Rightward attentional bias and left hemisphere dominance in a cue-target light detection task in a callosotomy patient

Six normal subjects and a callosotomized man with a prefrontal lesion, mostly on the right side, were tested in a reaction time (RT) task involving a key-pressing response to an extrafoveal light target preceded by an extrafoveal light cue. Cues and targets were presented along the horizontal meridi...

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