DSM-IV criteria for dementia | DSM-5 criteria for major neurocognitive disorder (previously dementia) |
A1. Memory impairment | A. Evidence of significant cognitive decline from a previous level of performance in one or more cognitive domains*: - Learning and memory - Language - Executive function - Complex attention - Perceptual-motor - Social cognition |
A2. At least one of the following: - Aphasia - Apraxia - Agnosia - Disturbance in executive functioning | |
B. The cognitive deficits in A1 and A2 each cause significant impairment in social or occupational functioning and represent a significant decline from a previous level of functioning. | B. The cognitive deficits interfere with independence in everyday activities. At a minimum, assistance should be required with complex instrumental activities of daily living, such as paying bills or managing medications. |
C. The cognitive deficits do not occur exclusively during the course of delirium. | C. The cognitive deficits do not occur exclusively in the context of a delirium. |
D. The cognitive deficits are not better explained by another mental disorder (eg, major depressive disorder, schizophrenia). |
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