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EnglishStudied monocular and binocular visual evoked potentials (VEPs) in response to different check sizes (15, 21, 38, and 84 min of arc) in 14 adults with normal visual acuity and stereopsis. The binocular VEP amplitude was slightly higher than the VEP amplitude on stimulation of the better eye and significantly higher than the VEP amplitude on stimulation of the worse eye; this effect was observed using small checks and almost exclusively involved N75-P100. Both the N75 and P100 peaks occurred earlier after binocular than after monocular stimulation. The shortening of the N75 mean latency was significantly greater than that of the P100 mean latency when larger check sizes were used. The mean latency of the N145 potential was not significantly different in monocular and binocular stimulus conditions. Data are not consistent with the hypothesis that it is the sum of separate monocular signals originating from the visual cortex that gives rise to the response. ((c) 1998 APA/PsycINFO, all rights reserved)
| Titolo: | Binocular interaction in normal vision studied by pattern-reversal visual evoked potentials (PR-VEPS) |
| Autori: | |
| Data di pubblicazione: | 1997 |
| Rivista: | |
| Abstract: | Studied monocular and binocular visual evoked potentials (VEPs) in response to different check sizes (15, 21, 38, and 84 min of arc) in 14 adults with normal visual acuity and stereopsis. The binocular VEP amplitude was slightly higher than the VEP amplitude on stimulation of the better eye and significantly higher than the VEP amplitude on stimulation of the worse eye; this effect was observed using small checks and almost exclusively involved N75-P100. Both the N75 and P100 peaks occurred earlier after binocular than after monocular stimulation. The shortening of the N75 mean latency was significantly greater than that of the P100 mean latency when larger check sizes were used. The mean latency of the N145 potential was not significantly different in monocular and binocular stimulus conditions. Data are not consistent with the hypothesis that it is the sum of separate monocular signals originating from the visual cortex that gives rise to the response. ((c) 1998 APA/PsycINFO, all rights reserved) |
| Handle: | http://hdl.handle.net/11562/303889 |
| Appare nelle tipologie: | 01.01 Articolo in Rivista |
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