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  • Title: Influence of endogenous and exogenous orientations of attention on inhibition of return in a cross-modal target-target aiming task.
    Author: Lyons J, Glazebrook CM, Keetch KM, Dhillon VP, Elliott D.
    Journal: J Mot Behav; 2006 May; 38(3):219-28. PubMed ID: 16709561.
    Abstract:
    The authors conducted 2 experiments in which participants (N = 16 in each) executed successive unimanual aiming movements to target locations that were indicated by the onset of either an auditory or a visual stimulus. In Experiment 1 (exogenous orientation), inhibition of return (IOR) effects were observed, with reliable reaction time (RT) costs associated with movements returning to the same target and a trend toward larger IOR effects in left than in right space. There was no influence of stimulus modality on the magnitude of IOR. IOR was also observed in Experiment 2 (endogenous orientation), except the influence of stimulus modality reliably mediated those effect. In that case, IOR was evident only when the previous modality was visual and the current modality was auditory. Together, the results of those 2 experiments suggest that in situations in which 2 paired movements constitute the response criteria, IOR is both supramodal and lateralized to contralateral space.
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