| Effects of intensity and positional predictability of a visual stimulus on simple reaction time. | |
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MedLine Citation:
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PMID: 20974219 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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The influence of visual stimuli intensity on manual reaction time (RT) was investigated under two different attentional settings: high (Experiment 1) and low (Experiment 2) stimulus location predictability. These two experiments were also run under both binocular and monocular viewing conditions. We observed that RT decreased as stimulus intensity increased. It also decreased as the viewing condition was changed from monocular to binocular as well as the location predictability shifted from low to high. A significant interaction was found between stimulus intensity and viewing condition, but no interaction was observed between neither of these factors and location predictability. These findings support the idea that the stimulus intensity effect arises from purely sensory, pre-attentive mechanisms rather than deriving from more efficient attentional capture. |
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Authors:
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Luiz Renato Rodrigues Carreiro; Hamilton Haddad; Marcus Vinicius Chrysóstomo Baldo |
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Publication Detail:
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Type: Journal Article Date: 2010-10-23 |
Journal Detail:
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Title: Neuroscience letters Volume: 487 ISSN: 1872-7972 ISO Abbreviation: Neurosci. Lett. Publication Date: 2011 Jan |
Date Detail:
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Created Date: 2010-12-27 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7600130 Medline TA: Neurosci Lett Country: Ireland |
Other Details:
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Languages: eng Pagination: 345-9 Citation Subset: IM |
Copyright Information:
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Copyright © 2010 Elsevier Ireland Ltd. All rights reserved. |
Affiliation:
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Developmental Disorders Program, Center for Health and Biological Sciences, Mackenzie Presbyterian University, Rua da Consolação, 896, Prédio 38/Térreo, Centro, 01302-907 São Paulo, SP, Brazil. renato.carreiro@gmail.com |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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