Abstract
Two experiments measured the time to shift spatial selective attention across the visual field to targets 2 or 10 deg from central fixation. A central arrow cued the most likely target location. The direction of attention was inferred from reaction times to expected, unexpected, and neutral locations. The development of a spatial attentional set with time was examined by presenting target probes at varying times after the cue. There were no effects of distance on the time course of the attentional set. Reaction times for far locations were slower than for near, but the effects of attention were evident by 150 msec in both cases. Spatial attention does not shift with a characteristic, fixed velocity. Rather, velocity is proportional to distance, resulting in a movement time that is invariant over the distances tested.
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Remington, R., Pierce, L. Moving attention: Evidence for time-invariant shifts of visual selective attention. Perception & Psychophysics 35, 393–399 (1984). https://doi.org/10.3758/BF03206344
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DOI: https://doi.org/10.3758/BF03206344