Module 1 Cognitive Psychology

Gurdev Manchanda
Mind Map by , created almost 5 years ago

AS Psychology unit 1 cognitive psychology memory. not finished yet but I hope it helps

Gurdev Manchanda
Created by Gurdev Manchanda almost 5 years ago
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Module 1 Cognitive Psychology
1 Models of Memory
1.1 Multi store memory model
1.1.1 Atkinson and Shiffrin 1971 memory consists of three memory stores Sensory store duration: few seconds don't pay attenion to the new info, will decay first store- info from sensory input Short term memory duration: max 30 secs average 18 secs PETERSON AND PETERSON 1959 presented trigrams through headphones distraction task- avoid rehearsal- ensure testing STM count backwards from 100 in threes findings retention interval increased= percentage correct decreased at 0 secs, correct was 90% at 18 secs, correct was 5% capacity: 7+-2 items JACOBS 1890 investigated serial digit span precisely presented an item every half second used letters and digits findings average digit span : just over 9 average span for letters: just over 7 attention moves info to LTM stm is full, old info is displaced or decay info encoding: info is stored acoustically, works better with sound BADDELEY 1966 2 lists: acoustically similar and dissimilar Long term memory duration: unlimited at least 48 years BAHRICK ET AL recall of yearbook photos criticism: naturalistic test of memory criticism: lack of controls capacity: unlimited retrieval failure encoding: LTM predominantly semantic encoding BADDELEY 1966 2 lists of words - semantically similar and dissimilar stimulus impinges on senses- info passes from stores
1.1.2 criticisms Coding in STM is not always phonetic
1.2 Working Memory Model
2 Memory in everyday life
2.1 Eye witness testimony
2.2 Memory improvement