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J Neurol Neurosurg Psychiatry. 1988 Jan;51(1):1-9.

Cortical auditory disorders: clinical and psychoacoustic features.

Author information

1
Department of Neurology, Case Western Reserve University, Cleveland, Ohio.

Abstract

The symptoms of two patients with bilateral cortical auditory lesions evolved from cortical deafness to other auditory syndromes: generalised auditory agnosia, amusia and/or pure word deafness, and a residual impairment of temporal sequencing. On investigation, both had dysacusis, absent middle latency evoked responses, acoustic errors in sound recognition and matching, inconsistent auditory behaviours, and similarly disturbed psychoacoustic discrimination tasks. These findings indicate that the different clinical syndromes caused by cortical auditory lesions form a spectrum of related auditory processing disorders. Differences between syndromes may depend on the degree of involvement of a primary cortical processing system, the more diffuse accessory system, and possibly the efferent auditory system.

PMID:
2450968
PMCID:
PMC1032706
DOI:
10.1136/jnnp.51.1.1
[Indexed for MEDLINE]
Free PMC Article

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