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  Visual object detection, categorization, and identification tasks are associated with different time courses and sensitivities

de la Rosa, S., Choudhery, R., & Chatziastros, A. (2011). Visual object detection, categorization, and identification tasks are associated with different time courses and sensitivities. Journal of Experimental Psychology: Human Perception and Performance, 37(1), 38-47. doi:10.1037/a0020553.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-BC9A-A Version Permalink: http://hdl.handle.net/21.11116/0000-0003-1CCD-8
Genre: Journal Article

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de la Rosa, S1, 2, 3, Author              
Choudhery, RN1, 2, Author              
Chatziastros, A1, 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              
3Project group: Cognitive Engineering, Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_2528702              

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 Abstract: Recent evidence suggests that the recognition of an object's presence and its explicit recognition are temporally closely related. Here we re-examined the time course (using a fine and a coarse temporal resolution) and the sensitivity of three possible component processes of visual object recognition. In particular, participants saw briefly presented (Experiment I to III) or noise masked (Experiment IV) static images of objects and non-object textures. Participants reported the presence of an object, its basic level category, and its subordinate category while we measured recognition performance by means of accuracy and reaction times. All three recognition tasks were clearly separable in terms of their time course and sensitivity. Finally, the use of a coarser temporal sampling of presentation times decreased performance differences between the detection and basic level categorization task suggesting that a fine temporal sampling for the dissociation of recognition performances is important. Overall the three probed recognition processes were associated with different time courses and sensitivities.

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 Dates: 2011-02
 Publication Status: Published in print
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 Identifiers: DOI: 10.1037/a0020553
BibTex Citekey: delaRosaCC2011
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Title: Journal of Experimental Psychology: Human Perception and Performance
Source Genre: Journal
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Publ. Info: Washington : American Psychological Association (PsycARTICLES)
Pages: - Volume / Issue: 37 (1) Sequence Number: - Start / End Page: 38 - 47 Identifier: ISSN: 0096-1523
CoNE: /journals/resource/954927546243