| Dorsal stream associations with orthographic and phonological processing. | |
MedLine Citation:
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PMID: 16462608 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Several studies have indicated a key role for dorsal stream processing in lexical decoding. To examine this relationship further, performance on orthographic and phonological reading tests was compared with both steady-state visual evoked potentials and a putative behavioral measure of dorsal stream processing, coherent motion detection. Frequency analysis of the visual evoked potential data showed power at the second harmonic to be largely confined to dorsal stream regions, and significantly correlated with motion detection thresholds. Regression analyses showed that orthographic processing was significantly associated with the second harmonic power. Although consistent with previous reports, there remains a question as to why the orthographic visual evoked potential power relationship did not extend to include the coherent motion detection measures. |
Authors:
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Kristofer Kinsey; Peter C Hansen; Christopher H Chase |
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Publication Detail:
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Type: Comparative Study; Journal Article |
Journal Detail:
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Title: Neuroreport Volume: 17 ISSN: 0959-4965 ISO Abbreviation: Neuroreport Publication Date: 2006 Feb |
Date Detail:
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Created Date: 2006-02-07 Completed Date: 2006-05-09 Revised Date: 2008-11-21 |
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: 335-9 Citation Subset: IM |
Affiliation:
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University Laboratory of Physiology, Oxford University, Oxford, Birmingham University, Birmingham, UK. kris.kinsey@physiol.ox.ac.uk |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Adult Brain Mapping Electroencephalography Evoked Potentials, Visual / physiology Humans Motion Perception / physiology* Pattern Recognition, Visual / physiology Phonetics* Photic Stimulation / methods Reading* Sensory Thresholds / physiology Signal Detection, Psychological / physiology* |
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