6. Neurocognitive Disorders Flashcards
3 Categories of NCD in the DSM5
- Delirium
- Major NCD
- Mild NCD
DF: A deterioration of cognitive function, with little/no disturbance of consciousness or perception, loss of multiple seperable but overlapping abilities
Dementia
Dementia Subtypes:
Alzheimer’s (50%+)
Vascular Dementia (10%) or mixed Vascular AD (15%)
Lewy Body Dementia (15-20%)
Frontotemporal dementia (5%)
Other neurodegenerative conditions
Differentiation in types of Dementia
Cortical and Subcortical (and mixed)
Alzheimer’s and Frontotemporal Dementia are examples of:
Cortical Dementias
Vascular Dementia and Parkinson’s Dementia are examples of:
Subcortical Dementias
Four A’s of Cortical Dementias (Symptoms)
Amnesia - Memory decline
Aphasia - change in language function
Apraxia - Motor difficulties
Agnosia - Inability to recognise objects, faces
Four D’s of Subcortical Dementias (Symptoms)
Dysmneisa - Mild memory problems
Dysexecutive syndrome - Executive dysfunction
Delay - Slow thinking and moving
Depletion - Reduced complexity of thought
DF: Disturbance in attention (reduced ability to direct, focus, sustain shift attention) and awareness (reduced orientation to the environment)
Delirium
Delirium is a direct physiological consequence of one or more of the 3:
- Substance intoxication or withdrawal
- Medication induced
- Other medical condition
DF: Significant cognitive decline from previous level of performance in one or more cognitive domains:
- Concern by individual or others
- Standardised testing or assessment
Major NCD
Most common form of Major NCD (60-80%)
Alzheimer’s disease
Age of onset for Alzheimer’s is usually after ___, onset prior to age ___ extremely rare.
65;45
First symptoms of Alzheimer’s usually noticed
Memory problems
Cause of Alzheimer’s: _____ form when protein pieces clump together between nerve cells
Amylpoid Plaques
