S2W12 - Memory Flashcards
HM Memory Tests - Deficit
Digit span +1 test
Block Tapping
HM Memory Tests - Good Performance
Mirror Drawing Test
Incomplete Pictures Test
Pavlovian Conditioning
Retrograde Amnesia
memory deficits prior to surgery or trauma
Anterograde Amnesia
inability to form new memories after surgery or trauma
Korsakoff’s Syndrome
- heavy drinking
- Thiamine deficiency
- diffuse damage: medial thalamus, neocortex, hippocampi, cerebellum
- amnesia
- symptoms: confusion, personality changes, organ dysfunction, general memory deficits
Alzheimer’s Disease
early symptoms: mild memory deficits
late stages: dementia, cannot speak, recognise family, eat, etc., general memory deficits
General Memory Deficits
- anterograde
- explicit retrograde
- short term
- implicit verbal
- implicit perceptual
- NOT implicit sensorimotor learning
Hippocampus purpose
memory for spacial location
hippocampal place cells
Concept Cells
“jennifer anniston” cells respond to her costar on friends
not an individual, but a concept
Inferotemporal Cortex
- complex visual function
- memory input
Amygdala
- enhances/ strengthens memory using emotion
Prefrontal Cortex
- memories for tasks with multiple steps
- e.g. recipes
Cerebellum
- sensorimotor task memory
Striatum
- creates relationships between stimuli and responses
- potential role in habit formation
Long Term Potentiation
Neurons that fire together wire together
Induction, maintenance, expression