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Electrophysiologic assessment of auditory pathways in high risk infants

International Journal of Pediatric Otorhinolaryngology 14(2-3): 203-214

Electrophysiologic assessment of auditory pathways in high risk infants

This study evaluated auditory processing in a group of 59 infants at risk for subsequent hearing and language disorders due to low birthweight and/or perinatal asphyxia. Auditory system integrity was evaluated electrophysically by recording the auditory brainstem response (ABR), middle latency response (MLR) and the cortical auditory evoked potential (CAEP). 63% of the babies had normal peripheral function or slight unilateral impairment; 84% had normal brainstem auditory system function; 82% showed normal MLRs; and 81% showed normal CAEPs. Fifty-three percent of the babies were normal on all tests and only 3% were deviant on all tests. The remaining infants showed diverse patterns of peripheral, brainstem and cortical abnormalities.

Accession: 005349259

PMID: 3436723

DOI: 10.1016/0165-5876(87)90032-2

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