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  Looking for Discriminating Is Different from Looking for Looking's Sake

Bieg, H.-J., Bresciani, J.-P., Bülthoff, H., & Chuang, L. (2012). Looking for Discriminating Is Different from Looking for Looking's Sake. PLoS ONE, 7(9), 1-9. doi:10.1371/journal.pone.0045445.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-B620-0 Version Permalink: http://hdl.handle.net/21.11116/0000-0001-857D-D
Genre: Journal Article

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Bieg, H-J1, 2, Author              
Bresciani, J-P, Author              
Bülthoff, HH1, 2, Author              
Chuang, LL1, 2, Author              
Affiliations:
1Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497797              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: Recent studies provide evidence for task-specific influences on saccadic eye movements. For instance, saccades exhibit higher peak velocity when the task requires coordinating eye and hand movements. The current study shows that the need to process task-relevant visual information at the saccade endpoint can be, in itself, sufficient to cause such effects. In this study, participants performed a visual discrimination task which required a saccade for successful completion. We compared the characteristics of these task-related saccades to those of classical target-elicited saccades, which required participants to fixate a visual target without performing a discrimination task. The results show that task-related saccades are faster and initiated earlier than target-elicited saccades. Differences between both saccade types are also noted in their saccade reaction time distributions and their main sequences, i.e., the relationship between saccade velocity, duration, and amplitude.

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 Dates: 2012-09
 Publication Status: Published online
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 Identifiers: DOI: 10.1371/journal.pone.0045445
eDoc: e45445
BibTex Citekey: BiegBBC2012
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Title: PLoS ONE
Source Genre: Journal
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Pages: - Volume / Issue: 7 (9) Sequence Number: - Start / End Page: 1 - 9 Identifier: -