Neuroplasticity enables cross Modal compensation

Blind people can learn to perceive the visual world through a tactile sense, using a haptic feedback lattice, with increased activation in the visual cortex. Many blind-from-birth people also report awareness of intricate spatial structure, derived presumably from sound and entire-body movement. Deaf people exhibit high activity in speech regions when interacting using sign language. Neurons with multimodal receptive fields might play an important role in this adaptation, presumably being exapted for cross-modal processing.

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