Lecture 6 Flashcards
More Memory
What was Karl Lashley’s theory?
Mass action - memories stored throughout cortex
What is the Rey-Osterreith figure?
Memory drawing task
Did hippocampus or Rhinal cortex damage do worse on the Rey-Osterreith figure?
Rhinal cortex damage
What is Wernicke-Korsakoff syndrome?
From lack of thiamine (often in heavy drinkers) damages mammillary bodies and therefore memory
Which memories (recent or remote) are tied to the hippocampus?
Recent, remote memories are in cortex too but not tied to hippocampus
Is the hippocampus related to spatial memory?
Yes, without a hippocampus mice do badly on the Morris water maze
What is an allocentric reference?
See things in relation to other things not yourself
How do you test egocentric memory?
Put rat in maze at same point every time
How do you test allocentric memory?
Put rat in maze at different points each time
Is hippocampus related to allocentric or egocentric memory?
Allocentric, when did egocentric test hippocampus lesions didn’t change latency
What did Eleanor Maguire do?
MRI’s on people with lots of navigation experience
What happens to the hippocampus with navigational experience?
Volume increase in posterior hippocampus
