Organic Mental Disorders Flashcards
1
Q
what are organic mental disorders?
A
characterised by demonstrable organic brain damage or mental disorder arising in the context of demonstrable physical disease
2
Q
damage to what causes amnesic syndrome?
A
> hippocampal damage
> diencephalic damage
3
Q
what can cause hippocampal damage?
A
> closed head injury > anoxia > herpes simplex virus > surgical removal of the temporal lobes > bilateral cerebral artery occlusion > early Alzheimer's disease
4
Q
what can cause diencephalic damage?
A
> korsakoffs syndrome
3rd ventricle tumours and cysts
bilateral thalamic infarction
post subarachnoid haemorrhage (anterior communicating artery aneurysm)
5
Q
what is the presentation amnesic syndrome?
A
> preserved global intellectual abilities > anterograde amnesia > retrograde amnesia (temporal gradient) > preserved registration > preserved procedural memory