Pupil Diameter and Load on Memory
- 23 December 1966
- journal article
- research article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 154 (3756), 1583-1585
- https://doi.org/10.1126/science.154.3756.1583
Abstract
During a short-term memory task, pupil diameter is a measure of the amount of material which is under active processing at any time. The pupil dilates as the material is presented and constricts during report. The rate of change of these functions is related to task difficulty.Keywords
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