ERP correlates of shared control mechanisms involved in saccade preparation and in covert attention.

In the N2 time range (240–300 ms post-stimulus), a highly significant main effect of cue validity was obtained at midline electrodes ( F (1,17) = 43.5; p < .001), due to the presence of enhanced negativities for visual stimuli presented on the cued versus uncued side ( Fig. 5 ).

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