Memory Flashcards
Types of LTM
Episodic and semantic study
Tulving
6 volunteers
Radioactive gold scanned using gamma ray detector
3- inconclusive data
3- consistent difference- episodic is front of brain and semantic is back of brain
Types of LTM
Procedural memory - study
Corkin HM
multi store model of memory psychologists
Atkinson and shiffrin
Working memory model psychologists
Braddeley and hitch
Evidence for central executive study
Bunge et al
Used MRI found same brain areas were active in dual and single tasks but there was significantly more in duel tasks
Factors affecting EWT
Leading questions study
Loftus- different groups were given a different verb when asked what speed the car was moving
Contacted - ‘31.5 mph’
Smashed - 40.5 mph
Factors affecting EWT
why do leading questions effect recall
Response bias explanation. - no effect in memory just how they chose to answer
Substitution explanation - changes participants memory
Factors effecting EWT
Post event discussion , study
Gabbert et al
71 percent recalled aspects of crime they didn’t actually see
Factors affecting EWT - anxiety
What explains contradictory finding
The yerks- Dodson law
Factors effecting EWT
Anxiety - positive effect study
Johns and Judith
Real life shooting in Canada
Interview 4-5 months after event
Accuracy determined by number of details that matched original account
Reported highest levels of stress where most accurate
Factors effecting EWT
Negative effect of recall study
Johnson and Scott
Tunnel theory
43% - pen
33% - knife
Enhanced cognitive interview psychologist
Fisher et al added
- open ended questions
- never interrupt
- never be judgemental