Definition
- Organic brain syndrome
- Acquired impairment of higher mental functioning (intellect, memory and personality)
- Occur in alert patient
- Usually progressive and rarely reversible
- With impairment in performance of ADLs
- DSM-5: Major neurocognitive disorder
- Development of multiple cognitive deficits (significant cognitive decline from previous level of functioning)
- Complex attention
- Executive ability (impaired judgement)
- Learning and memory
- Language
- Visuo-constructional-perceptual ability (abstract thinking, apraxia, agnosia)
- Social cognition (personality changes)
- Impairment in occupational and social functioning
- Represent a decline from previous level of functioning
- Impaired or assisted ADLs
