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The role of eye movements in subitizing and counting
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Watson, Derrick G. , Maylor, Elizabeth A. and Bruce, Lucy A. M. (2007) The role of eye movements in subitizing and counting. Journal of Experimental Psychology: Human Perception and Performance, Vol.33 (No.6). pp. 1389-1399. doi:10.1037/0096-1523.33.6.1389 ISSN 0096-1523.
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Official URL: http://dx.doi.org/10.1037/0096-1523.33.6.1389
Abstract
Previous work has suggested that eye movements may be necessary for accurate enumeration beyond the subitization range of about 4 items. This study determined the frequency of eye movements normally made during enumeration, their relationship to response times, and whether they are required for accurate performance. This was achieved by monitoring eye movements and comparing performance when observers were allowed to saccade and when they were not. The results showed that (a) there was a sharp increase in saccadic frequency beyond about 4 items (from < 0.2 saccades per item to about I per item), and (b) enumeration of fewer than 4 items remained rapid and accurate even when eye movements were prevented, whereas enumeration beyond this became less efficient and sometimes less accurate. The results are discussed in relation to the memory and processing requirements of enumeration tasks.
Item Type: | Journal Article | ||||
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Subjects: | B Philosophy. Psychology. Religion > BF Psychology | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Psychology | ||||
Library of Congress Subject Headings (LCSH): | Eye — Movements, Visual perception, Numeration , Number concept, Human information processing | ||||
Journal or Publication Title: | Journal of Experimental Psychology: Human Perception and Performance | ||||
Publisher: | American Psychological Association | ||||
ISSN: | 0096-1523 | ||||
Official Date: | December 2007 | ||||
Dates: |
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Volume: | Vol.33 | ||||
Number: | No.6 | ||||
Number of Pages: | 11 | ||||
Page Range: | pp. 1389-1399 | ||||
DOI: | 10.1037/0096-1523.33.6.1389 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Funder: | Economic and Social Research Council (Great Britain) (ESRC) | ||||
Grant number: | R000239180 (ESRC) |
Data sourced from Thomson Reuters' Web of Knowledge
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