A01

• intro

  • baddeley and hitch
  • a model of STM that is a non- unitary store and an active processor
• central executive

  • involved in reasoning and decision making 
  • allocates/organises tasks and info to the 3 slave systems 

  Limited capacity 

  Modality free coding 
• phonological loop

  • temporary storage system for auditory info
  • phonological store= stores what you hear 
  • articulatory processer=allows maintenance of rehearsal to keep info in working memory 

  2 second capacity 

  Acoustically coded 
• visuospatial sketchpad

  • temporary storage system for spatial and visual info 
  • visual cache-stores visual data e.g. shape or colour 
  • inner scribe= arrangement of objects

  Limited 3 to 4 objects

  Visually coded
• episodic buffer

  • temporary store of info 
  • integrates data processed by other stores eg visual, verbal etc 
  • crucial for linking stm and ltm

  Limited capacity-4 chunks 

  Modality free coding