PSYC 2700 Test 2 Practice Exam Questions And 100% Correct Answers.
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PSYC 2700
What is the Multi-store model of memory? - Answer 3 Memory Structures - Atikinson & Shiffrin (1968) Sensory Memory (Registers)
Short-Term Store
Long-Term Store
Example of Multi-store memory - Answer • Story of Jimmie G: Korsakoff Patient
Born in 1926. Age 17 joined US navy until age 4...
PSYC 2700 Test 2 Practice Exam
Questions And 100% Correct Answers.
What is the Multi-store model of memory? - Answer 3 Memory Structures - Atikinson & Shiffrin (1968)
Sensory Memory (Registers)
Short-Term Store
Long-Term Store
Example of Multi-store memory - Answer • Story of Jimmie G: Korsakoff Patient
Born in 1926. Age 17 joined US navy until age 40 (1965). Capable person. Math, science, expert in Morse
code. In 1971 went to hospital disoriented. Sirois's of the liver, alcoholism. Care until 1975. Not a great
care facility. 1975 ended up in hospital for assessment in treatment. Oliver Sacs met Jimmy and he
became one of his patients. Korsikoff patient - people who have suffered damaged by excessive alcohol.
Lack of B1 Thalmyne. Damage in hypothalamus (memory). Similar to HM. Ability to remember recent
memory is impaired. Jimmy was living in the past (high school years) where his present time was in the
navy. What's the date? 1945, etc. How old are you? 19. Brought Jimmy a mirror. What type of trick is
this? Saw an old man. Visit from his brother (since 1943). Disturbed by visit from his brother. Why has he
aged so much?
Name the short term storage systems - Answer A. STS Encoding
B. STS Duration
C. STS Codes
D. STS Capacity
STS Encoding - Answer • Selective Attention
- select information from sensory memory
• Retrieve from Long Term Store
STS Duration - Answer Brown (1958) : Peterson & Peterson (1959). the Brown-Peterson task
Phase 1
,Present 1 CCC (e.g., MHN)
- delay (0-15 sec) - recall
Results: 100% recall
People rehearse the CCC
Phase 2
Present 1 CCC (e.g., MHA, GRP)
- delay of 0-15s with intervening task
- count backwards by 3's)
- rate of twice per sec.
- this prevents rehearsal of CCC
- then recall CCC
Suggests: simple decay of CCC in STS if prevent rehearsal
STS Code - Answer • Sensory Memory
- basic features
- not semantic
- not linguistic
• Long-Term Store (LTS)
- list of words, recall hours/days later
- intrusion errors usually semantic
(e.g., ship for boat)
• Short-Term Store (STS)
- intrusion errors are usually acoustic!
Wickelgren (1965)
, - list of letters aurally
- substitution errors were acoustic
e.g., Target is "T" but report "D"
Conrad (1964)
- auditory & visual presentation
- found same type of errors: "B" for "V"
Do not substitute "U" for "V" even though is visually more similar
Atkinson & Shiffrin (1968)
• Acoustic Verbal Linguistic code
STS Capacity - Answer • SM very large
• LTS very large
STS Capacity (class DEMO) - Answer 0934
96418
457681
30581
8639695
89054091
10839501
020749486
Short term memory capacity:
Most people will remember 5 to 9 items.
This is sometimes expressed as 7 plus or minus 2.
- limited to about 7 +/- 2 Magical #7 - George Miller
- immediate memory span
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