Short-term and working memory tasks

A small set of items must be held, and sometimes manipulated, over a delay of seconds before a probe or reproduction; span, capacity or set-size effects are the measures.

This family contains 7 tasks.

Task

Short definition

Processes

Change Detection Task

Brief sample array followed after a blank delay by a probe array; participant reports whether any item changed…

4

Corsi Block-Tapping Task

Experimenter taps a sequence on spatially arranged blocks; participant reproduces the sequence forward or back…

4

Delayed Match-to-Sample Task

Sample stimulus followed by a delay and then a probe or choice array; response indicates whether the probe mat…

4

Digit Span Task

Auditory or visual digit sequences reproduced in forward or backward order; longest correctly reproduced lengt…

5

N-Back Task

Continuous stream in which each item must be compared to the one n items back; accuracy and RT index working m…

5

Operation Span Task

Alternating arithmetic verification and word/letter memory items; complex-span score indexes working memory ca…

5

Sternberg Item Recognition Task

Short memory set followed by a probe; yes/no judgment of set membership. RT typically scales linearly with set…

5