Continuous Performance Task

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The Continuous Performance Task, or CPT, is a psychological test that consists of a series of stimuli. The subject is instructed to watch or listen for a particular stimuli and respond when they sense it. A common variant, the "N-back task", instructs them to give the stimuli N previous to the target.

[edit] Examples of N-back task

  • 1-back
A G T T S T S S A G T G G S

      Y       Y         Y


  • 2-back
A G T T S T S S A G T G G S

          Y Y         Y


  • 3-back
A G T T S T S S A G T G G S

          Y   Y         Y


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