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Facilitatory interactions between flashed lines.

R A Smith·P Cass
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Abstract

The detectability of pairs of flashed lines was investigated as a joint function of their separation in both space and time. In contrast to previous studies of contrast interactions as a function of either spatial or temporal separation alone, the predominant interaction is not lateral inhibition, but a delayed facilitation. A quantitative model based on probability summation between lateral-inhibitory detectors does not appear able to account for these results. Two related explanations are suggested: either a motion detection system or the nonlinear 'transient' subsystem is being tapped.

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HumansModels, NeurologicalMotion PerceptionNeural InhibitionPhotic StimulationProbabilityRetinaSensory ThresholdsSpace PerceptionTime FactorsVisual FieldsVisual PerceptionJournal ArticleResearch Support, U.S. Gov't, Non-P.H.S.

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R A Smith, P Cass. 1986. Facilitatory interactions between flashed lines.. https://doi.org/10.1068/p150443

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