Abstract
Anatomical and physiological changes may occur under different circumstances, reflecting the plasticity of the human central and peripheral auditory system: deprivation of peripheral auditory input (plasticity induced by hearing deprivation), chronic exposition to sound in deaf subjects (plasticity induced by auditory rehabilitation), or auditory learning (learning-induced plasticity). In this review, we focus on auditory deprivation and rehabilitation-induced plasticity. We first describe some perceptual correlates of cortical plasticity induced by sensory deprivation, and then we present some of our original results showing the influence of hearing aids on perceptual performances of sensorineural hearing impaired listeners. These results are in line with the auditory acclimatization phenomenon (i.e. in monaurally fitted listeners, the aided ear performs better than the unaided ear for fine processing of high-intensity sounds). They also suggest that the auditory acclimatization phenomenon is lateralized...
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