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Cited by 1,906

The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.

Tracking multiple independent targets: Evidence for a parallel tracking mechanism*

Pylyshyn, Zenon W., Storm, Ron W.·1988·Spatial Vision

Abstract

There is considerable evidence that visual attention is concentrated at a single locus in the visual field, and that this locus can be moved independent of eye movements. Two studies are reported which suggest that, while certain aspects of attention require that locations be scanned serially, at least one operation may be carried out in parallel across several independent loci in the visual field. That is the operation of indexing features and tracking their identity. The studies show that: (a) subjects are able to track a subset of up to 5 objects in a field of 10 identical randomly-moving objects in order to distinguish a change in a target from a change in a distractor; and (b) when the speed and distance parameters of the display are designed so that, on the basis of some very conservative assumptions about the speed of attention movement and encoding times, the predicted performance of a serial scanning and updating algorithm would not exceed about 40% accuracy, subjects still manage to do the task with 87% accuracy. These findings are discussed in relation to an earlier, and independently motivated model of feature-binding--called the FINST model--which posits a primitive identity maintenance mechanism that indexes and tracks a limited number of visual objects in parallel. These indexes are hypothesized to serve the function of binding visual features prior to subsequent pattern recognition.

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Metadata

Authors
Pylyshyn, Z. W., & Storm, R. W.
Venue
Spatial Vision
Published
1988
Volume
3
Issue
3
Pages
179-197
ISSN
  • 0169-1015 (ISSN-L)
  • 1568-5683
OpenAlex
W2015634454
Cited by
1,906
References
3
FWCI
12.16
Type
journal article
Language
en
Open access
closed

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