<unk> , also known as geropsychiatry, psychogeriatrics or psychiatry of old age, is a branch of medicine and a subspecialty of psychiatry dealing with the study, prevention, and treatment of neurodegenerative, cognitive impairment, and mental disorders in people of old age.<unk>  as a subspecialty has significant overlap with the specialties of geriatric medicine, behavioural neurology, neuropsychiatry, neurology, and general psychiatry.<unk>  has become an official subspecialty of psychiatry with a defined curriculum of study and core competencies.
Geriatric psychiatry
Psychiatry
Neuropsychiatry
Social psychiatry
Pediatric neuropsychology
Cognitive neuropsychiatry
Addiction psychiatry
Cardiogeriatrics