Behavioral and Brain Sciences Program
Neuroscience Program, Department of Neuroscience, BioImaging Research Center
407 Psychology Building
(706) 542-2174

Franklin Foundation Neuroimaging Program

UGA Bio-Imaging Research Center


Ph.D., University of California, San Diego

M.A., University of California, San Diego

B.A. Swarthmore College, Pennslyvania

Selected Publications

Schaeffer, D. J., Chi, L., Krafft, C. E., Li, Q., Schwarz, N. F., & McDowell, J. E. (2014). Individual differences in working memory moderate the relationship between prosaccade latency and antisaccade error rate. Psychophysiology. Advance online publication. doi: 10.1111/psyp.12380

Pierce, J.E., McCardel, J.B., & McDowell, J.E. (2015). Trial type probability and task switching effects on behavioral response characteristics in a mixed saccade task. Experimental Brain Research, 233(3), 959-69. doi: 10.1007/s00221-014-4170-z

Pierce, J.E., Krafft, C.E., Rodrigue, A.L., Bobilev, A., Lauderdale, J.D., & McDowell, J.E. (2014). Intrinsic functional connectivity networks in individuals with aniridia. Frontiers in Human Neuroscience, 8: 1013. doi: 10.3389/fnhum.2014.01013

Schaeffer, D. J., Krafft, C. E., Schwarz, N. F., Chi, L., Rodrigue, A. L., Pierce, J. E., Allison, J. D., Yanasak, N. E., Liu, T., Davis, C. L., & McDowell, J. E. (2014). The relationship between uncinate fasciculus white matter integrity and verbal memory proficiency in children. NeuroReport, 25, 921-925. doi: 10.1097/WNR.0000000000000204

Schaeffer, D. J., Krafft, C. E., Schwarz, N. F., Chi, L., Rodrigue, A. L., Pierce, J. E., Allison, J. D., Yanasak, N. E., Liu, T., Davis, C. L., & McDowell, J. E. (2014). An 8-month exercise intervention alters uncinate fasciculus white matter integrity in overweight children. Psychophysiology, 51, 728-733. doi: 10.1111/psyp.12227

Krafft, C.E., Schaeffer, D.J., Schwarz, N.F., Chi, L., Weinberger, A.L., Pierce, J.E., Rodrigue, A.L., Allison, J.D., Yanasak, N.E., Liu, T., Davis, C.L., & McDowell, J.E. (2014). Improved fronto-parietal white matter integrity in overweight children is associated with attendance in an after-school exercise program. Developmental Neuroscience. 36(1), 1-9. doi: 10.1159/000356219

Lee, J., Park, C., Dyckman, K.A., Lazar, N.A., Austin, B.P, Li, Q., McDowell, J.E. (2013). Practice-related changes in neural activation patterns investigated via wavelet-based clustering analysis. Human Brain Mapping, 34(9), 2276-91. doi: 10.1002/hbm.22066

Brown, D.A., Lazar, N.A., Dalta, G.S., Jang, W., McDowell, J.E. (2014). Incorporating spatial dependence into Bayesian multiple testing of statistical parametric maps in functional neuroimaging. Neuroimage, 84, 97-112. doi: 10.1016/j.neuroimage.2013.08.024

Krafft, C.E., Pierce, J.E., Schwarz, N.F., Chi, L., Weinberger, A.L., Schaeffer, D.J., Rodrigue, A.L., Camchong, J., Allison, J.D., Yanasak, N.E., Liu, T., Davis, C.L., & McDowell, J.E. (2014). An eight month randomized controlled exercise intervention alters resting state synchrony in overweight children. Neuroscience, 256, 445-455. doi: 10.1016/j.neuroscience.2013.09.052

 Krafft, C., Schwarz, N., Chi, L., Weinberger, A., Schaeffer, D., Pierce, J.E., Rodrigue, A., Yanasak, N., Miller, P., Tomporowski, P., Davis, C., McDowell, J. (2014). An 8-month randomized controlled exercise trial alters brain activation during cognitive tasks in overweight children. Obesity (Silver Springs), 22(1), 232-42. doi: 10.1002/oby.20518

 Schaeffer, D. J., Amlung, M. T., Li, Q., Krafft, C. E., Austin, B. P., Dyckman, K. A. and McDowell, J. E. (2013). Neural correlates of behavioral variation in healthy adults' antisaccade performance.Psychophysiology, 50, 325–333. doi: 10.1111/psyp.12030

Hamm, J.P., Dyckman, K.A., McDowell, J.E., & Clementz, B.A. (2012) Pre-cue Fronto-Occipital Alpha Phase and Distributed Cortical Oscillations Predict Failures of Cognitive Control. Journal of Neuroscience. 32(20):7034-41.

 Li Q., Amlung M.T., Valtcheva M., Camchong J., Austin B.P., Dyckman D.A., Unsworth N., Clementz B.A., & McDowell J.E. (2012). Evidence from cluster analysis for differentiation of antisaccade performance groups based on speed/accuracy tradoffs. International Journal of Psychophysiology. 85(2):274-277.

 Hamm, J.P., Dyckman,.K.A., Ethridge., L.E., McDowell., J.E., & Clementz, B.A. (2010). Preparatory activations across a distributed cortical network determine production of express saccades in humans. Journal of Neuroscience, 30(21): 7350-7.

J. Wang, R. Brown, K.R. Dobkins, J.E. McDowell, B.A. Clementz (2009). Diminished parietal cortex activity associated with poor motion direction discrimination performance in schizophrenia. Cerebral Cortex.

L.E. Ethridge, S. Brahmbhatt, Y. Gao, J.E. McDowell, B.A. Clementz (2009). Consider the context: blocked versus interleaved presentation of antisaccade trials. Psychophysiology, 46(5): 1100-7.

J.E. McDowell, K.A. Dyckman, B.P. Austin & B.A. Clementz (2008). Neurophysiology and neuroanatomy of reflexive and volitional saccades: Evidence from studies of humans. Brain and Cognition, 38: 255-270.

J. Camchong, K.A. Dyckman, B.P. Austin, B.A. Clementz & J.E. McDowell (2008). Common Neural circuitry supporting volitional saccades and its disruption in schizophrenia patients and relatives. Biological Psychiatry, 64: 1042-1050.

B.A. Clementz, J.E. McDowell, K.R. Dobkins (2007). Compromised speed discrimination among schizophrenia patients when viewing smooth pursuit targets. Schizophrenia Research, 95, 61-65.

K.A. Dyckman, J. Camchong, B.A. Clementz & J.E. McDowell (2007). An effect of context on saccade-related behavior and brain activity. NeuroImage, 36, 774-784.

J.A. Sweeney, B. Luna, S.K. Keedy, J.E. McDowell & B.A. Clementz (2007). FMRI studies of eye movement control: Investigating the interaction of cognitive and sensorimotor brain systems. NeuroImage, 36, S2 T54-60.

B.A. Clementz, S.B. Brahmbhatt, J.E. McDowell, R. Brown & J.A. Sweeney (2007). When does the brain inform the eyes whether and where to move? An EEG study in humans. Cerebral Cortex, 17, 2634-2643.

J. Camchong, A.S. Goodie, J.E. McDowell, C.S. Gilmore & B.A. Clementz (2007). A cognitive neuroscience approach to studying the role of overconfidence in problem gambling. Journal of Gambling Studies, 23,185-199.

W.K. Campbell, E.A. Krusemark, K.A. Dyckman, A.B. Brunell, J.E. McDowell, J.M. Twenge & B.A. Clementz (2006). A magnetoencephalography investigation of neural correlates for social exclusion and self-control. Social Neuroscience, 1, 124-134.

J.E. McDowell, G.G. Brown, N. Lazar, R. Sharp, J. Camchong, K. Krebs-Thomson, L.T. Eyler, D.L. Braff & M.A. Geyer (2006). The neural correlates of habituation of response to startling tactile stimuli presented in a functional magnetic resonance imaging environment. Psychiatry Research: Neuroimaging, 148, 1-10.

A.H. Gutherie, J.E. McDowell & B.R. Hammond (2006). Scotopic sensitivity in schizophrenia. Schizophrenia Research, 84, 378-385.

J. Camchong, K.A. Dyckman, C.E. Chapman, N.E. Yanasak & J.E. McDowell (2006). Basal ganglia-thalamocortical circuitry disruptions in schizophrenia during delayed response tasks. Biological Psychiatry, 60, 235-241.

J.E. McDowell, J. Kissler, P. Berg, K. Dyckman, Y. Gao, B. Rockstroh & B.A. Clementz (2005). Electroencephalography/magnetoencephalography study of cortical activities preceding prosaccades and antisaccades. NeuroReport, 16, 663-668. (Note - figure from the manuscript was presented on the cover of the journal).

K.A. Dyckman & J.E. McDowell. Behavioral plasticity of antisaccade performance following daily practice (2005). Experimental Brain Research, 162, 63-69.

J.S. Bedwell, L.S. Miller, J.M. Brown, J.E. McDowell & N.E. Yanasak (2004). Functional magnetic resonance imaging examination of the magnocellular visual pathway in nonpsychotic relatives of persons with schizophrenia. Schizophrenia Research, 71, 509-510.

J.E. McDowell, G.G. Brown, M.P. Paulus, A. Martinez, S.E. Stewart, D.J. Dubowitz & D.L. Braff (2002). Neural correlates of refixation saccades and antisaccades in normal and schizophrenia subjects. Biological Psychiatry, 51, 216-223.

M.P. Paulus, N. Hozack, B. Zauscher, J. McDowell, L. Frank, G.G. Brown & D.L. Braff (2002). Parietal dysfunction is associated with increased outcome-related decision-making in schizophrenia. Biological Psychiatry, 51, 995-1004.

K.S. Cadenhead, G.A. Light, M.A. Geyer, J.E. McDowell & D.L. Braff (2002). Neurobiological measures of schizotypal personality disorders: Defining an inhibitory endophenotype? American Journal of Psychiatry, 159,869-871.

B.A. Clementz, J.E. McDowell & S.E. Stewart (2001). Timing and magnitude of frontal activity differentiates refixation and anti-saccade performance. NeuroReport, 12, 1863-1868.

J.E. McDowell & B.A. Clementz (2001). Behavioral and brain imaging studies of saccadic performance in schizophrenia. Biological Psychology, 57, 5-22.

C.A. Brenner, J.E. McDowell, K. Cadenhead & B.A. Clementz (2001). Saccadic inhibition among schizotypal personality disorder subjects. Psychophysiology , 38, 399-403.

J.E. McDowell, C.A. Brenner, M. Myles-Worsley, H. Coon, W. Byerley & B.A. Clementz (2001). Ocular motor delayed-response task performance among schizophrenia patients and their biological relatives.Psychophysiology, 38, 153-156.

M.P. Paulus, N. Hozack, B. Zauscher, J.E. McDowell, L. Frank, G.G. Brown & D.L. Braff (2001). Prefrontal, parietal, and temporal cortex networks underlie decision-making in the presence of uncertainty.NeuroImage, 13, 91-100.