Memory models

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  • MEMORY MODELS
    • Multi-store Model
      • Attkinson & Shiffrin (1968)
      • STM
        • 7+/- 2 chunks capacity
        • 18 secs duration
          • Acoustic coding
      • LTM
        • Unlimited capacity
        • Lifetime duration
          • Semantic coding
        • Types of LTM
          • Episodic
          • Semantic
          • Procedural
          • Evidence
            • Clive Wearing
            • HM
            • Tulving
      • Sensory register
        • Unlimited capacity
        • Millisecond duration
          • Echoic, iconic coding
      • Strengths
        • First study to explain memory
        • Good as an overview
        • Explains how we transfer info from STM to LTM
        • Lots of empirical support
      • Weaknesses
        • Linear
        • Flashbulb memories
        • Simplistic
        • Only shows 1 store for STM & LTM
        • Doesn't explain forgetting in LTM
    • Working Memory Model
      • Baddeley & Hitch (1974)
      • Central Executive
        • Limited capacity
        • Overall control
        • Multi-Model
      • Phonological loop
        • Limited capacity
        • Temporary storage for verbal speech based info
        • "inner voice"
      • Visuo-spatial sketchpad
        • Limited capacity
        • Temporary storage for visual & spatial based info
        • "inner eye"
      • Strengths
        • Explains brain damaged patients
        • Active process
        • Lots of empirical support
          • KF case study
          • Baddeley (1996)
        • Helps understand disorders and individual difference
      • Weaknesses
        • Too simplistic
        • Should link to LTM
        • Doesn't account for other senses
        • Doesn't account for musical memory

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