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Science 6 November 1987:
Vol. 238. no. 4828, pp. 778 - 780
DOI: 10.1126/science.3672124
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Articles

Science, Vol 238, Issue 4828, 778-780
Copyright © 1987 by American Association for the Advancement of Science

articles

Dynamics of automatic and controlled visual attention

E Weichselgartner and G Sperling

Psychology Department, New York University, NY 10003.

The time course of attention was experimentally observed using two kinds of stimuli: a cue to begin attending or to shift attention, and a stimulus to be attended. Precise measurements of the time course of attention show that it consists of two partially concurrent processes: a fast, effortless, automatic process that records the cue and its neighboring events; and a slower, effortful, controlled process that records the stimulus to be attended and its neighboring events.


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Science. ISSN 0036-8075 (print), 1095-9203 (online)