We examined the detection of events within scenes composed of many events. Previous results indicate that attentional set is critical: the detection of target events is more accurate when observers focus on a single event type than multiple event types. The present experiments indicate that detecting one event has a negative impact on detecting subsequent events, and that the decrements (blinks) last over 2 sec. After the blink, an optimal attentional set is re-established in favorable conditions.
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