Abstract：
: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.
journal_name
Vision Resjournal_title
Vision researchauthors
Solomon SG,Martin PR,White AJ,Rüttiger L,Lee BBdoi
10.1016/s0042-6989(02)00414-5subject
Has Abstractpub_date
2002-12-01 00:00:00pages
2893-8issue
27eissn
0042-6989issn
1878-5646pii
S0042698902004145journal_volume
42pub_type
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