Biological bases and memory 4

Question 1

an increase in synaptic strength could be mediated by:

Answer 1

• an increase in neurotransmitter release

- an increase in postsynaptic reponse

Question 2

William Greenough

- does learning produced a change in synaptic connectivity

Answer 2

IC-impoverished condition (low)
SC-social condition (middle)
EC-enriched condition (high)

Question 3

dendritic spines

Answer 3

infer the number of synapses in various brain regions

Question 4

electron microscopy

Answer 4

count the number of synapses in various brain regions

Question 5

results of William Greenough study

Answer 5

• experience likely to lead to MEMORY= changes the structure of the BRAIN
• this changes the structure/change in synaptic connectivity
• change in synapse= better memory/ learning capabilities

Question 6

memory

Answer 6

recording of the past and present for later use in the present

Question 7

memory at the individual level involves

Answer 7

• encoding
• storage
• retrieval

Question 8

encoding

Answer 8

the conversion of information into a FORM that can be stored in memory

Question 9

storage

Answer 9

the creation of a TRACE of this information within the nervous system

Question 10

retrieval

Answer 10

an attempt to RECOVER a memory trace

Question 11

Hermann Ebbinghaus (1850-1909)

Answer 11

ebbinghaus forgetting curve

Question 12

Peterson and Peterson’s (1959) experiment

Answer 12

• 3 letters and 3 digit number =green signal
• subject counts backwards by 3 interval for 18 seconds=retention interval
• recall signal and report = red light

Question 13

memory span stimuli

Answer 13

miller (1956) the magic number 7+_2