deafferentation

noun
de·​af·​fer·​en·​ta·​tion | \ ˌdē-ˌaf-ə-ˌren-ˈtā-shən How to pronounce deafferentation (audio) \

Medical Definition of deafferentation

: the freeing of a motor nerve from sensory components by severing the dorsal root central to the dorsal ganglion