9.1

Question 1

H.M

Answer 1

• neurosurgeons removed most of his hippocampus in BOTH HEMISPHERES to reduce his severe seizures, possibly from a childhood accident

=> memory functions declined, but his personality and intellect remained intact

Question 2

Memory

Answer 2

the ability to retain knowledge

Question 3

3 steps of memory (ESR)

Answer 3

encoding: acquiring information and transferring it into one form to another

storage: retention of memory

retrieval: recovery of stored memeory

Question 4

evolution of memory

Answer 4

animals can use info from the past to respond quickly to the immediate present challenges (saves reaction time against a predator)

Question 5

HM teachings

Answer 5

• different types of memory
• different brain regions are important for some kinds of memory but not others

=> after his surgery, H.M couldn’t register new information