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ID: 17158.0, MPI für biophysikalische Chemie / Membranbiophysik (Prof. Erwin Neher)
Modulation sensitivity of ganglion cells in peripheral retina of macaque
Authors:Solomon, S. G.; Martin, P. R.; White, A. J. R.; Ruettiger, L.; Lee, B. B.
Language:English
Date of Publication (YYYY-MM-DD):2002-12
Title of Journal:Vision Research
Volume:42
Issue / Number:27
Start Page:2893
End Page:2898
Review Status:Peer-review
Audience:Not Specified
Abstract / Description:There is ample psychophysical evidence that flicker is more salient in the peripheral than the central visual field, but the physiological basis of this eccentricity-dependant change is unclear. Here, we compared responsivity to temporal modulation of ganglion cells in central and peripheral primate retina. Above 30 Hz modulation frequency, both magnocellular (MC) and parvocellular (PC) pathway cells are more responsive in peripheral retina. This suggests that an increase in high- frequency temporal responsiveness arises in outer retina before the MC and PC pathways diverge. In both central and peripheral retina. the critical fusion frequency of MC cells is higher than that of PC cells. This result is consistent with other evidence that psychophysical flicker sensitivity is mediated by the MC pathway. (C) 2002 Elsevier Science Ltd. All rights reserved.
Free Keywords:contrast; flicker; parvocellular; magnocellular; temporal
Comment of the Author/Creator:Date: 2002, DEC
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für biophysikalische Chemie/Abt. Erwin Neher / 140
External Affiliations:Univ Sydney, Biomed Res Inst, Dept Physiol, F13, Sydney, NSW; 2006, Australia; Univ Sydney, Biomed Res Inst, Dept Physiol, Sydney, NSW 2006, Australia; SUNY, State Coll Optometry, New York, NY 10036 USA
Identifiers:URL:http://www.sciencedirect.com/science?_ob=MImg&_ima...
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