Types of Memory

Types of Memory

1. Sensory

   • Holds 1 frame of information
   • Background noise
   • Out of focus vision
   • Duration
     • 0.5 seconds

2. Long-Term

   • Capacity
     • Unlimited
     • Unable to retrieve some information
   • Duration
     • Bahrick et al
     • Unlimited
     • Used school photos up to 47 years after graduation
   • Encoding
     • Baddeley
     • Mainly semantic
       • Meaning in language

3. Short-Term

   • Capacity
     • Miller
     • 7+/- 2
       • Chunks of information
   • Duration
     • Peterson & Peterson
     • 18 seconds
     • People recalled trigrams after periods of time
   • Encoding
     • Baddeley
     • Mainly acoustic