Attentional load modulates mislocalization of moving stimuli,but does not eliminate the error |
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Authors: | Email author" target="_blank">Dirk?KerzelEmail author |
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Institution: | University of Geneva, Geneva, Switzerland. dirk.kerzel@pse.unige.ch |
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Abstract: | Localization of the onset and offset of a moving target is subject to a number of errors that have to be attributed to events
following or preceding the target event. Apparently, observers are unable to ignore the spatiotemporal context surrounding
the target event. In two experiments, observers’ attention was directed toward a single position along a trajectory, two positions
along a single trajectory, or two positions along two different trajectories. In the latter condition, attention to details
of a single trajectory was reduced. At the same time, motion type was manipulated by varying the temporal interval between
successive target presentations. The localization error was not affected by attentional load; however, effects of motion type
were eliminated when two trajectories had to be attended to. It may be sufficient to notice that the target has moved for
localization errors to occur, while specifics of the trajectory are ignored. |
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Keywords: | |
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