NASA Technical Reports Server (NTRS) : Pupil pdf

NASA Technical Reports Server (NTRS) : Pupil

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A study of eight adults given active and passive search tasks showed that evoked pupillary response was sensitive to information processing demands. In particular, large pupillary diameter was observed in the active search condition where subjects were actively processing information relevant to task performance, as opposed to the passive search (control) condition where subjects passively viewed the displays. However, subjects may have simply been more aroused in the active search task. Of greater importance was that larger pupillary diameter, corresponding to longer search time, was observed for noncoded than for color-coded displays in active search. In the control condition, pupil diameter was larger with the color displays. The data indicate potential usefulness of pupillary responses in evaluating the information processing requirements of visual displays

• Creator/s: NASA Technical Reports Server (NTRS
• Date: 5/1/1988
• Year: 1988
• Book Topics/Themes: NASA Technical Reports Server (NTRS), ALERTNESS, EVOKED RESPONSE (PSYCHOPHYSIOLOGY), PUPILS, WORKLOADS (PSYCHOPHYSIOLOGY), BODY MEASUREMENT (BIOLOGY), DISPLAY DEVICES, Backs, Richard W., Walrath, Larry C

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