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open access

Vol 10, No 2 (2008)
Prace poglądowe
Published online: 2008-11-14
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Prosodic disturbances of speech in ischaemic stroke

Konstanty Gurański, Krzysztof Słotwiński, Ryszard Podemski
Udar Mózgu. Problemy Interdyscyplinarne 2008;10(2):96-103.

open access

Vol 10, No 2 (2008)
Prace poglądowe
Published online: 2008-11-14

Abstract

Prosody plays an important role in the process of verbal communication, complementing and emphasizing the linguistic and emotional aspects of language. Disturbances of speech prosody are rarely recognized, although aprosodia occurs frequently in ischaemic stroke. Prosodic disturbance of speech can significantly impair verbal communication and social functioning of the patients after stroke. Recent research shows that right-hemisphere stroke produce emotional prosody deficits and left-hemisphere stroke - linguistic prosody deficits. Right-hemisphere stroke leads to impaired control of fundamental frequency and left-hemisphere stroke - to impaired control of time parameters. No relationship has been confirmed between type of aprosodia (sensory or motor, linguistic or emotional) and specific localization of brain damage. However, neuroimaging studies suggest that the same areas of the brain may control perception and expression of prosody at the same time. The initial assessment of speech prosody should be involved in the routine neurological examination of patient with ischemic stroke. It may be assessed more precisely using a computerized acoustic analysis of speech. Expressive therapy, cognitive-linguistic therapy and biofeedback are suggested in the treatment of aprosodia.

Abstract

Prosody plays an important role in the process of verbal communication, complementing and emphasizing the linguistic and emotional aspects of language. Disturbances of speech prosody are rarely recognized, although aprosodia occurs frequently in ischaemic stroke. Prosodic disturbance of speech can significantly impair verbal communication and social functioning of the patients after stroke. Recent research shows that right-hemisphere stroke produce emotional prosody deficits and left-hemisphere stroke - linguistic prosody deficits. Right-hemisphere stroke leads to impaired control of fundamental frequency and left-hemisphere stroke - to impaired control of time parameters. No relationship has been confirmed between type of aprosodia (sensory or motor, linguistic or emotional) and specific localization of brain damage. However, neuroimaging studies suggest that the same areas of the brain may control perception and expression of prosody at the same time. The initial assessment of speech prosody should be involved in the routine neurological examination of patient with ischemic stroke. It may be assessed more precisely using a computerized acoustic analysis of speech. Expressive therapy, cognitive-linguistic therapy and biofeedback are suggested in the treatment of aprosodia.
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Keywords

prosodic disturbances of speech; ischaemic stroke; hemisphere dominance; diagnosis and treatment of aprosodia

About this article
Title

Prosodic disturbances of speech in ischaemic stroke

Journal

Interdisciplinary Problems of Stroke

Issue

Vol 10, No 2 (2008)

Pages

96-103

Published online

2008-11-14

Bibliographic record

Udar Mózgu. Problemy Interdyscyplinarne 2008;10(2):96-103.

Keywords

prosodic disturbances of speech
ischaemic stroke
hemisphere dominance
diagnosis and treatment of aprosodia

Authors

Konstanty Gurański
Krzysztof Słotwiński
Ryszard Podemski

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