A diagnosis of “major neurocognitive disorder”, also known as dementia, is given when there is evidence of significant cognitive decline from a previous level of performance in one or more cognitive domains: complex attention, executive function, learning, and memory, language, perceptual-motor, or social cognition. The diagnosis is based on:
The cognitive deficits interfere with the individual’s independence in everyday activities, at a minimum, requiring assistance with activities of daily living such as paying bills or managing medications. The cognitive impairment does not occur exclusively in the context of delirium and is not better explained by another mental disorder (e.g., major depressive disorder, schizophrenia).
The major neurocognitive disorder may be due to:
Mental Health Library Sources:
Information included in all topics of the Mental Health Library comes from the Desk Reference to the Diagnostic Criteria From DSM-5 and Kaplan & Sadock’s Concise Textbook of Clinical Psychiatry. Complete diagnostic and treatment information may be found within these publications.
Information within the Mental Health Library is not intended to be used for self-diagnosis purposes. Rather, it is provided as a public educational service to make people aware of mental health conditions. Please consult a qualified mental health professional for a diagnosis of any suspected mental health illness.
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