Psychiatry Experts

Gregory Fonzo

Postdoctoral Scholar
Psychiatry and Behavioral Sciences
Stanford University
United States of America

Gregory Fonzo


Dr. Gregory Fonzo received BS dual degree in Biology and Psychology from the University of Georgia as part of the Honors Program. There he pursued undergraduate research under the mentorship of L. Stephen Miller Ph.D. on the neural substrates of emotional conflict processing and neuroimaging signatures of traumatic brain injury. After a brief hiatus from the academic world working as a veterinary technician, he enrolled in the San Diego State University/University of California-San Diego Joint Doctoral Program in Clinical Psychology.

Research Interest

His primary research mentors were Murray B. Stein, M.D., M.P.H., and Martin P. Paulus, M.D. His graduate research focused on the functional neuroanatomy and developmental determinants of negative valence systems in anxiety and traumatic stress disorders. He also pursued a clinical specialization in the psychotherapeutic treatment of anxiety and traumatic stress disorders through practicum work at the VA San Diego Healthcare System Anxiety Disorders Clinic and PTSD Clinical Team. He received specialized training in Prolonged Exposure (PE) and Eye Movement Desensitization and Reprocessing (EMDR), and he is certified Level 1 EMDR provider.


  • Early life stress and the anxious brain: evidence for a neural mechanism linking childhood emotional maltreatment to anxiety in adulthood. Psychological medicine Fonzo, G. A., Ramsawh, H. J., Flagan, T. M., Simmons, A. N., Sullivan, S. G., Allard, C. B., Paulus, M. P., Stein, M. B. 2016; 46 (5): 1037-1054

  • Greater preference consistency during the Willingness-to-Pay task is related to higher resting state connectivity between the ventromedial prefrontal cortex and the ventral striatum. Brain imaging and behavior Mackey, S., Olafsson, V., Aupperle, R. L., Lu, K., Fonzo, G. A., Parnass, J., Liu, T., Paulus, M. P. 2016; 10 (3): 730-738

  • Learning in Generalized Anxiety Disorder Benefits From Neither the Carrot Nor the Stick. American journal of psychiatry Etkin, A., Fonzo, G. A. 2017; 174 (2): 87-88

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