静止刺激への順応と運動刺激への順応がmotion-induced blindnessに及ぼす影響

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We examined the effect of adaptation to a static stimulus and a moving stimulus on motion-induced blindness (MIB). In Experiments 1 and 2, a static stimulus was presented at 0, 5, or 10s prior to the onset of the moving stimulus. (In Experiment 3, stimulus was presented 0, 1, 3, or 5s prior.) Adaptation to the static stimulus decreased the latency of MIB regardless if the adaptation stimulus, which was viewed with one eye, was presented to the same or other eye after the onset of the moving stimulus (Experiment 1). An adaptation effect was not obtained when the location of a binocularly adapted stimulus changed at the onset of the moving stimulus (Experiment 2). Moreover, the effect was marginal for the stimulus adapted for 3s (Experiment 3). In Experiment 4, the presentation of the moving stimulus occurred 20s prior to the onset of the static stimulus. Adaptation to a moving stimulus prolonged the disappearance latency of MIB. Based on these results, we discussed possible mechanisms of MIB.
2011-09-30