Tactile Perception and Braille Semantic Task in Late Blind Subjects Using FMRI: Understanding Braille Dots and Objects

Ankeeta Sharma¹, Senthil S. Kumaran¹, Rohit Saxena²

The loss of one sensory modality results in an increased use of the remaining intact sensory systems; to improve their efficiency, and may result in cortical reorganization processes. We evaluated tactile preception in relation to language reading (using Braille input) in late blind subjects, to understand how they differentiate braille dots from the shapes and objects.