| Infant attention and visual preferences: converging evidence from behavior, event-related potentials, and cortical source localization. | |
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MedLine Citation:
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PMID: 20604609 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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In this study, we had 3 major goals. The 1st goal was to establish a link between behavioral and event-related potential (ERP) measures of infant attention and recognition memory. To assess the distribution of infant visual preferences throughout ERP testing, we designed a new experimental procedure that embeds a behavioral measure (paired comparison trials) in the modified-oddball ERP procedure. The 2nd goal was to measure infant ERPs during the paired comparison trials. Independent component analysis (ICA) was used to identify and to remove eye-movement components from the electroencephalographic data, thus allowing for the analysis of ERP components during paired comparison trials. The 3rd goal was to localize the cortical sources of infant visual preferences. Equivalent current dipole analysis was performed on the ICA components related to experimental events. Infants who demonstrated novelty preferences in paired comparison trials demonstrated greater amplitude Negative central ERP components across tasks than infants who did not demonstrate novelty preferences. Visual preference also interacted with attention and stimulus type. The cortical sources of infant visual preferences were localized to inferior and superior prefrontal cortex and to the anterior cingulate cortex. |
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Authors:
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Greg D Reynolds; Mary L Courage; John E Richards |
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Publication Detail:
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Type: Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Developmental psychology Volume: 46 ISSN: 1939-0599 ISO Abbreviation: Dev Psychol Publication Date: 2010 Jul |
Date Detail:
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Created Date: 2010-07-07 Completed Date: 2010-10-12 Revised Date: 2011-01-24 |
Medline Journal Info:
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Nlm Unique ID: 0260564 Medline TA: Dev Psychol Country: United States |
Other Details:
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Languages: eng Pagination: 886-904 Citation Subset: IM |
Affiliation:
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Department of Psychology, University of Tennessee, Knoxville, TN 37996, USA. greynolds@utk.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Attention
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physiology* Brain Mapping* Cerebral Cortex / physiology* Contingent Negative Variation / physiology Cross-Sectional Studies Discrimination (Psychology) / physiology Electrocardiography / methods Electroencephalography / methods Evoked Potentials, Visual / physiology* Female Heart Rate / physiology Humans Infant Infant Behavior / physiology* Male Neuropsychological Tests Pattern Recognition, Visual / physiology Photic Stimulation / methods Principal Component Analysis Reaction Time / physiology Recognition (Psychology) / physiology Time Factors Vision, Ocular / physiology* |
| Grant Support | |
ID/Acronym/Agency:
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R01-HD18942/HD/NICHD NIH HHS; R03-HD05600/HD/NICHD NIH HHS; R37 HD018942-24/HD/NICHD NIH HHS; R37 HD018942-25/HD/NICHD NIH HHS |
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