short-term memory

short-term memory

1. rehearsal

   • the process of repeating information over and over to retain it in short-term memory

2. duration

   • 18 seconds max unless rehearsed
     • Brown-Peterson Task
       • The Brown–Peterson task is typically used to evaluate short-term memory (for the immediate and delayed recall) and the interference condition is used to assess divided attention and information processing often associated with the notion of working memory and executive functions

3. capacity

   • 7 + 2 bits of info
     • memory span task
       • Miller claimed that STM can hold only about 7 plus-or-minus 2 (that is, from 5 to 9) “chunks” at once
         • chunk
           • an organized unit of information, such as a digit, word or phrase
           • chunking
             • the process of taking individual pieces of information and grouping them into larger units