Effects of Grouping on the Pupillary Response in a Short-Term Memory Task
- 1 August 1968
- journal article
- research article
- Published by SAGE Publications in Quarterly Journal of Experimental Psychology
- Vol. 20 (3) , 309-311
- https://doi.org/10.1080/14640746808400168
Abstract
Subjects heard strings of nine digits for immediate recall, either at a monotone 1/sec. rate or in groups of three digits separated by pauses. Concurrent measurements of pupil size show a steady dilation in the monotone condition, and brief dilation-constriction waves during the pauses of grouped presentation. The results are consistent with hypotheses concerning rehearsal in the two modes of presentation. Pupillary dilations apparently accompany episodes of covert rehearsal.Keywords
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