The time-intensity relation in visual perception as a function of observer's task

Daniel Kahneman; Joel Norman

doi:10.1037/h0046097

The time-intensity relation in visual perception as a function of observer's task

Daniel Kahneman, Joel Norman

Department of Psychology

Research output: Contribution to journal › Article › peer-review

Abstract

The duration-intensity relationship was investigated for a task in which triads of digits were to be identified. Critical durations (t_c) of 200-350 msec. were found for 5 Ss. Under identical stimulus conditions t_c for subjective brightness, determined by a matching method, was about 100 msec. for 2 of the Ss. It was concluded that t_c varies as a function of perceptual task and that it does not represent the duration of an early "sensory" phase of the visual process. (21 ref.) (PsycINFO Database Record (c) 2006 APA, all rights reserved).

Original language	English
Pages (from-to)	215-220
Number of pages	6
Journal	Journal of Experimental Psychology
Volume	68
Issue number	3
DOIs	https://doi.org/10.1037/h0046097
State	Published - Sep 1964

Keywords

PERCEPTION
VISUAL PERCEPTION, TIME-INTENSITY RELATION IN, AS FUNCTION OF OBSERVERS TASK

ASJC Scopus subject areas

General Medicine

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10.1037/h0046097

Cite this

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AB - The duration-intensity relationship was investigated for a task in which triads of digits were to be identified. Critical durations (tc) of 200-350 msec. were found for 5 Ss. Under identical stimulus conditions tc for subjective brightness, determined by a matching method, was about 100 msec. for 2 of the Ss. It was concluded that tc varies as a function of perceptual task and that it does not represent the duration of an early "sensory" phase of the visual process. (21 ref.) (PsycINFO Database Record (c) 2006 APA, all rights reserved).

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The time-intensity relation in visual perception as a function of observer's task

Abstract

Keywords

ASJC Scopus subject areas

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