Dr. Onyike is specialized in neuropsychiatry and focuses on the care of individuals who have neurodegenerative dementias. His practice focuses on conditions that develop in midlife or earlier, including frontotemporal dementias, young-onset Alzheimer diseases, prion diseases, leukodystrophy and other atypical conditions that cause cognitive and behavioral impairments and dementia. He is principal investigator or co-investigator of studies focused on the epidemiology and treatment of the frontotemporal dementias, Alzheimer disease, Lewy body disease, spinocerebellar ataxias, and other neurodegenerative disorders.

Dr. Onyike is a member of the Medical Advisory Council of the Association for Frontotemporal Degeneration, the FTD Disorders Registry Scientific Advisory Board and the FDA Advisory Committee for Central and Peripheral Nervous System Drugs. He serves on the Alzheimer’s Association Best Clinical Practices Guidelines Work Group, and has participated in NIA/NINDS Alzheimer’s Disease and Related Dementias workshop committees. He is a founding member of the International Society for Frontotemporal Dementias.