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Jordan Hamm

Undergraduate: B.S., Psychology, UGA 

                             B.A., Philosophy, UGA

Graduate Program: M.S. Psychology (2010)

                                   Ph.D. Neuroscience (2013)

View my CV

I am interested in understanding the auditory neurophysiological abnormalities associated with schizophrenia.  I use electro- and magnetoencephalography to examine oscillatory brain rhythms evoked by a variety of auditory stimuli.


Ethridge, L.E., Hamm, J.P., Shapiro, J.R., Thaker, G.,  Summerfelt, A.T., Keedy, S.K., Stevens, M.C., Pearlson, G., Boutros, N.N., Tamminga, C.A., Sweeney, J.A., Keshavan, M.S., Clementz, B.A. (2012). Neural activations during auditory oddball processing discriminating schizophrenia and psychotic bipolar disorder. Biological Psychiatry.

Hamm, J.P., Ethridge, L.E., Shapiro, J.R., Stevens, M.C., Boutros, N.N., Summerfelt, A.T., Keshavan, M.S., Sweeney, J.A., Pearlson, G., Tamminga, C.A., Thaker, G., Clementz, B.A. (2012) Spatio-temporal and frequency domain analysis of auditory paired stimuli processing in schizophrenia and psychotic bipolar disorder. Psychophysiology,49(4):522-530.

Hamm, J.P., Gilmore, C.S., Clementz, B.A. (2012) Augmented Gamma Band Auditory Steady-State Responses: Support for NMDA Hypofunction in Schizophrenia. Schizophrenia Research.

Hamm, J.P., Sabatinelli, D., Clementz, B.A. (2012) Alpha Oscillations and the Control of Voluntary Saccadic Behavior. Experimental Brain Research.

Hamm, J.P., Gilmore, C.S., Picchetti, N, Sponheim, S.R., and Clementz, B.A. (2011). Abnormalities of Neuronal Oscillations and Temporal Integration to Low and High Frequency Auditory Stimulation in Schizophrenia. Biological Psychiatry. 69(10):989-96.

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.

Posters / Talks :

Hamm, J.P., Dyckman, K.A, Mcdowell, J.E.,  Clementz, B.A. (2011). Pre-trial alpha phase and beta power in frontal cortex predicts antisaccade errors. Poster presented at 2011 Society for Psychophysiological Research (SPR). Boston, Massachusetts.

Hamm, J.P., Gilmore, C.S., and Clementz, B.A. (2011). High gamma (>60Hz) abnormalities in schizophrenia patients during auditory steady-state stimulation.  Talk to be given at 2011 International Congress of Schizophrenia Research (ICOSR).  Colorado Springs, Colorado.

Hamm, J.P., Gilmore, C.S., Picchetti, N, Sponheim, S.R., and Clementz, B.A.  (2010). Abnormal auditory cortical processing as a function of stimulus density in schizophrenia patients. Poster presented at 2010 Human Brain Mapping Conference (HBM) in Barcelona, Spain.

Hamm, J.P., Gilmore, C.S., Picchetti, N, Sponheim, S.R., and Clementz, B.A.  (2010). Schizophrenic patients display abnormal neural responses in auditory cortex to increasing rates of stimulation.  Talk given at 2010 South East Nerve Net and Georgia-South Carolina Neuroscience Consortium conference.  Emory University, Atlanta, Georgia.

Hamm, J.P., Dykman, K.A., Ethridge, L.E, McDowell, J.E., and Clementz, B.A. (2009).  Pre-gap alpha phase and preparatory cortical signals determine express vs regular saccade generation.  Poster presented at 2009 Event related Potentials International Congress (EPIC). Bloomington, Indiana. 

Crystal, J.D., Foote, A. L., Hamm, J. P., Pratt, F.M., and Tillitski, J.D. (2007) Anticipation of a future drive state in the rat. Poster presented at 2007 Annual CURO Undergraduate Symposium and Research Fair. University of Georgia


2008 - Travel Award for National Science Foundation Proposal, University of Georgia

2009 -Training/research grant for Multimodal Neuroimaging Training Program Workshop at Carnegie Mellon/University of Pittsburgh

2010-11 Paul D. Coverdell Franklin Foundation Fellowship in Neuroimaging

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