ISSN : 1226-9654
When participants are asked to identify two targets in a rapid serial visual presentation (RSVP), wherein a sequence of visual stimuli was presented in rapid succession, they often fail to identify a second target if it is presented within half a second after the appearance of the first target. This deficit, called attentional blink, has been considered to reflect the capacity limitation of temporal attention. A recent study showed that attentional blink can be eliminated through the color-salient training during which a second target can be easily identified by displaying it in a salient color. The current study explored whether the color-salient training effect can occur even in RSVP with an untrained set of targets and distractors. Experiment 1, which employed letter targets and number distractors during training sessions, did not show any effect of the color-salient training, in that attentional blink did not disappear even after the training. In Experiment 2, after the color-salient training employing RSVP with number targets and letter distractors, attentional blink was eliminated not only in trained RSVP with number targets and letter distractors, but also in untrained RSVP with letter targets and number distractors. This result suggested the color-salient training effect can be transferred to another RSVP with an untrained set of targets and distractors, and it was consistent with the hypothesis that the color-salient training influences attentional control mechanisms that are related to both target selection and distractor inhibition. In addition, the results of Experiment 1 that failed to show the color-salient training effect provided clues related to conditions in which the color-salient training can work.
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