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Busse, Laura ORCID logoORCID: https://orcid.org/0000-0002-6127-7754; Katzner, Steffen ORCID logoORCID: https://orcid.org/0000-0002-4424-2197 and Treue, Stefan (2006): Spatial and feature-based effects of exogenous cueing on visual motion processing. In: Vision Research, Vol. 46, No. 13: pp. 2019-2027

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In two experiments, we investigated the effects of exogenous cueing on visual motion processing. The first experiment shows that the typical pattern of reaction time (RT) effects, namely early facilitation and later inhibition of return (IOR), can be obtained using a color change as exogenous cue and a direction change as target. In the second experiment, we manipulated the validity of the cue independently with respect to location and feature using transparent motion stimuli. Facilitation of RTs with short cue-target interstimulus-intervals (ISIs) was only evident for targets with both the valid location and the valid feature. Furthermore, at longer cue-target intervals, RTs were prolonged for targets at the cued location, irrespective of the cued feature. These results demonstrate spatial and feature-based components of early facilitation and purely spatial IOR. (c) 2006 Elsevier Ltd. All rights reserved.

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