Cochlear Implant Benefits in Deafness Rehabilitation: PET Study of Temporal Voice Activations (original) (raw)

2007, Journal of Nuclear Medicine

AI-generated Abstract

Cochlear implants significantly improve the medical and social prognosis of profound deafness, but individual outcomes can vary widely. This study investigates the relationship between cochlear implants and activation of temporal voice areas (TVA) using positron emission tomography (PET). Three groups were compared: normal-hearing controls and postlingually deaf cochlear implant users classified as GOOD or POOR based on speech intelligibility. Results indicated that while vocal stimuli activated the TVA in the GOOD group, similar activation was absent in the POOR group, suggesting that effective cochlear implantation is linked to the ability to activate these areas, which may be crucial for speech perception and integration in the neural system.

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