fMRI Occipital Activation by Tactile Stimulation in a Blind Man

N. Sadato, MD, PhD, Fukui, Japan, and M. Hallett, MD, Bethesda, MD Sadato et al.1,2 demonstrated using PET that persons who are blind early in life activate their visual cortex when they read Braille or perform visual discrimination tasks. This neuroimage shows the same phenomenon with functional MRI (fMRI). In this extreme circumstance, somatosensory information is …