Figure 9.

Sustained attention: extrastriate visual cortices. A, Average virtual sensors for left and right areas hMT+/V5 and combined across both (from left to right) as a function of time from direction change onset. Black and gray traces represent responses to contralateral target and distracter changes, respectively. Shaded areas represent SEM. B, Average peak amplitude for the combined (left and right area hMT+/V5) for target (black) and distracter (gray) changes. Black lines are SEM. Wilcoxon signed-rank tests were performed and evaluated at p = 0.1. C, D, The same as in A and B for activity evoked by transient color changes in the left and right middle occipital (mid. occ.) areas and combined across hemispheres.