Lecture 11

Question 1

Retrograde Amnesia

Answer 1

Inability to retrieve explicit information prior to trauma
§ Temporally-graded
□ Memory for old information is typically intact
□ More recent information is more vulnerable

Question 2

Psychogenic Amnesia

Answer 2

Root cause in psychological trauma
○ Rare in the real world, due to psychological trauma

Question 3

Anterograde Amnesia

Answer 3

Inability to lean new explicit information after trauma

Question 4

Organic Amnesia

Answer 4

Physical damage causes the amnesia

Question 5

Tower of Hanoi

Answer 5

○ Move the disks from one peg to the third, but you can only move one at a time and disks need to be biggest at the bottom to smallest at the top
○ Amnesiacs improved just as fast as the controls did
§ Have implicit memory for problem solving skills

Question 6

• Implicit Memory and Priming

Answer 6

○ Includes procedural knowledge
§ Skills
○ Priming: When previous exposure to a stimulus facilitates subsequent processing of that stimulus (getting better at reading a new word time after time)
- Posterior visual area activity

Question 7

Explicit: Conscious recollection

Answer 7

○ Declarative knowledge
○ Recall
○ Recognition
- Hippocampus and frontal lobe activity

Question 8

Mirror Reading Study

Answer 8

§ Korsakoff’s amnesiacs and N.A. versus normal
§ Severe anterograde amnesia
○ Had people read mirror reversed text across 4 days, including 50% repeated words
○ Normals were better than amnesiacs for old words, but the same for new words

Question 9

Hippocampus

Answer 9

○ Often damaged causing amnesia
- Medial part of the temporal lobe