2026 Gregory G. Brown: Psychology Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Psychology	65	2812	2577	1626	1457	171	19067

Overview

Gregory G. Brown is affiliated with the University of California, San Diego in the United States. The research primarily spans the fields of psychology, neuroscience, and medicine, with a focus on clinical psychology, cognitive neuroscience, and applied psychology among subfields.

Brown's research topics include:

Eating Disorders and Behaviors
Behavioral Health and Interventions
Functional Brain Connectivity Studies
Obsessive-Compulsive Spectrum Disorders
Neural and Behavioral Psychology Studies
Schizophrenia Research and Treatment
Advanced Neuroimaging Techniques and Applications

The scientist has collaborated frequently with several coauthors, including Christina E. Wierenga, Amanda Bischoff-Grethe, Erin E. Reilly, Walter H. Kaye, and Michael L. Thomas.

Selected recent papers reflect a focus on reinforcement learning, cognitive and neuropsychological assessment, and neurological effects of health conditions. These include:

"Altered Reinforcement Learning from Reward and Punishment in Anorexia Nervosa: Evidence from Computational Modeling," 2021, Journal of the International Neuropsychological Society
"Detecting the Inverted-U in fMRI Studies of Schizophrenia: A Comparison of Three Analysis Methods," 2021, Journal of the International Neuropsychological Society
"Evidence for a novel subcortical mechanism for posterior cingulate cortex atrophy in HIV peripheral neuropathy," 2020, Journal of NeuroVirology
"Latent Variable Modeling and Adaptive Testing for Experimental Cognitive Psychopathology Research," 2020, Educational and Psychological Measurement
"Reinforcement learning in women remitted from anorexia nervosa: Preliminary examination with a hybrid reinforcement learning/drift diffusion model," 2025, Journal of the International Neuropsychological Society

Publication venues where Brown has appeared multiple times include the Journal of the International Neuropsychological Society, UNC Libraries, Journal of NeuroVirology, Educational and Psychological Measurement, and Biological Psychiatry.

Best Publications

Reliability in multi-site structural MRI studies: Effects of gradient non-linearity correction on phantom and human data

Jorge Jovicich;Silvester Czanner;Douglas N. Greve;Elizabeth Haley

1465
Citations
The genetic architecture of the human cerebral cortex

Katrina L. Grasby;Neda Jahanshad;Jodie N. Painter;Lucía Colodro-Conde

838
Citations
Increased amygdala activation to angry and contemptuous faces in generalized social phobia.

Murray B. Stein;Philippe R. Goldin;Jitender Sareen;Lisa T. Eyler Zorrilla

764
Citations
Altered brain response to verbal learning following sleep deprivation

Sean P. A. Drummond;Gregory G. Brown;Gregory G. Brown;J. Christian Gillin;J. Christian Gillin;John L. Stricker

743
Citations
Occupational exposures to metals as risk factors for Parkinson's disease

Jay M. Gorell;C. C. Johnson;B. A. Rybicki;E. L. Peterson

606
Citations
fMRI evidence of compensatory mechanisms in older adults at genetic risk for Alzheimer disease

Mark W. Bondi;Wes S. Houston;Lisa T. Eyler;Gregory G. Brown

476
Citations
Neural response to alcohol stimuli in adolescents with alcohol use disorder.

Susan F. Tapert;Erick H. Cheung;Gregory G. Brown;Lawrence R. Frank

462
Citations
The Effects of Total Sleep Deprivation on Cerebral Responses to Cognitive Performance

Sean P A Drummond;Gregory G Brown

416
Citations
Working memory and DLPFC inefficiency in schizophrenia: The FBIRN study

S. G. Potkin;J. A. Turner;G. G. Brown;G. McCarthy

391
Citations
Sleep deprivation-induced reduction in cortical functional response to serial subtraction.

Sean Drummond;Gregory Brown;John Stricker;Richard Buxton

388
Citations
Behavioral and functional neuroimaging evidence for prefrontal dysfunction in methamphetamine-dependent subjects.

Martin P Paulus;Nikki E Hozack;Blanca E Zauscher;Lawrence Frank;Lawrence Frank

380
Citations
fMRI measurement of brain dysfunction in alcohol-dependent young women.

Susan F. Tapert;Gregory G. Brown;Sandra S. Kindermann;Erick H. Cheung

334
Citations
Increased cerebral response during a divided attention task following sleep deprivation

Sean P. A. Drummond;J. Christian Gillin;Gregory G. Brown

324
Citations
fMRI BOLD response to alcohol stimuli in alcohol dependent young women.

Susan F Tapert;Gregory G Brown;Gregory G Brown;Michael V Baratta;Michael V Baratta;Sandra A Brown;Sandra A Brown

293
Citations
Decision making by methamphetamine-dependent subjects is associated with error-rate-independent decrease in prefrontal and parietal activation.

Martin P Paulus;Martin P Paulus;Nikki Hozack;Lawrence Frank;Lawrence Frank;Gregory G Brown;Gregory G Brown

292
Citations
Prefrontal, parietal, and temporal cortex networks underlie decision-making in the presence of uncertainty.

Martin P. Paulus;Nikki Hozack;Blanca Zauscher;Jennifer E. McDowell

289
Citations
Increasing task difficulty facilitates the cerebral compensatory response to total sleep deprivation

Sean P A Drummond;Sean P A Drummond;Gregory G Brown;Gregory G Brown;Jennifer S Salamat;J Christian Gillin;J Christian Gillin

281
Citations
Test–retest and between-site reliability in a multicenter fMRI study

Lee Friedman;Hal Stern;Gregory G. Brown;Daniel H. Mathalon

278
Citations
Blood oxygen level dependent response and spatial working memory in adolescents with alcohol use disorders.

Susan F. Tapert;Susan F. Tapert;Alecia D. Schweinsburg;Alecia D. Schweinsburg;Valerie C. Barlett;Sandra A. Brown;Sandra A. Brown

273
Citations
Measurement of cerebral perfusion with arterial spin labeling: Part 1. Methods.

Thomas T. Liu;Gregory G. Brown

260
Citations

Frequent Co-Authors

Martin P. Paulus Laureate Institute for Brain Research

Daniel H. Mathalon University of California, San Francisco

Susan F. Tapert University of California, San Diego

Sean P.A. Drummond Monash University

Dilip V. Jeste University of California, San Diego

Murray B. Stein University of California, San Diego

Mark W. Bondi University of California, San Diego

Alan N. Simmons University of California, San Diego

Sandra A. Brown University of California, San Diego

Terry L. Jernigan University of California, San Diego

External Links

Personal website of Gregory G. Brown

If you think any of the details on this page are incorrect, let us know.

Related Online Degrees & Career Pathways

Exploring Psychology in the USA opens the door to various specialized career paths, including the fast-growing field of Applied Behavior Analysis (ABA). One of the most notable credentials is the Board Certified Behavior Analyst (BCBA) certification. Earning a BCBA requires a graduate degree, supervised experience, and passing a national exam. Online degree programs can be an excellent option for students needing flexibility while meeting these educational and training requirements.

Specific requirements can vary by region. For example, students can explore St. Petersburg bcba requirements to understand the local steps to certification. Those interested in California can learn the processes for how to become a bcba in Stockton. Meanwhile, aspiring professionals in Florida may wish to review the bcba certification requirements in Tampa. Similarly, Ohio residents can discover how to become a bcba in Toledo.

Choosing an online Psychology or ABA degree can provide the academic foundation needed for these rewarding roles, offering the chance to make a real impact on individuals and communities alike.