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  • Title: Differences in distractor-induced deviation between horizontal and vertical saccade trajectories.
    Author: Van der Stigchel S, Theeuwes J.
    Journal: Neuroreport; 2008 Jan 22; 19(2):251-4. PubMed ID: 18185118.
    Abstract:
    The present study systematically investigated the influence of a distractor on horizontal and vertical eye movements. Results showed that both horizontal and vertical eye movements deviated away from the distractor but these deviations were stronger for vertical than for horizontal movements. As trajectory deviations away from a distractor are generally attributed to inhibition applied to the distractor, this suggests that this deviation is not only due to differences in activity between the two collicular motor maps, but can also be evoked by local application of inhibitory processes in the same map as the target. Nonetheless, deviations were more dominant for vertical movements which suggests that for these movements more inhibition is applied than for horizontal movements.
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