Flashcards in Memory Disorders Deck (24)
subject memory complaints predicts what?
predate formal deficits in some dementia
Case of HM was?
bilateral mediall temporal lobe resection = no long term memory creation, amnesia, but intact procedural and working memory
Immediate memory is?
short=term, keeping info like digits in our heads and manipulate if need be
long term memory is?
storing information over minutes/hours/years
what is non-declarative memory?
what is 2 kinds of declarative memory?
semantic: facts (banana is yellow)
semantic memory contextual?
3 important brain areas for declarative memory? damage does what?
3. perirhinal cortex
damage to any of the three causes memory deficits
Right hippocampus better for?
non verbal memory: faces, visuospatial associations
left hippocampus better for?
verbal: list learning/story recall
4 big causes of memory impairment?
1. degenerative disorders
2. cerebrovascular disorders
3. paroxysmal/transient (eg. trauma)
4. surgical resection
what happens to hippocampus in temporal lobe epilepsy? histologically and clinically?
hippocampal sclerosis (CA1)
declarative memory deficit
what happens if you remove mammillary bodies?
what is transient global amnesia?
anterograde amnesia from some precipitating event, unknown cause
3 kinds of transient memory disorders?
1. transient global
2. transient epileptic
what't eh most common dementia?
what is first signs of Alzheimers
mild cognitive impairment
mild cognitive impairment is what 4 things?
1. self reported complaint, hx 6-12mo
2. objective memory impairement
3. general cog is good
4. normal ADLs
Alzheimers Braak and Braak stag V-VI affects?
Alzheimers Braak and Braak stage I-II affects?
Alzheimers Braak and Braak stage III-IV affects?
what are two early memory compalints in MCI?
1. name-face association
2. object -place association
fluent empty language