| An electrophysiological study of the mental rotation of polygons. | |
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MedLine Citation:
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PMID: 8080977 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Reaction times and event-related potentials (ERPs) were recorded during a task requiring subjects to decide whether two sequentially presented polygons had the same shape regardless of differences in orientation. Reaction times increased approximately linearly with angular departure from upright orientation, which suggests that mental rotation was involved in the comparison process. The ERPs showed, between 665 and 1055 ms, a late posterior negativity also increasing with angular disparity from upright, which we assumed to reflect mental rotation. Two other activities were exhibited, from 265 to 665 ms, which may be related either to an evaluation of the stimulus or a predetermination of its orientation, and from 1055 to 1600 ms attributed to the decision process. |
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Authors:
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A Pierret; F Peronnet; M Thevenet |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Neuroreport Volume: 5 ISSN: 0959-4965 ISO Abbreviation: Neuroreport Publication Date: 1994 May |
Date Detail:
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Created Date: 1994-10-11 Completed Date: 1994-10-11 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 9100935 Medline TA: Neuroreport Country: ENGLAND |
Other Details:
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Languages: eng Pagination: 1153-6 Citation Subset: IM |
Affiliation:
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Laboratoire de recherche sur les signaux et processus cérébraux, INSERM-UNITE 280, Lyon, France. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Electrophysiology Evoked Potentials, Visual / physiology Form Perception / physiology Humans Imagination / physiology* Male Reaction Time / physiology Rotation |
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