l15 Neurobiology of Dementias and Clinical Aspects Flashcards
what are the domains of cognitive impairment
- memory
- language
- visuospatial function
- social
- executive
what is visuospatial function
way-finding hand-eye coordination arranging objects copying a drawing
what causes brain dysfunction
hypothyroidism
sodium
drugs
depression
poor sleep
pain
what causes brain damage
vascular disease - small vessel cerebrovascular disease-
alcohol
HIV
MS
tumour
B12
does vascular disease - small vessel cerebrovascular disease- worsen or cause dementia
Worsen usually
what’s a neurodegenerative disease
Alzheimers
Lewy body disease- parkinsons only affecting cognitive function
molecular process of Neurodegenerative diseases
Aggregation of misfolding proteins
molecular alzheimers disease
Amyloid Beta proteins connections occur extracellularly
Causes of alcohol
Wernicke’s
&
Korsakoff’s
what does Wernicke’s cause
Delirium
Ataxia
eye movements
what does Korsakoff’s cause
amnesia
confabulation
consolidation
long term alcoholics
liver disease
seizures
malnutrition