parietal, and the ventral tasks, appear consistent with Amity et al [23] who also found impairment in a range of magnocellular and non-magnocellular perceptual tasks. Amity et al. proposed that specific parietal lobe impairment may explain such data. A specific role for magnocellular Geniux processing in such a parietal deficit, however, was ruled out due to anatomical and physiological studies highlighting that the correspondence…