explanations for forgetting


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  • Created by: Humanur
  • Created on: 05-06-21 22:44
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  • explanations for forgetting
    • interference theory: suggests we forget because our long term memories become disrupted by other information whilr it is coded
      • research
        • Baddeley and Hitch
          • asked rugby players to recall the names of rugby teams they've played against
            • more influenced by the amount of teams they played against
          • investigated 2 types offorgetting: trace decay, interference
        • on effects of similarity
          • McGeoch and McDonald
            • in both pi and ri interference is worse when there are similarities
              • participants had to memorise a list of 10 words until they were 100% accurate then they learned a new list
                • m+m found that words with similar meaning as the original list was the worst recall therefore interference is strongest when memories are similar
      • retroactive interference: new information disrupt old
    • retrieval failure
      • cue dependent forgetting: information is in ltm but can recall due to lack of appropriate cues(time, place)
        • state dependent cues: internal enviroment as cues
      • research
        • Durely et al
          • found that participants that hid their money while high were better at finding where it was when high high again
        • Godden and Braddeley
          • argued context was very important so they asked deep sea divers to memorise lists against 4 different conditions
            • land-land water-land water-water
              • most acurate recall was when they were in the same enviroment
        • Abernethy
          • found context dependent forgetting was a factor in learning experiences
            • experiment: 1) same teacher taught and asked torecall in same room 2) a different teacher asked for recall in a different room
              • condition 1 had a much better rates of recall
        • Overton
          • asked participants to learn a list drunk/sober and recall sober/drunk, parpants that recalled in the same state had higher success rate
  • evaluation
    • strength: evidence of interference in real life
      • counterpoint: researchers can create ideal conditions
      • ecological validity
    • limitation: interference is temporary and can be overcome by cues
      • Tulving gave people lists organised into unknown categories
        • recall averaged to 70% at first them progressively got worse until they were given cues by the name of the categories
    • strength: evidence of retrograde facilitation
      • Coehan and Luijtelaar: drug/placebo/list-> list/list/drug-> 1 week-> recall= poor/good/better
        • the drug stops the brain from reaching parts of the brain processing memories
    • interference theory: suggests we forget because our long term memories become disrupted by other information whilr it is coded
      • research
        • Baddeley and Hitch
          • asked rugby players to recall the names of rugby teams they've played against
            • more influenced by the amount of teams they played against
          • investigated 2 types offorgetting: trace decay, interference
        • on effects of similarity
          • McGeoch and McDonald
            • in both pi and ri interference is worse when there are similarities
              • participants had to memorise a list of 10 words until they were 100% accurate then they learned a new list
                • m+m found that words with similar meaning as the original list was the worst recall therefore interference is strongest when memories are similar
      • retroactive interference: new information disrupt old

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