Deprivation-induced cortical reorganization in children with cochlear implants

Anu Sharma, Phillip M. Gilley, Michael Dorman, Robert Baldwin

Research output: Contribution to journalReview articlepeer-review

179 Scopus citations


A basic finding in developmental neurophysiology is that some areas of the cortex cortical areas will reorganize following a period of stimulus deprivation. In this review, we discuss mainly electroencephalography (EEG) studies of normal and deprivation-induced abnormal development of the central auditory pathways in children and in animal models.We describe age cut-off for sensitive periods for central auditory development in congenitally deaf children who are fitted with a cochlear implant. We speculate on mechanisms of decoupling and reorganization which may underlie the end of the sensitive period. Finally, we describe new magentoencephalography (MEG) evidence of somatosensory cross-modal plasticity following long-term auditory deprivation.

Original languageEnglish (US)
Pages (from-to)494-499
Number of pages6
JournalInternational Journal of Audiology
Issue number9
StatePublished - Sep 2007


  • Central auditory development
  • Cochlear implants
  • Cortical auditory evoked potentials (CAEP)
  • Cross-modal plasticity
  • Magentoencephalography (MEG)
  • P1
  • Plasticity
  • Reorganization

ASJC Scopus subject areas

  • Language and Linguistics
  • Linguistics and Language
  • Speech and Hearing


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