Effects of adaptation on the temporal envelope of amplitude-modulated flickering light
Effects of adaptation on the temporal envelope of amplitude-modulated flickering light
复制标题
自适应对调幅闪烁光时间包络的影响
DOI:
10.1016/j.visres.2011.04.014
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发表时间:
2011
期刊:
影响因子:
1.8
通讯作者:
Seiji Nakagawa
中科院分区:
文献类型:
--
作者:
Yosuke Okamoto;Seiji Nakagawa
This study sought to investigate the way in which the temporal envelope of amplitude-modulated (AM) flickering light is processed in the visual system. To this end, we measured the effects of adaptation on a low-frequency (2 Hz) envelope of AM flickering light with a high carrier frequency (16 Hz). The results showed that sensitivity to the envelope of the AM flickering light was reduced by adaptation to the low temporal frequency, although the AM flickering light had a frequency component at the carrier frequency but not at the frequency corresponding to the envelope. These results suggest that the low-frequency temporal envelope, composed exclusively of high-frequency (first order) Fourier energy, is encoded by a low-frequency selective channel.
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