Term
What are the 2 main types of memory? |
|
Definition
1) Declarative 2) Procedural. |
|
|
Term
What is the difference between declarative and procedural memory? |
|
Definition
Declarative is a record of fact accessible to the consciousness. Procedural involves skills and behaviours. |
|
|
Term
Which areas of the brain are responsible for procedural memory, skeletal musculature and emotional responses? |
|
Definition
Procedural memory: striatum Skeletal musculature: cerebellum Emotional responses: amygdala |
|
|
Term
What is retrograde amnesia? |
|
Definition
Missing memories before the trauma. |
|
|
Term
What is anterograde amnesia? |
|
Definition
Failing to incorporate new memories. |
|
|
Term
Where are memories distributed? |
|
Definition
Throughout the neocortex. If reliant on only one sense then they are located in the related cortical area. |
|
|
Term
What is the role of the medial temporal lobe? |
|
Definition
|
|
Term
What is Kluver-Bucy syndrome? |
|
Definition
Frontotemporal dementia. It results in: 1) Hyperphagia 2) Hypersexuality 3) Innappropriate emotional behaviour 4) Probable visual agnosia. |
|
|
Term
What kind of amnesia would you expect in MTL damage? |
|
Definition
|
|
Term
What does damage to the entorhinal cortex result in? |
|
Definition
Loss of long term memory. |
|
|
Term
What is the hippocampus important for? |
|
Definition
1) Spatial memory 2) Associative learning (bringing together different sensory inputs). |
|
|
Term
Which regions of the medial temporal lobe are most important for memory? |
|
Definition
1) The rhinal cortex 2) The hippocampus 3) The amygdala. |
|
|
Term
What are the key symptoms of korsakoff's syndrome? |
|
Definition
1) Marked anterograde and retrograde memory disturbance 2) Confabulation |
|
|
Term
What is the cause of Korsakoff's syndrome? |
|
Definition
Thiamin deficiency, secondary to malnutrition in chronic alcoholism. |
|
|
Term
Where are lesions commonnly found in Korsakoff's syndrome? |
|
Definition
The dorsomedial thalamus and mamillary bodies. |
|
|
Term
What is the relationship between Parkinson's and stimulus-response habits? |
|
Definition
Parkinson's damages the substantia nigra (input to the striatum) and patients cannot form stimulus-response habits. |
|
|
Term
What is the difference between primary and secondary dementia? |
|
Definition
1) Primary: protein deposit problems cause neuronal death 2) Secondary: associated with systemic or neurological disease. |
|
|