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Frontal processing and auditory perception

Lookup NU author(s): Professor Tim GriffithsORCiD, Jennifer Dean, Dr Gary Green

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Abstract

Disordered processing of the pattern in sound over time has been observed in a number of clinical disorders, including developmental dyslexia. This study addresses the brain mechanisms required for the perception of such a pattern. We report the systematic evaluation of temporal perception in a patient with a single intact right auditory cortex and a large right frontal lobe lesion. A striking dissociated deficit was demonstrated in the perception of temporal pattern at the level of tens or hundreds of milliseconds. This proves that, contrary to common belief, mechanisms in the pathway up to and including the primary auditory cortex are not sufficient for the normal perception of temporal pattern. This work suggests a need for frontal processing for the normal perception of auditory pattern. (C) 2000 Lippincott Williams and Wilkins.

Publication metadata

Author(s): Dean JL; Green GGR; Griffiths TD; Penhune V; Peretz I; Patterson RD

Publication type: Article

Publication status: Published

Journal: NeuroReport

Year: 2000

Volume: 11

Issue: 5

Pages: 919-922

ISSN (print): 0959-4965

ISSN (electronic): 1473-558X

Publisher: Lippincott Williams & Wilkins

URL: http://www.staff.newcastle.ac.uk/t.d.griffiths/Griffiths_NeuroReport_2000.pdf

DOI: 10.1097/00001756-200004070-00004

PubMed id: 10790855

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