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Four-sight in hindsight: The existence of magical numbers in vision

Published online by Cambridge University Press:  30 October 2001

Ronald A. Rensink
Ronald A. Rensink
Affiliation:
Cambridge Basic Research, Nissan Technical Center North America, Inc., Cambridge, MA 02171-1494 [email protected] www.cbr.com/~rensink/
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Abstract

The capacity of visual attention/STM can be determined by change-detection experiments. Detecting the presence of change leads to an estimate of 4 items, while detecting the absence of change leads to an estimate of 1 item. Thus, there are two magical numbers in vision: 4 and 1. The underlying limits, however, are not necessarily those of central STM.

Type
Brief Report
Information
Behavioral and Brain Sciences , Volume 24 , Issue 1 , February 2001 , pp. 141 - 142
Copyright
© 2001 Cambridge University Press

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