William Perry

Dr. William Perry is a leading neuropsychologist and academic at UC San Diego's Department of Psychiatry, holding multiple leadership positions including Vice Chair for Program Development & Operations, Co-Director of Clinical Psychiatry, and Chief Supervising Psychologist at UCSD Medical Center. He serves as Executive Director of the National Academy of Neuropsychology and is a Fellow of both NAN and the Society for Personality Assessment.

His research program focuses on inhibitory processing deficits in neuropsychiatric conditions using innovative methods:

• Psychophysiological assessment of unmedicated psychiatric patients
• Longitudinal studies of information processing deficits
• Translational approaches bridging human and animal models
• Computational analysis of behavioral dynamics

Major research domains include:

• Bipolar disorder pathophysiology
• Schizophrenia neurocognition
• Substance use comorbidities
• Neurocognitive impacts of HIV and HCV
• Endocannabinoid system functions

Recent publications (2018-2025) demonstrate strong research output in:

• Neuropsychopharmacology of cannabis and stimulants
• Computational psychiatry approaches
• Cross-species validation of neuropsychiatric models
• Neurocognitive aspects of viral infections
• Sensorimotor processing deficits

Dr. Perry has received significant scientific recognition:

• Fellow, National Academy of Neuropsychology
• Fellow, Society for Personality Assessment
• Principal Investigator on multiple NIH R01 grants spanning nearly 20 years

He maintains active clinical programs in neuropsychological assessment and consultation-liaison psychiatry, with specialized services for pain management, transplantation, and burn patients.