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| Research article summary (published 29 Jun 2003): |
Simultaneously recording local luminance responses, spatial and temporal interactions in the visual system with m-sequences.
Full Abstract
In this paper, an extended multifocal VEP/ERG paradigm, referred to as the unified multifocal electroretinography and visual evoked potential paradigm (UMEV), is presented. This paradigm allows a simultaneous recording of luminance responses, temporal interactions, spatial interactions and spatial-temporal interactions. Two studies were conducted to demonstrate the capability and validity of the UMEV. The results show that the UMEV system derives a significant spatial interaction VEP in addition to a similar luminance response (mfERG) and pattern reversal VEP (mfVEP) to the VERIS system. Second, the amplitude of spatial interaction VEP is diminished by increasing the distance between two stimuli while the amplitude of temporal interaction VEP remain relatively unchanged.
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Author information
Author/s: Zhang, Xian (X);
Affiliation: Columbia University, 406 Schermerhorn Hall, 1190 Amsterdam Avenue, Mail Code 5501, New York City, NY 10027, USA.
Grants: R01-EY-02115 (Agency:United States NEI)
Journal and publication information
Publication Type: Comparative Study; Journal Article; Research Support, U.S. Gov't, P.H.S.
Journal: Vision research (Vision Res), published in England. (Language: eng)
Reference: 2003-Jul; vol 43 (issue 15) : pp 1689-98
Dates: Created 2003/06/11; Completed 2003/08/12; Revised 2007/11/14;
PMID: 12798150, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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