychological Record., 66, 191-199. 

Thomas, R.K. (2016). Brain and  intelligence.  In H. L. Miller (Ed.).  Encyclopedia of Theory in Psychology (pp. 107-110). Thousand Oaks, CA: Sage Publications.  Manuscript version: ©Sage holds the Copyright.

Thomas, R. K. (2016) Intelligence, Evolution of.  In H. L. Miller (Ed.). Encyclopedia of Theory in Psychology (pp. 454-456). Thousand Oaks, CA: SAGE Publications.  Manuscript Version: ©Sage holds the Copyright.

 

Articles in Scholarly Journals

Rollins, J.B., Thomas, R.K., & Remley, N. (1965).  An investigation of drive summation in a water runway.  Psychonomic Science, 3, 183- 184.

Thomas, R. K., Jr., & Peacock, L. J. (1965). A method for measuring brain lesions. Psychonomic Science, 3, 184.

Thomas, R. K., Jr. (1966). Immediate and subsequent effects of brain damage in rats. Journal of Comparative and Physiological Psychology, 62, 472-475.

Peacock, L. J., Hodge, M. H., & Thomas, R. K., Jr. (1966). Ultrasonic measurements and automatic analysis of general activity in the rat. Journal of Comparative and Physiological Psychology, 62, 284-288.

Barge, E. M., & Thomas, R. K., Jr. (1969). Conditional discrimination learning in the squirrel monkey. Psychonomic Science, 15, 161 -162.

Thomas, R. K., Jr. (1969). The influence of Sernylan on the EEG and averaged evoked potential in the squirrel monkey. Laboratory Primate Newsletter, 8, 19-21.

Noble, C. S., & Thomas, R. K. Jr. (1970). Oddity learning in the squirrel monkey. Psychonomic Science, 19, 305-307.

Thomas, R. K., Jr. (1970). Mass function and equipotentiality: A reanalysis of Lashley's retention data. Psychological Reports, 27, 899-902. 

Davis, J. W., Thomas, R. K., Jr., & Adams, H. E. (1971). Interactions of scopolamine and physostigmine with ECS and one-trial learning. Physiology and Behavior, 6, 219-222.

Mitcham, J. C., & Thomas, R. K., Jr. (1972). Effects of substantia nigra and caudate nucleus lesions on avoidance learning in rats. Journal of Comparative and Physiological Psychology, 81, 101-107.

Thomas, R. K., & Boyd, M. G. (1973). A comparison of Cebus albifrons and Saimiri sciureus on oddity performance. Animal Learning and Behavior, 1, 151-153.

Thomas, R. K., & Hill, A. S. (1973). The caudate nucleus and avoidance learning: A reevaluation. Bulletin of the Psychonomic Society, 1, 346-348.

Mendoza, J. E., & Thomas, R. K. (1975). An investigation of the effects of posterior parietal and frontal neocortical lesions in the squirrel monkey. Journal of Comparative and Physiological Psychology, 89, 170- 182.

Thomas, R. K., & Weir, V. K. (1975). The effects of lesions in the frontal or posterior association cortex of rats on maze III. Physiological Psychology, 3, 210-214

Weir, V. K., & Thomas, R. K. (1975). Failure to find spatial reversal deficits following medial frontal lesions. Bulletin of the Psychonomic Society, 5, 465-468.

Czerny, P., & Thomas, R. K. (1975). Sameness-difference judgments in Saimiri sciureus based on volumetric cues. Animal Learning and Behavior, 3, 375-379.

Prewett, M. J., & Thomas, R. K. (1976). Interactions of ECS and a light-dark cycle on one-way avoidance learning in rats. Physiological Psychology, 4, 118-120.

Thomas, R. K., & Peay, L. (1976). Length judgments in squirrel monkeys: Evidence for conservation? Developmental Psychology, 12, 349-352.

Thomas, R. K., & Kerr, R. S. (1976). Conceptual conditional discrimination in Saimiri sciureus. Animal Learning and Behavior, 4, 333-336.

Thomas, R. K., & Crosby, T. N. (1977). Absolute and relative class conceptual behavior in squirrel monkeys (Saimiri sciureus). Animal Learning and Behavior, 5, 265-271.

Boyd, M. G., & Thomas, R. K. (1977). Posterior association cortex lesions in rats: Mazes, pattern discrimination and reversal learning. Physiological Psychology, 5, 455-461.

McDaniel, W. F., McDaniel, S. E., & Thomas, R. K. (1978). Thalamo-cortical projections to the temporal and temporal association cortices in the rat. Neuroscience Letters, 7, 121-125.

McDaniel, W. F., & Thomas, R. K. (1978). Temporal and parietal association cortex lesions and spatial and black-white reversal learning in the rat. Physiological Psychology, 6, 300-305.

Thomas, R. K., & Ingram, D. K. (1979). Conceptual volume judgments by squirrel monkeys. American Journal of Psychology, 92, 33-43.

Thomas, R. K., Fowlkes, D., & Vickery, J. D. (1980). Conceptual numerousness judgments by squirrel monkeys. American Journal of Psychology, 93, 247-257.

Gammon, W. D., & Thomas, R. K. (1980). Interactive effects of light/dark cycle, ECS, physostigmine, and scopolamine on one-way avoidance learning in rats. Physiological Psychology, 8, 72-76.

Thomas, R. K., & Chase, L. (1980). Relative numerousness judgments by squirrel monkeys. Bulletin of the Psychonomic Society, 16, 79-82.  

Thomas, R. K. (1980).  Evolution of intelligence: An approach to its assessment. Brain, Behavior and Evolution, 17, 454-472.

Thomas, R. K. (1980). Attention, motivation and emotion: Entia non sunt multiplicanda praeter necessitatem. Behavioral and Brain Sciences, 3, 517-518.

Thomas, R. K. (1982). The assessment of primate intelligence. Journal of Human Evolution, 11, 247-255.

Thomas, R. K., & Frost, T. (1983). Oddity and dimension-abstracted dimension-abstracted oddity in squirrel monkeys.  American Journal of Psychology, 96, 51-64.

Burdyn, L. E. Jr., Noble, L. M., Shreves, L. E., & Thomas, R. K. (1984). Long-term memory for concepts by squirrel monkeys. Physiological Psychology, 12, 97-102.

Burdyn, L. E., Jr., & Thomas, R. K. (1984). Conditional discrimination with conceptual simultaneous and successive cues in the squirrel monkey (Saimiri sciureus). Journal of Comparative Psychology, 98, 405-413.

Thomas, R. K. (1985). Are cognitive and radical behaviorism incompatible? Behavioral and Brain Sciences, 7, 650. [Reprinted in A.C. Catania & S. Harnad (Eds.) The operant behaviorism of B.F. Skinner: Comments and consequences. New York: Cambridge University Press, 1988.]

Noble, L. M., & Thomas, R. K. (1985). Oddity and dimension-abstracted oddity (DAO) in humans. American Journal of Psychology, 98, 549-557.

Thomas, R. K. (1987). Overcoming contextual variables, negative results, and Macphail's null hypothesis. Behavioral and Brain Sciences, 10, 680-681.

Thomas, R. K., & Noble, L. M. (1988). Visual and olfactory oddity learning in rats: What evidence is necessary to show conceptual behavior? Animal Learning & Behavior, 16, 157-163.

Thomas, R. K. (1988). Misdescription and misuse of anecdotes and mental state concepts. Behavioral and Brain Sciences, 11, 265-266.

Thomas, R. K. (1988). To honor Davis and Perusse and repeal their glossary of processes of numerical competence. Behavioral and Brain Sciences, 11, 600.

Terrell, D. F., & Thomas, R. K. (1990). Number-related discrimination and summation by squirrel monkeys (Saimiri sciureus sciureus; Saimiri boliviensus boliviensus) based on the number of sides of polygons. Journal of Comparative Psychology, 104, 238-247.

Steirn, J. N., & Thomas, R. K. (1990). Comparative assessments of intelligence: Performances of Homo sapiens sapiens on hierarchies of oddity and sameness-difference (SD)tasks. Journal of Comparative Psychology, 104, 326-333

Thomas, R. K. (1992). Interactive models of cognitive abilities of monkeys and humans (Saimiri sciureus sciureus; S. boliviensus boliviensus; Homo sapiens sapiens). International Journal of Comparative Psychology, 5, 179- 190.

Thomas, R. K., & Young, C. D. (1993). A note on the history of electrical stimulation of the human brain. Journal of General Psychology, 120, 73-81.

Thomas, R. K. (1994). A critique of Nakagawa"s (1993) "Relational rule learning in the rat." Psychobiology, 22, 347-348.

Thomas, R. K. (1994). Pavlov Was "Mugged." History of Psychology newsletter, 26, 86-91. [Please see Thomas (1997) below.]

Thomas, R. K. (1994). Pavlov used a bell. Commentary on Littman on Pavlov Bell. Psycoloquy 5.63.pavlov.bell.2.thomas. [Please see Thomas (1997) below.]

Thomas, R. K. (1994, December). Pavlov"s dogs "dripped saliva at the sound of a bell." Further commentary on Littman on Pavlov-Bell. Psycoloquy 5.80.pavlov-bell.4.thomas. [Please see Thomas (1997) below.]

Thomas, R. K. (1996). Investigating cognitive abilities in animals: Unrealized potential. Cognitive Brain Research, 3, 157- 166.

Thomas, R. K. (1997). Correcting some Pavloviana regarding "Pavlov's Bell" and Pavlov's "mugging." American Journal of Psychology, 110, 115-125.

Bailey, A.M., & Thomas, R.K. (1998). An investigation of oddity concept learning by rats. Psychological Record, 48, 333-344.

Thomas, R. K., Phillips, J.A., & Young, C.D. (1999). Comparative cognition: Human numerousness judgments. American Journal of Psychology, 112, 215-233.

Bailey, A. M., & Thomas, R. K. (2001). The Effects of Nucleus Basalis Magnocellularis (nBM) Lesions in Long-Evans Hooded Rats (Rattus norvegicus) on Two Learning Set Formation Tasks, Delayed Matching-to-Sample Learning, and Open Field Activity. Behavioral Neuroscience, 115, 328-340.

Leavens, D. A., Hopkins, W. D., & Thomas, R. K. (2004). Referential communication by chimpanzees (Pan troglodytes). Journal of Comparative Psychology, 118, 48-57.

Bailey, A.M., McDaniel, W.F, & Thomas, R.K. (2007) Approaches to the study of higher cognitive functions related to creativity in nonhuman animals. Methods, 42, 3-14.

Thomas, R. K. (2007) Recurring errors among recent history of psychology textbooks. American Journal of Psychology, 120, 477-495.

Thomas, R. K. (2009). Ludwig Reinhold Geissler and the founding of the Journal of Applied Psychology. American Journal of Psychology, 122, 395-403.

Thomas, R. K. (2011). The Southern Society for Philosophy and Psychology and Francis Cecil Sumner.  American Jourmal of Psychology, 124, 355-364.

Thomas, R. K. (2016).  Priority Disputes in the History of Psychology with Special Attention to the Franz-Kalischer Dispute About Who First Combined Animal Training with Brain Extirpation to Investigate Brain Functions.  The Psychological Record., 66, 191-199. 

Please click Separately to this ADDENDUM TO Thomas (2016) Re Franz-Kalischer Ptiority Dispute

Chapters in Scholarly Books

Thomas, R. K., & Walden, E. L. (1985). The assessment of cognitive development in human and nonhuman primates. E. S. Watts (Ed.), Nonhuman primate models for human growth and development. (pp. 187-215). New York: Alan R. Liss, Inc.

Thomas, R.K. (1986). Vertebrate intelligence: A review of laboratory studies. In R.J. Hoage & L. Goldman (Eds.). Animal intelligence: Insights into the animal mind. (pp. 37-56). Washington: Smithsonian Institution Press.

Thomas, R. K., & Lorden, R. B. (1989). What is psychological well-being? Can we know if primates have it? In E. F. Segal (Ed.), The psychological well-being of captive nonhuman primates, (pp. 12-26). Park Ridge, NJ: Noyes Publications. 

NOTE Re Chapter Above: References from the 26 chapters in the book above were intermingled in a single Reference section at the end of the book.  References from our manuscript are appended to our chapter above in uneven pages, because they began near the bottom of page 18 of the manuscript and each page was numbered.  To avoid possible confusion by showing that partial last page of text and by showing page numbers, the pages were trimmed accordingly.

Thomas, R. K. (1992). Primates' conceptual use of number: Ecological perspectives and psychological processes. In T, Nishida, W. C. McGrew, P. Marler, M. Pickford, & F. B. de Waal (Eds.).  Topics in Primatology, 1: Human Origins (pp. 305-314). Tokyo: Tokyko University Press.

Thomas, R. K., & Lorden, R. B. (1993). Animals Use of Number: A Conservative View. S. T. Boysen & and J. Capaldi (Eds.) The Development of Numerical Ability: Animal and Human Models (pp. 127-147). Hillsdale, NJ: Lawrence Erlbaum Associates, Inc.

Thomas, R. K. (1993). Squirrel Monkeys, Concepts, and Logic. In R. G. Burton (Ed.), Minds: Natural and Artificial, (pp. 101-119). State University of New York Press.

Thomas, R. K. (1998). Lloyd Morgan's Canon. In G. Greenberg & M. Haraway (Eds.), Comparative Psychology: A Handbook. (pp. 156-163), New York: Garlad Publishing Co.

Thomas, R. K. (Accepted for publication). Austin Southwick Edwards (1885-1976). In J. L. Pate (Ed.). Southern Society for Philosophy and Psychology Presidents and Presidential Addresses. Amsterdam: Rodopi Press.

Thomas, R. K. (Accepted for publication) Shepherd Ivory Franz (1874-1933). In J. L. Pate (Ed.). Southern Society for Philosophy and Psychology Presidents and Presidential Addresses. Amsterdam: Rodopi Press.

Thomas, R. K. (Accepted for publication). Ludwig Reinhold Geissler (1879-1932). In J. L. Pate (Ed.). Southern Society for Philosophy and Psychology Presidents and Presidential Addresses. Amsterdam: Rodopi Press.

Thomas, R. K. (Accepted for publication).  Roger K. Thomas (1939 -  ).  In J. L. Pate (Ed.). Southern Society for Philosophy and Psychology Presidents and Presidential Addresses. Amsterdam: Rodopi Press.

Thomas, R. K. (Accepted for publication). Lelon J, Peacock, III (1928-2013).  In J. L. Pate (Ed.). Southern Society for Philosophy and Psychology Presidents and Presidential Addresses. Amsterdam: Rodopi Press.

Other Archived, Published Scholarly Writings

Thomas, R. K., Jr., King, F. A. and Roberts, L. (1969). Avoidance conditioning in normal and prefrontal lesioned squirrel monkeys. International Neurosciences Abstracts, 1, 6.

Thomas, R. K., Jr. (1969). Prefrontal lesions and classical conditioning in squirrel monkeys. International Neuroscience Abstracts, 1, 55.

Thomas, R. K. (1982). Review of Beyond sociobiology by J. D. & J. I. Baldwin. Ethology and Sociobiology, 3, 45-46.

NOTE: Re Above Book Review: My views of animals ability to use conditional reasoning evolved after 1982.  Please scroll below to Thomas (2012) "Conditional reasoning by nonhuman animals."

Thomas, R.K. (1983). Statistics. Lab Animal, 12, 64.

Thomas, R. K. (1986). Conceptual behavior in nonhuman animals: What evidence is necessary? Primate Report, 14, 93.

Thomas, R. K. (1987). Overcoming contextual variables, negative results, and Macphails null hypothesis. Behavioral and Brain Sciences, 10, 681.

Thomas, R.K. (1988). Are radical and cognitive behaviorism incompatible?  In A.C. Catania & S. Harnad (Eds.). The oprrant behaviorism of B. F. Skinner. Comemnts and consequuences (pp. 367-369). New York, NY: Cambridge University Press.

Thomas, R.K. (1989). Review of Intelligence and evolutionary biology. H.J. Jerison & I. Jerison (Eds.)  Contemporary Psychology,34, 1088- 1089.

Thomas, R. K. (1993). Introduction: A Biopsychology Festschrift in Honor of Lelon J. Peacock, Journal of General Psychology, 120, 5.

Thomas, R. K. (1994).  Pavlov Was "Mugged." History of Psychology Newsletter, 26, 86-91.

Boeglin, J. A., & Thomas, R. K. (1996). Where does the term neuropsychology come from? International Journal of Psychology, 31, 162.

NOTE RE Boeglin & Thomas Above: This is a published abstract of a presentation at the 1996 meeting of the International Congress of Psychology in Montreal, CA.  For the full presentation go to "Presentations" link on this website and scroll to Boeglin & Thomas, 1996.]

Thomas, R. K. (1999). Shepherd Ivory Franz (1874-1933). In J. A. Garraty (Editor-in-Chief), American National Biography. New York: Oxford University Press.

Thomas, R. K. (1999). Francis Cecil Sumner (1895-1954). In J. A. Garraty (Editor-in-Chief), American National Biography. New York: Oxford University Press.

Thomas, R K (2000). Vladimir Mikhailovich Bekhterev (1857-1927). In A. E. Kasdin (Editor in Chief). Encyclopedia of Psychology (Vol.1, pp. 398-399) Washington DC: APA Encyclopedia of Psychology.

Thomas, R. K (2000). Shepherd I. Franz (1874-1933). In A. E. Kasdin (Editor in Chief). Encyclopedia of Psychology of Psychology (Vol. 3, pp.396-398). Washington, DC: APA Encyclopedia.

Thomas, R.K. (2000). Heinrich Kluver (1897-1979 ). In A. E. Kasdin (Editor in Chief). Encyclopedia of Psychology, (Vol. 4, pp. 449) Washington: American Psychological Association.

Thomas, R.K. (2000). Clifford T. Morgan (1915-1976). In A. E. Kasdin (Editor in Chief). Encyclopedia of Psychology, (Vol. 5, pp. 306-307) Washington: American Psychological Association.

Thomas, R.K. (2000). George John Romanes (1848-1894). In A. E. Kasdin (Editor in Chief). Encyclopedia of Psychology (Vol. 7, pp.113-115). Washington DC: Encyclopedia of Psychology.

Thomas, R. K. (2000). Letter to the Editor: What's Fair? APS Observer, 13, 4.

Thomas, R. K. (2001). Florene Mary Young (1901-1994). The Feminist Psychologist, 28, 27, 32.

Thomas, R. K. (2001). Hazards of "Emergentism" Originally publishd in History & Theory of Psychology Eprint Archive: York University, Canada.

Thomas, R. K. (2003). Crawford W. Long's Discovery of Anesthetic Ether: Mesmerism, Delayed Publication, and the Historical Record. Originally published in History & Theory of Psychology Eprint Archive: York University, Canada. 

Thomas, R. K. (2005). Gosset, William Sealy.  In Encyclopedia of Statistics in Behavioral Science.  West Sussex, UK: John Wiley & Sons, Ltd.

Thomas, R. K. (2005). Galton, Francis. In Encyclopedia of Statistics in Behavioral Sciences. West Sussex, UK: John Wiley & Sons, Ltd.

Thomas, R. K. (2006). Celestia Susannah Parrish (1853-1918): Pioneering Psychologist, Native Virginian, and "Georgia's Greatest Woman." The Feminist Psychologist, 33, pp. 16 & 2

Thomas, R. K. (2009). Review of Harry Whitaker, C.U.M. Smith, and Stanley Finger (Eds.). Brain, Mind and Medicine: Essays in Eighteenth-Century Neuroscience. New York: Springer, 207. 376 pp. $59.95 (hardcover). ISBN-13 978-0-70-966-6. Journal of the History of the Behavioral Sciences, 45, 176-179.

(Manuscript Version) Thomas, R. K. (2012). Conditional reasoning by nonhuman animals. In Norbert Seel (Ed.). Encyclopedia of the Sciences of Learning: Part 3 (pp. 742-745). New York, NY: Springer-Verlag.

(Manuscript Version) Thomas, R. K. (2012). Learning set formation and conceptualization. In Norbert Seel (Ed.). Encyclopedia of the Sciences of Learning: Part 12 (pp. 1966-1968). New York, NY: Springer-Verlag.

Thomas, R. K. (2012). Bekhterev, V. M. In Robert W. Rieber (Ed.). Encyclopedia of the History of Psychological Theories (Vol 1, pp. 110-112). New York: Springer-Verlag.

Thomas, R. K. (2012). Broca, Pierre Paul. In Robert W. Rieber (Ed.). Encyclopedia of the History of Psychological Theories (Vol 1, pp. 137-138). New York: Springer-Verlag.

Thomas, R. K. (2012). Flourens, Pierre. In Robert W. Rieber (Ed.). Encyclopedia of the History of Psychological Theories (Vol. 1, pp. 442-443). New York: Springer-Verlag.

Thomas, R. K. (2012). Galton, F. In Robert W. Rieber (Ed.). Encyclopedia of the History of Psychological Theories (Vol. 1, pp. 462-464). New York: Springer-Verlag.

Thomas, R. K. (2012). Geissler, L. R. In Robert W. Rieber (Ed.). Encyclopedia of the History of Psychological Theories (Vol 1, pp.: 465-466). New York: Springer-Verlag.

Thomas, R. K. (2012). Harlow, Harry. In Robert W. Rieber (Ed.). Encyclopedia of the History of Psychological Theories (Vol. 1, pp. 504-506). New York: Springer-Verlag.

Thomas, R. K. (2012). Klüver, H. In Robert W. Rieber (Ed.). Encyclopedia of the History of Psychological Theories (Vol 1, pp. 606-607). New York: Springer-Verlag.

Thomas, R. K. (2012). Mesmer, Franz Anton. In Robert W. Rieber (Ed.). Encyclopedia of the History of Psychological Theories (Vol. 2, pp. 672-673). New York: Springer-Verlag.

Thomas, R. K. (2012). Parrish, C. S. In Robert W. Rieber (Ed.). Encyclopedia of the History of Psychological Theories (Vol. 2, pp. 765-767). New York: Springer-Verlag.

Thomas, R. K. (2012). Romanes, G. J. In Robert W. Rieber (Ed.). Encyclopedia of the History of Psychological Theories (Vol. 2, pp. 957-959). New York: Springer-Verlag.  

Thomas, R. K. (2012). Sumner, Francis Cecil.  In Robert W. Reiber (Ed.). Encyclopdia of the History of Psychological Theories (Vol.2, pp.  1049-1050).  New Yorl: Springer-Verlag.

Thomas, R. K. (2012). Von Helmholtz, Hermann. In Robert W. Rieber (Ed.). Encyclopedia of the History of Psychological Theories (V ol. 2, pp.  1170-1172). New York: Springer-Verlag.

Thomas, R. K. (2012). University of Georgia, History of Psychology at the. In Robert W. Rieber (Ed.). Encyclopedia of the History of Psychological Theories (Vol. 2, pp. 1148-1152). New York: Springer-Verlag.  [A more extensive history of the Universityy of Georgia Department of Psychology, which began as this encyclopedia article, may be found at: http://www.psychology.uga.edu/about/brief-history-department ] 

Thomas, R. K. (2016) Intelligence, Evolution of.  In H. L. Miller (Ed.). Encyclopedia of Theory in Psychology (pp. 454-456). Thousand Oaks, CA: SAGE Publications.  Manuscript Version: Sage holds the Copyright.

Thomas, R.K. (2016). Brain and  intelligence.  In H. L. Miller (Ed.).  Encyclopedia of Theory in Psychology (pp. 107-110). Thousand Oaks, CA: Sage Publications.  Manuscript version: ©Sage holds the Copyright.

Thomas, R. K. (2018). Is psychological science committing "suicide" by linguistic muddling. Commentary on Peňa-Guzmán’s article, “Can nonhuman animals commit suicide?”  This invited commentary is downloadable directly here as a PDF.  For access to Peňa-Guzmán’s article and all commentaries, go to http://animalstudiesrepository.org/animsent/vol2/iss20/

Of note:

I no longer teach, but before I ceased teaching altogether (2010) I taught:

  • Introductory Psychology (Undergraduate)
  • Experimental Psychology (U)
  • History of Psychology (U, G)
  • Biological Foundations of Behavior (U, G)
  • Neuroanatomy for Behavioral Scientists (G)
  • Comparative Psychology (U)
  • Seminar: Physiological Bases of Behavior (G)
  • Seminar: Neural Correlates of Learning (G)
  • Seminar: Evolution of the Brain and Intelligence (U, G)
  • Seminar: Cognitive Processes in Animals (G)
  • Seminar: Evolution of Consciousness (U)
  • Seminar: Comparative Neuroanatomy for Behavioral Scientists (G)

M.S. Degree Students Supervised

  1. Ed M. Barge, Jr., 1968
  2. Charles S. Noble, 1969
  3. John W. Davis, 1969
  4. Joseph W. Evans, 1969
  5. G. Rufus Sessions, 1969
  6. Mary G. Boyd, 1971
  7. A. Stephen Hill, 1971
  8. Judson C. Mitcham, 1971
  9. A. Bartow Ray, Jr., 1971
  10. Michael John Prewett, 1973
  11. Vender Shara Knowles, 1974
  12. Thomas Neill Crosby, 1977
  13. Stephen John Huse, 1977
  14. Elsie Lois Smith, 1978
  15. Gordon Thomas Frost, 1979
  16. Gregory Steven Miller, 1980
  17. Linda M. Noble, 198
  18. Leonard E. Burdyn, Jr., 1983
  19. Debra Faye Terrell, 1983
  20. Marcy Hafer Ramsay, 1984
  21. Jack A. Palmer, 1987
  22. David M. Compton, 1989
  23. Julia A. Phillips, 1990
  24. Cheryl Young, 1990
  25. Michael Shain, 1995
  26. Aileen Bailey, 1996
  27. Douglas Baker, 1999

PhD Students Supervised

  1. John W. Davis, 1972
  2. John E. Mendoza, 1973
  3. Judson C. Mitcham, 1975
  4. Mary Gilbert Boyd, 1975
  5. William F. McDaniel, 1977
  6. William D. Gammon, 1978
  7. Thomas N. Crosby, 1982
  8. Elizabeth L. Walden, 1984
  9. G. Thomas Frost, 1984
  10. John F. Lindsay, Jr., 1985
  11. Linda M. Noble, 1985
  12. Debra F. Terrell, 1988
  13. Jack A. Palmer, 1990
  14. Kelley M. Barham, 1990
  15. Soon-Juan Chee, 1990
  16. David M. Compton, 1991
  17. Julia A. Phillips, 1992
  18. Cheryl D. Young, 1994
  19. Aileen M. Bailey, 1999
  20. Mark S. Schmidt, 1999
  21. David A. Leavens, 2001 

REGIONAL, NATIONAL & INTERNATIONAL PRESENTATIONS

Presentations are in chronological order.  Underlined Presentations may be downloaded as PDFs  

(Total = 120)

Thomas, R. K., Jr., & Osborne, R. T. (1964). Intelligence and socio-economic status: A longitudinal study with W.I.S.C. Southern Society for Philosophy and Psychology, Lexington, KY.

Rollins, J. B., Thomas, R. K., Jr., & Remley, N. R. (1965). An investigation of drive summation in a water runway. Southern Society for Philosophy and Psychology, Atlanta, GA.

Thomas, R. K., Jr. (1966). Immediate and subsequent effects of brain damage in rats. Southern Society for Philosophy and Psychology, New Orleans, LA.

Thomas, R. K., Jr., King, F. A., & Roberts, L. (1968). Classical conditioning in normal and prefrontal lesioned squirrel monkeys. Southern Society for Philosophy and Psychology. Roanoke, VA.

Thomas, R. K., Jr. (1968). Problems and procedures in correlating electrical brain activity with cognition. Southern Society for Philosophy and Psychology, Roanoke, VA.

Davis, J. W., & Thomas, R. K., Jr. (1969). Interactions of scopolamine and phvsostigmine with ECS and one-trial learning Southeastern Psychological Association. Roanoke, VA.

Thomas, R. K., Jr. (1969). Problems and techniques in relating the EEG to psychometric measures of intelligence. Gatlinburg Conference on Mental Retardation, Gatlinburg, TN.

Thomas, R. K., Jr., & Noble, C. S. (1969). Oddity problem learning in the squirrel monkey. Southern Society for Philosophy and Psychology, Miami, FL.

Barge, E. M., Jr., & Thomas, R. K., Jr. (1969). Conditional discrimination learning in the squirrel monkey. Psychonomic Society, St. Louis, MO.

Thomas, R. K., Jr. (1969). Caudate nucleus lesions and avoidance conditioning in the squirrel monkey. Psychonomic Society, St. Louis, Mo.

Combs, A. L., Ray, A. B., & Thomas, R. K., Jr. (1970). An investigation of leg flexion avoidance conditioning in caudate lesioned rats. Southern Society for Philosophy and Psychology, Durham, NC.

Session, G. R., & Thomas, R. K., Jr. (1970). Dorsomedial thalamic lesions and avoidance conditioning in squirrel monkeys. Southern Society for Philosophy & Psychology, Durham, NC.

Thomas, R. K., Jr. (1970, April). The frontal lobe system and conditioning in the squirrel monkey. Southern Anthropological Society, Athens, GA.

Thomas, R. K., Jr. (1971). Visual evoked response analysis: Some cautionary remarks . Southern Society for Philosophy and Psychology, Athens, GA.

Mitcham, J. C., & Thomas, R. K., Jr. (1971). Comparisons of substantia nigra and caudate nucleus lesions on three learning measures in rats. Society for Neuroscience, Washington, DC.

Boyd, M. G., & Thomas, R. K., Jr. (1972). A comparative investigation of oddity learning set in two species of New World monkeys. Southern Society for Philosophy and Psychology, St. Louis, MO.

Davis, J. W., & Thomas, R. K., Jr. (1972). Acquisition of one-way avoidance in rats as correlated with alterations of brain acetylcholine activity. American Psychological Association.

Becker, R. C., & Thomas, R. K. (1973). An investigation of the effects of ventral anterior and ventromedial thalmic and substantia nigra lesions on avoidance learning in the rat. Southern Society for Philosophy and Psychology, Knoxville, TN.

Thomas, R. K., & Ray, A. B. (1973). Comparisons of neocortical, thalamic and caudate nucleus lesions on leg flexion avoidance learning in the monkey. Southern Society for Philosophy and Psychology, Knoxville, TN.

Knowles, V. S., & Thomas, R. K. (1973). A comparison of the effects of parietal and medial-frontal lesions in Lashley's Maze III and a spatial reversal task. Southern Society for Philosophy and Psychology, Knoxville, TN.

Prewett, M. J., & Thomas, R. K. (1973). Interactions of ECS and circadian rhythms on one-way avoidance learning in rats. Southeastern Psychological Association. New Orleans, LA.

Mendoza, J. E., & Thomas, R. K. (1973). An investigation of the effects of posterior parietal and frontal neocortical lesions in the squirrel monkey. American Psychological Association.

Czerny, P., & Thomas, R. K. (1974). A preliminary investigation of conservation in the squirrel monkey. Southern Society for Philosophy and Psychology, Tampa, FL.

Thomas, R. K. (1974). The definition of posterior association cortex in the rat. Southern Society for Philosophy and Psychology, Tampa, FL.

Thomas, R. K., & Kerr, R. S. (1975). Conditional discrimination in the squirrel monkey: An improved method. Southern Society for Philosophy and Psychology, Atlanta, GA.

Thomas, R. K., & Peay, L. (1975). Length judgments by the squirrel monkey: Evidence for conservation? Southern Society for Philosophy and Psychology, Atlanta, GA.

Thomas, R. K., & Crosby, T. N. (1976). Concrete and abstract class concepts in squirrel monkeys. Psychonomic Society, St. Louis, MO.

McDaniel, W. F., McDaniel, S. E., & Thomas, R. K. (1977). Neuroanatomical projections to the temporal cortex of the rat: Nissl and horseradish peroxidase methods. Southern Society for Philosophy and Psychology, Nashville, TN.

Thomas, R. K. (1977). A theory of conceptual behavior for human and nonhuman animals. Southern Society for Philosophy and Psychology, Nashville, TN.

Thomas, R. K., & Ingram, D. K. (1977). Ordinal volume judgments by squirrel monkeys. Psychonomic Society, Washington, DC.

Thomas, R. K., & Fowlkes, D. (1978). Conceptual number judgments by squirrel monkeys. Psychonomic Society, San Antonio, TX.

Gammon, W. D., & Thomas, R. K. (1978). Interactive effects of ACh-affecting treatments and learning. Psychonomic Society, San Antonio, TX.

Thomas, R. K. (1979). Evolution of intelligence: An approach to its assessment. Southern Society for Philosophy and Psychology, Norfolk, VA.

Thomas, R. K., & Chase, L. (1980). Relative numerousness judgments by squirrel monkeys. Southern Society for Philosophy and Psychology, Luoisville, KY.

Thomas, R. K., & Chase, L. (1980). Oddity and dimension-abstracted oddity (DAO) in the squirrel monkey. American Society of Primatologists, Greensboro, NC.

Thomas, R. K. (1980). The assessment of primate intelligence. Invited participation in symposium on "Comparative Psychology," VIII International Congress of Primatology. Corigliano and Firenze, Italy.

Thomas, R. K., & Frost, T. (1981). Oddity and dimension-abstracted oddity in squirrel monkeys. Psychonomic Society, Philadelphia, PA. [Note: This was a different study from the one of similar title in 1980.]

Thomas, R. K. (1982). Animals' conceptual use of logical operations. Invited participation at "Conference on Language, Reasoning and Inference," University of Edinburgh, Scotland.

Thomas, R, K. (1982). Using the Piagetian approach with animals: A critical analysis. Invited participation in symposium on "Comparative neurobehavioral ontogeny: Implications of the Piagetian approach for the evolution of intelligence, language, tool-use and the brain" in conjunction with IX International Congress of Primatology, Atlanta, GA.

Noble, L. M., & Thomas, R. K. (1983). An investigation of oddity learning in the rat. Southern Society for Philosophy and Psychology, Atlanta, GA.

Terrell, D., & Thomas, R. K. (1983). Conceptual discrimination of polygons by squirrel monkeys. Southern Society for Philosophy and Psychology, Atlanta, GA.

Burdyn, L. E., & Thomas, R. K. (1983). Conditional discrimination with conceptual simultaneous and successive cues. Southern Society for Philosophy and Psychology, Atlanta, GA.

Thomas, R. K. (1983). Vertebrate intelligence: A review of laboratory studies. Invited presentation at the Animal Intelligence Symposium sponsored by the National Zoological Park and Smithsonian Institution, Washington, D.C.

Burdyn, L. E., & Thomas, R. K. (1984). Long-term memory for conceptual conditional discrimination. Southern Society for Philosophy and Psychology, Columbia, SC.

Shreves, L., & Thomas, R. K. (1984). Long-term memory for conceptual oddity and dimension-abstracted oddity (DAO) in squirrel monkeys. Southern Society for Philosophy and Psychology, Columbia, SC.

Noble, L. M., & Thomas, R. K. (1984). Oddity and dimension-abstracted oddity (DAO) in humans. Southern Society for Philosophy and Psychology, Columbia, SC.

Walden, E. L., & Thomas, R. K. (1984). An investigation of seriation in squirrel monkeys. Southern Society for Philosophy and Psychology, Columbia, SC.

Thomas, R. K. (1984). The use of number by animals. Invited contribution to the Conference on the Perceptual and Learning Abilities of Primates sponsored by the Primate Society of Great Britain and held at the University of Manchester.

Thomas, R. K. (1986). The squirrel monkey's place in the cognitive world of primates. Invited presentation in the symposium, Continuities and Discontinuities in Cognitive Performance Within the Primates, Zentrum fur interdisziplinare Forschung, University of Bielefeld, Germany. Professor George Ettlinger, Organizer.

Thomas, R. K. (1986). Conceptual behavior in nonhuman animals: What evidence is necessary? Invited presentation in the symposium, Current Topics on Cognitive Behaviour of Monkeys, XI Congress of the International Primatological Society, Gottingen, Germany. A. M. Schrier and G. Ettlinger, Organizers.

Thomas, R. K. (1986). Comparative conceptual behavior in humans and squirrel monkeys. Invited presentation for the Cognitive Studies Group of the Institute for Behavioral Research, University of Georgia.

Thomas, R. K. (1987). Squirrel monkeys, concepts, and logic. Invited presentation for the Interdisciplinary Conference on Minds: Natural and Artificial, University of Georgia. (Although local, this included such nationally prominent participants as Ulric Neisser and Paul Churchland and was published by the SUNY Press; see among Chapters in publications list.)

Thomas, R. K. (1988). Methodological missteps make percepts of concepts. Invited presentation in symposium on Numerical Processes in Animals and Children, Southern Society for Philosophy and Psychology, Miami, FL.

Thomas, R. K. (1988). Comparing monkeys and humans on conceptual oddity and sameness-difference tasks. Invited presentation in symposium on Primate Perspectives on Human Cognition, American Psychological Association, Atlanta, GA.

Thomas, R. K. (1988). Learning set: Retrospective and prospective. Invited presentation in symposium on Primate Learning and Cognition: A Symposium in Memory of Allan M. Schrier, American Society of Primatologists, New Orleans, LA.

Palmer, J. A. & Thomas, R. K. (1988). Natural concepts in the squirrel monkey. American Society of Primatologists, New Orleans, LA.

Thomas, R.K. (1988). Conceptual behavior in animals. Invited seminar. Columbia University, New York City.

Thomas, R.K. (1988). Faculty evaluation in a University Department of Psychology. Invited Presentation, Annual Meeting, Southeastern Heads of Departments of Psychology, Atlanta, GA.

Thomas, R. K. (1989). Conceptual behavior and learning set formation. Southern Society for Philosophy and Psychology, New Orleans, LA.

Thomas, R. K. (1989). Anecdotes cannot be used as evidence. Invited presentation in symposium, Anthropomorphism and Anecdotalism, Animal Behavior Society, Highland Heights, KY.

Steirn, J. N. & Thomas, R. K. (1989). Human performances on conceptual oddity and sameness-difference tasks. Psychonomic Society, Atlanta, GA.

Thomas, R. K. (1990). The likely processes animals use to make number judgments. Southern Society for Philosophy and Psychology, Louisville, KY.

Thomas, R. K. (1990). The assessment of animal intelligence. Invited colloquium, Institute of Psychology, Jagiellonian University, Krakov, Poland.

Thomas, R. K. (1990). Animals' use of number: A prototype matching interpretation. Invited presentation, Psychology and Cognitive Science Research Group. University of Edinburgh, Edinburgh, Scotland.

Thomas, R. K. (1990). Primates' conceptual use of number: Ecological perspectives and psychological processes. Invited symposium presentation, XIII Congress of the International Primatological Society. Kyoto, Japan.

Thomas, R. K. (1990). Monkeys, Humans, Concepts, and Logic. Invited colloquium, Behavioral Sciences Branch, Walter Reed Army Institute of Research, Washington, D.C.

Thomas, R. K., Phillips, J. A., & Young, C. D. (1990). Numerousness judgments by Homo sapiens in a species-comparative context. Psychonomic Society, New Orleans, LA.

Thomas, R. K. (1991). Numerical competence in animals: A conservative view. Invited presentation for the Spring 1991 Symposium Series on Animal Cognition: "Can Animals Count?" Sponsored by The City University of New York's Ph.D. Programs in Biopsychology and Biology, Hunter College, The City College, and The Graduate School.

Thomas, R. K. (1991). Misuse of conditional reasoning in animal research with special reference to evolution of language. Southern Society for Philosophy & Psychology, Atlanta,GA.

Phillips, J. A., Thomas, R. K., & Young, C. D. (1991). Purported sex differences in mathematical abilities do not extend to visual number judgments. Southern Society for Philosophy and Psychology, Atlanta, GA.

Thomas, R. K. (1991). Comparative cognition: Monkeys and humans. Invited. European Association for the Study of Animal Behavior, Easter Conference. Manchester, England.

Thomas, R. K. (1991). Monkeys, Humans, Intelligence, and Concepts. Invited symposium presentation for the meeting of the American Psychological Society, Washington, D.C.

Thomas, R. K. & Young, C. D. (1992). A Note on the History of Electrical Stimulation of the Human Brain. Southern Society for Philosophy and Psychology. Memphis, TN.

Thomas, R. K. (1992). Noncounting numerical processes used by monkeys and humans. Invited presentation in symposium titled Comparative Analysis of Primate Cognition, 25th International Congress of Psychology, Brussels, Belgium.

Thomas, R. K. & Young, C. D. (1993). Shepherd Ivory Franz: SSPP's 5th President. Southern Society for Philosophy and Psychology, New Orleans, LA.

Young, C.D., & Thomas, R.K. (1993). A critical examination of whether prefrontal cortex dopamine activation (PFC DA) induces "coping" or "anxiety." SSPP, New Orleans, LA.

Thomas, R. K. (1993). Potpourri: History of Psychology. Regents Academic Advisory Committee for Psychology, Savannah, GA.

Thomas, R. K. (1994, April). A Retrospective and Prospective Critique of Animal Cognition. Paper presented at the meeting of the Southern Society for Philosophy and Psychology, Atlanta.

Thomas, R. K. & Young, C. D. (1994, April). Shepherd Ivory Franz (1874-1933): Contributions to Abnormal and Clinical Psychology. Paper presented at the meeting of the Southern Society for Philosophy and Psychology, Atlanta, GA.

Thomas, R. K. (1994, June). Shepherd Ivory Franz (1874-1933), His St. Elizabeths' Years (1907-1924), and the Course in Neuropsychiatry. Paper presented at the The Jean Pierre Flourens (1794-1994) Bicentennial History Conference held in conjunction with the 1994 meeting of the Cheiron Society, Montreal, Canada.

Thomas, R. K. (1994, September). An Approach to Cognitive Assessment Applicable to All Vertebrates. Invited presentation for the symposium "Models in Cognitive Behavioural Pharmacology" at the meeting of the European Behavioural Pharmacology Society, Berlin, GERMANY.

Thomas, R. K. (1995, June). Pavlov Was "Mugged". 1995 meeting of the Cheiron Society, Brunswick, ME. [NOTE: Cheiron is the international society devoted to the study of the history of the behavioral sciences and social sciences, and its meetings are held in the USA and other countries.]

Thomas, R. K. (1995, March). A History of the Psychology Department at the University of Georgia. 1995 meeting of the Southeastern Psychological Association, Savannah, GA.

Thomas, R. K. (1995, April). Invited Commentary on Karl Pribram's Presentation, "Brain and the Variety of Conscious Experience. 1995 meeting of the Southern Society for Philosophy and Psychology, Virginia Beach, VA.

Young, C. D. and Thomas, R. K. (1995, April). Shepherd Ivory Franz, Psychologist, and William Alanson White, Psychiatrist: Accord and Discord. 1995 meeting of the Southern Society for Philosophy and Psychology, Virginia Beach, VA.

Thomas, R. K. (1995, April). Pavlov's Bell. 1995 meeting of the Southern Society for Philosophy and Psychology, Virginia Beach, VA.

Bailey, A.M. and Thomas, R. K. (1996, August). An investigation of oddity concept learning in rats. 1996 meeting of the International Society of Comparative Psychology, Montreal, CA

Thomas, R. K., Philips, J.A., and Young, C. D. (1996, August). Comparative cognition: Human numerousness judgments. 1996 meeting of the International Society of Comparative Psychology, Montreal CA.

Thomas, R.K. (1996, August). Lloyd Morgan's canon and the law of parsimony. 1996 meeting of the International Society of Comparative Psychology, Montreal, CA.

Boeglin, J. And Thomas, R. K. (1996, August). Where does the term "neuropsychology" come from? Meeting of the XXVI International Congress of Psychology, Montreal, CA.

Thomas, R. K. (1997, January). Animal consciousness and animal rights. Invited presentation for Honors Winter Colloquium at Georgia State University, Atlanta, GA.

Thomas, R.K. (1997, March). Celestia Susannah Parrish. Invited presentation for "Key Barkley Symposium on the History of Psychology." Meeting of the Southern Society for Philosophy and Psychology, Atlanta, GA.

Thomas, R.K. (1997, March). The resurrection and redemption of George John Romanes' anthropomorphism and anecdotalism. Invited presentation in the symposium "History of Comparative Psychology." Meeting of the Southern Society for Philosophy and Psychology, Atlanta, GA.

Thomas, R.K. (1997, June). Two contrasting views regarding the discovery of the speech center and recognition of its importance for the theory of localization of brain function. Meeting of Cheiron: The International Society for the History of the Behavioral and Social Sciences, Richmond, VA.  FOR AN UPDATED SUMMARY OF THIS PRESENTATION, PLEASE SEE Thomas (2007) in PUBLICATIONS: ARTICLES IN SCHOLARLY JOURNALS" ON THIS WEBSITE.

Thomas, R.K. (1998, March). Animal research in cognitive neuroscience: A road poorly traveled. Invited presentation in the symposium "Cognitive Paradigms in Basic Neuroscience: The Interface of Human and Animal Models." Meeting of the Southeastern Psychological Association, Mobile, AL.   FOR AN  ARTICLE RELATED TO THIS PRESENTATION, PLEASE SEE "Thomas (1996)" UNDER "PUBLICATIONS: ARTICLES IN SCHOLARLY JOURNALS" ON THIS WEBSITE.

Thomas, R.K. (1998, March). Pavlovian conditioning, comparative learning, and William T. James. Invited presentation in the symposium "History of Psychology: The Study of Conditioning in the Southeastern United States." Meeting of the Southeastern Psychological Association, Mobile, AL.

Thomas, R.K. (1998, April). Austin Southwick Edwards (1885-1976). Invited presentation in the Key Barkley Symposia on the History of Psychology in the South which in 1998 will have presentations on former presidents of SSPP. Meeting of the Southern Society for Philosophy and Psychology, New Orleans, LA.  FOR A BIOGRAPHICAL CHAPTER RELATED TO THIS PRESENTATION, PLEASE SEE "Thomas (Accepted for Publication)" UNDER "PUBLICATIONS: CHAPTERS IN SCHOLARLY BOOKS" ON THIS WEBSITE.

Thomas, R. K. (1998, April). Francis Cecil Sumner: First Black American Psychologist and Member of the Southern Society for Philosophy and Psychology. Meeting the Southern Society for Philosophy and Psychology, New Orleans, LA.  FOR AN ARTICLE RELATED TO THIS PRESENTATION, "Thomas (2011)" UNDER "PUBLICATIONS: ARTICLES IN SCHOLARLY JOURNALS" ON THIS WEBSITE.

Baker, D. A., & Thomas, R. K. (1998, April). Human numerousness judgments in a comparative context: An extended replication. Meeting of the Southern Society for Philosophy and Psychology, New Orleans, LA

Thomas, R. K. (1999, April). Hazards of "Emergentism" in Psychology. Contribution to symposium, Controversial Issues in Psychology: The Role of Emergent Processes, held in conjunction with the meeting of the Southern Society for Philosophy and Psychology, Louisville, KY. FOR AN ARTICLE RELATED TO THIS PRESENTATION, PLEASE SEE "Thomas (2001) UNDER "OTHER ARCHIVED, PUBLISHED SCHOLARLY WRITINGS" ON THIS WEBSITE.

Thomas R. K. (1999, April). Shepherd Ivory Franz and "Plagiarism" of Franz's Research by Kalischer. Invited presentation in symposium, History of Psychology in the South, held in conjunction with the meeting of the Southern Society for Philosophy and Psychology, Louisville, KY.

Thomas, R. K., (1999, August). Text Presentation of "Learning to learn:" Gregory Bateson, Harry Harlow, Robert Yerkes, and Others. Invited presentation in symposium, Animal Cognition in Historical Perspective, held in conjunction with the meeting of the American Psychological Association, Boston, MA.

Thomas, R. K., (1999, August). Power Point-Like Presentation of "Learning to learn:" Gregory Bateson, Harry Harlow, Robert Yerkes, and Others. Invited presentation in symposium, Animal Cognition in Historical Perspective, held in conjunction with the meeting of the American Psychological Association, Boston, MA.

Thomas, R. K. (2000, April). Assessing Animal Intelligence. Presidential address. Meeting of the Southern Society for Philosophy and Psychology, Atlanta, GA.

Thomas, R. K. (2001, April). Assessing Comparable Cognitive Processing Abilities in Rats, Monkeys, and Humans. Meeting of District IV, American Association of Laboratory Animal Science, Athens, GA.

Thomas, R. K., & Cynkus, J. (2001, April). George John Romanes (1848-1894: More About How Romanes' Reputation Was Diminished. Meeting of the Southern Society for Philosophy and Psychology, New Orleans, LA.

Thomas, R. K. (2002, March). Lloyd Morgan Canon: A History of Misrepresentation. Meeting of the Southern Society for Philosophy and Psychology, Nashville, TN.

Schmidt, M. S., & Thomas, R. K. (2002, March). Human Numerousness Judgments: Control for Density and Area/Brightness Cues. Meeting of the Southern Society for Philosophy and Psychology, Nashville, TN.

Thomas, R. K. (2003, April),  Crawford W. Long's Discovery of Anesthetic Ether: Mesmerism, Delayed Publication, and the Historical Record.  Invited presentation at the meeting of the Southern Society fort Philosophy and Psychology, Atlanta, GA.

Thomas, R. K. (2004, April). Copycat Errors in Recent History of Psychology Textbooks. Invited presentation in the Key Barkley Symposium on the History of Psychology, Southern Society for Philosophy and Psychology, New Orleans, LA, USA

Thomas, R. K. (2005). Celestia Susannah Parrish (1853-1918): Pioneering Psychologist, Native Virginian, and "Georgia's Greatest Woman." Invited presentation, Randolph-Macon Woman's College, Lynchburg, VA, March 16, 2005.

Thomas, R. K. (2006, March). Copycat Errors in Recent History of Psychology Textbooks II. Invited presentation in the Key Barkley Symposium on the History of Psychology, Southern Society for Philosophy and Psychology, Charleston, SC, USA.

Thomas, R. K. (2007, April). Heretofore Unpublished Details of Karl S. Lashley's Method of Reconstruction of Brain Lesions on a Brain Diagram. Invited presentation in the Key Barkley Symposium on History of Psychology, Southern Society for Philosophy and Psychology, Atlanta, GA, USA.

Thomas, R. K. (2009, April), Ludwig Reinhold Geissler (1879-1932): SSPP President (1929) and Principal Founder of the Journal of Applied Psychology. Invited presentation in the Key Barkley Symposium on History of Psychology, Southern Society for Philosophy and Psychology, Savannah, GA, USA.

Thomas, R. K. (2010, April).  Conflict between E. B. Titchener and L. R. Geissler: Applied Psychology vs. Structuralism.  Invited presentation in the Key Barkley Symposium on History of Psychology. Southern Society for Philosophy and Psychology, Atlanta, GA, USA.

Thomas, R. K. (2011, October). Shepherd I. Franz (1874-1933) and Karl S, Lashley (1890-1958): An Example of Unfair Historical Recognition? Invited presentation at the Center for the History of Psychology, University of Akron, Akron, OH.

Thomas, R. K. (2012, March). Karl Spencer Lashley's Method of Lesion Reconstruction: Redux. Invited presentation in Key L. Barkley Symposium on History of Psychology, Southern Society for Philosophy and Psychology, Savannah, GA, USA.

Thomas, R. K. (2014, February). Celestia S. Parrish: A "Spooky Tale" or a Curious Coincidence Invited presentation in Key L. Barkley Symposium on History of Psychology, Southern Society for Philosophy and Psychology, Charleston, SC, USA. 

Thomas, R. K. (2014, February).  Introduction to "Biopsychology of Lelon J. Peacock.  Invited presentation in Key L. Barkley Symposium History of Psychology Southern Society for Philosophy and Psychology, Charleston, SC, USA.

Thomas, R.K. (2015, March).  Lelon J. Peacock(1928-2013). Invited presentation in Symposium: Eminent Psychologists of the Southeast.  Southeastern Psychological Association.  Hilton Head Island, SC, USA.

Thomas, R.K. (2016, March).  Lessons Learned from Priority Disputes in History of Psychology (e.g., Pavlov v. Twitmyer) and in Related Disciplines (e.g., History of Medicine).  Invited Presentation in Key L. Barkley Symposium History of Psychology. Southern Society for Philosophy and Psychology, Louisville, KY, USA.