Examination — Working Memory

Examination II

Working Memory

Dual-Modality Span

Positions on a grid and spoken letters, presented together. Report matches N steps back.

Stop rule

Three seconds a trial, N + 20 trials a block. N rises above d′ 0.85; a block under 0.70 is a fail. Ends when a level is failed twice.

Duration5–8 min
Lifetime best
FacultyMemory
Institution median
The next mark

Select N

Higher N demands a longer memory span. The level may adjust as you practise.


Train to the edge. Recover. Return.