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Journal Article

Cortical reorganization after acute unilateral hearing loss traced by fMRI

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http://pubman.mpdl.mpg.de/cone/persons/resource/persons84187

Scheffler,  K
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Citation

Bilecen, D., Seifritz E, Radü EW, Schmid N, Wetzel S, Probst, R., & Scheffler, K. (2000). Cortical reorganization after acute unilateral hearing loss traced by fMRI. Neurology, 54(3), 765-767. Retrieved from http://www.neurology.org/content/54/3/765.abstract.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0013-E52B-C
Abstract
Unilateral acoustic stimulation produces a functional MRI (fMRI)–blood-oxygenation-level-dependent (BOLD) response mainly in the contralateral auditory cortex. In unilateral deaf patients, the BOLD response is bilateral. We studied a subject with sudden hearing loss after cochlear nerve resection before and repeatedly after surgery. During normal bilateral hearing, contralateral cortical BOLD responses were found. Progressing compensatory reorganization with bilateral representation of unilateral stimulation was detected over a period of approximately 1 year.