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Pupil Size in Relation to Mental Activity during Simple Problem-Solving

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Science  13 Mar 1964:
Vol. 143, Issue 3611, pp. 1190-1192
DOI: 10.1126/science.143.3611.1190

Article Information

vol. 143 no. 3611 1190-1192

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Author Information

  1. Eckhard H. Hess1,
  2. James M. Polt1
  1. 1Department of Psychology, University of Chicago, Chicago 37, Illinois

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