• 科學研究
    報告題目:

    (珞珈講壇)Ring models for binocular rivalry and fusion

    報告人:

    David McLaughlin(美國科學院院士)

    報告時間:

    報告地點:

    老圖書館

    報告摘要:

    When similar visual stimuli are presented simultaneously to each eye, a single fused or averaged image is the precept; however, when the stimuli are sufficiently distinct, an average is not the percept. Rather, one perceives one image for a brief period of time (a few seconds), then the other, and so forth – with chaotic (in time) jumps between the two percepts. We present three distinct mechanisms that could underlie this phenomena, realizing each in an idealized neuronal model of an entry layer of primary visual cortex. The models are integrate and fire, conductance based point neurons, with an idealized “ring” architecture. Each of the three models capture the rivalry of distinct images, the fusion of similar images, and the transition from fusion to rivalry as the stimuli become more distinct – together with the qualitative properties of rivalry and fusion.

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