Chapter 5: Working Memory

Chapter 5: Working Memory

1. Central Executive

   • Responsible for control & coordination of operations such as reasoning & memory.
   • Supervises the articulatory loop & the visuo-spacial scratchpad.
   • Interacts with LTM
   • Mixed Model
     • Attention Switching
       • back and forth between storage & processing
     • Resource Sharing
       • Some support to suggest, as storage capacity increases, processing slows down.
   • SAS Model: Supervisory Attentional System
     • Baddeley
     • System can be fractionated into: focusing; dividing & switching attention; using attention to access information.

2. Visio-spacial Sketchpad

   • Separate resources for visuo-spacial and verbal WM processing
     • Mutual interference suggests involvement of common resource.