![]() When a person becomes blind or deaf they generally do not lose the ability to hear or see they simply lose their ability to transmit the sensory signals from the periphery ( retina for visions and cochlea for hearing) to brain. Furthermore, sensory substitution has contributed to the study of brain function, human cognition and rehabilitation. Within the theoretical framework specifically the concept of sensorimotor contingencies is investigated utilizing sensory substitution. Sensory substitution is often employed to investigate predictions of the embodied cognition framework. After this historic invention, sensory substitution has been the basis of many studies investigating perceptive and cognitive neuroscience. as a means of brain plasticity in congenitally blind individuals. The first sensory substitution system was developed by Bach-y-Rita et al. Thereafter, the entire field was discussed by Chaim-Meyer Scheff in "Experimental model for the study of changes in the organization of human sensory information processing through the design and testing of non-invasive prosthetic devices for sensory impaired people". ![]() The idea of sensory substitution was introduced in the '80s by Paul Bach-y-Rita as a means of using one sensory modality, mainly taction, to gain environmental information to be used by another sensory modality, mainly vision. 3.1.5 Tactile feedback system for prosthetic limbs.3.1.4 Tactile–tactile to restore peripheral sensation.
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