Capacity In Memory AO1

• Miller - STM capacity


  7±2 chunks of information
• STM capacity


  Just as easy to recall 5 words as 5 letters
• LTM capacity


  Potentially unlimited
• Linton - LTM capacity evidence


  • Keeping a diary of 11,000 personal events and testing herself monthly, findings she had excellent recall
• Sensory register


  • Large capacity
  • Short duration (can't be accessed)
• Sperling experiment


  1. Presented a grid of digits and letters for a short duration

  2. Asked to write down the 12, or played a tone which indicated the row

  3. When asked to recall all of it they could recall 42%

  4. When just one row they could recall 75%
• The capacity of sensory memory is large