Multi-store model of memory

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  • Created by: erobins34
  • Created on: 06-04-15 10:38
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  • Multi-store model of memory
    • Sensory memory
      • Composed of several stores
        • Eyes
        • Ears
        • Nose
        • Fingers
      • Constantly receiving information
      • Info remains here for a very brief period
        • Requires attention focused on an object to be transferred to STM
          • Short-term memory
            • Info here will decay relatively quickly if it is not reheasred
              • Maintenance Rehearsal
                • Long-term memory
                  • The more info is rehearsed the better it is remembered
                  • Potentially unlimited capacity
                  • Serial position effect
                    • Short-term memory
                      • Info here will decay relatively quickly if it is not reheasred
                        • Maintenance Rehearsal
                          • Long-term memory
                            • The more info is rehearsed the better it is remembered
                            • Potentially unlimited capacity
                            • Serial position effect
                              • Glanzer and Cunitz
                                • Gave ppts a list of 20 words and asked them to recall
                                  • Tended to remember the words at the beginning and at the end but not in the middle
                                    • Primacy effect
                                      • Linked to LTM because the words at the beginning had been better rehearsed and so were stored in LTM
                                    • Recency effect
                                      • Linked to STM because the words at the end were remembered because still in the STM capacity
                            • Squire at al
                              • Separate area of the brain active when LTM is engaged
                                • Hippocampus
                            • LTM not one unitary store
                              • Schachter et al
                                • Found evidence for 4 different long term stores
                                  • Procedural memory (reading or riding a bike)
                                  • Episodic memory (what you did yesterday/last week)
                                  • Perceptual representation system (PRS) memory
                                  • Semantic memory (knowledge of world e.g words)
                      • Info will also decay if new info enters STM
                        • Original info gets displaced by the new info
                      • Limited capacity
                      • Beardsley
                        • Separate area of the brain that is active when doing STM tasks
                          • Prefrontal cortex
                      • STM not a unitary store
                        • KF
                          • Suffered brain damage
                            • Difficulty dealing with verbal info in STM but normal ability to process visual info
                    • Glanzer and Cunitz
                      • Gave ppts a list of 20 words and asked them to recall
                        • Tended to remember the words at the beginning and at the end but not in the middle
                          • Primacy effect
                            • Linked to LTM because the words at the beginning had been better rehearsed and so were stored in LTM
                          • Recency effect
                            • Linked to STM because the words at the end were remembered because still in the STM capacity
                  • Squire at al
                    • Separate area of the brain active when LTM is engaged
                      • Hippocampus
                  • LTM not one unitary store
                    • Schachter et al
                      • Found evidence for 4 different long term stores
                        • Procedural memory (reading or riding a bike)
                        • Episodic memory (what you did yesterday/last week)
                        • Perceptual representation system (PRS) memory
                        • Semantic memory (knowledge of world e.g words)
            • Info will also decay if new info enters STM
              • Original info gets displaced by the new info
            • Limited capacity
            • Beardsley
              • Separate area of the brain that is active when doing STM tasks
                • Prefrontal cortex
            • STM not a unitary store
              • KF
                • Suffered brain damage
                  • Difficulty dealing with verbal info in STM but normal ability to process visual info

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