memory

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  • Memory
    • Multi sotre modle
      • Evaluation
      • Outline
    • Working memory model
      • Outline
        • Baddely & Hitch (1974) - proves there is more than one component to STM
        • Central executive --> control system, monitors, coordinates and directs the operation of the slave systems (visio-spatal, eposodic, phonological), allocates attention, no storage capacity
        • Visio-spatal scratch pad --> works as 'inner eye' - responsible for visual slatal coding (writing pad for remembering data), information only temporarily stored here, Logue (1995) suggested it could be divided into a visual cache (store) and inner scribe
        • Eposodic buffer --> general store - up to 18 secs (STM), limited capacity, intergrated information from slave systems + LTM
        • Phonological loop --> 2 parts: articulatory control system (rehursal of sounds - inner voice) responsible for acoustic encoding and phonological store (holds the words you hear - inner ear), limited capacity
      • Evaluation
        • Positives
          • ehursal not the only means of transferring information - only a component within articulatory loop. also a extrememly influential model
          • PET brain scans show different parts of the brain are used whilst undertaking verbal and visual tasks - correspond with components of WMM.
          • explains STM in terms of temporary storage and active processing - unlike MSM
          • ttempts to explain how memory functions - phonological loop helps us understand complex text and learn vocab e.g. not operative in some with dyslexia.
          • Brain damaged patient KF could remember visual but not verbal stimuli --> STM must be at least 2 systems --> disproves MSM
        • Negatives

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