SYNDROME OF AUDITORY AGNOSIA - CASE-REPORT AND AN ATTEMPT OF NEUROPSYCHOLOGICAL QUALIFICATION

  • 1 January 1977
    • journal article
    • research article
    • Vol. 224  (3) , 221-233
Abstract
Proceeding from the neuropsychological examination of a patient with an exceptionally selective impairment of auditory gnosis of vascular origin, an attempt was made to analyze structurally the syndrome of auditory agnosia and to compare it with analyses of visual agnosia. Decisive syndromal points of view seen in 28 case reports are: an absence of significant audiological deficiencies; errors of the acoustic-discriminative type prevail in auditory-visual matching tasks; the gnostic deficit is modality specific; the same items are variably reproduced on repeated presentation; there is marked fluctuation of performance; there is exceptional irreversibility of the impairment; amusia is a more or less obligatory accompanying phenomenon; in cases of vascular origin there is always a history of repeated temporal lobe damage, this damage being predominantly in the form of bilateral lesions. This analysis indicates a close structural analogy to the syndrome of perceptive visual agnosia. Great importance was placed in the relationship between approaches and models of cognitive psychology important for further theoretical development in neuropsychology.

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