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  • Title: Brightness shift in drifting ramp gratings isolates a transient mechanism.
    Author: Cavanagh P, Anstis SM.
    Journal: Vision Res; 1986; 26(6):899-908. PubMed ID: 3750873.
    Abstract:
    A brightness shift is demonstrated for moving ramp stimuli. The data suggest that the transient visual response to changing luminance is combined with the sustained response to produce an overall impression of brightness. We attribute the brightness shift to the saturation of the transient response: a limitation on the maximum transient when responding to rapid brightening or dimming. The brightness shift provides a new technique for isolating the responses of the transient mechanisms.
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