Document Detail


Production of stress retraction by left- and right-hemisphere-damaged patients.
MedLine Citation:
PMID:  11781055     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
An acoustic-perceptual investigation of a phonological phenomenon in which stress is retracted in double-stressed words (e.g., thirTEEN vs THIRteen MEN) was undertaken to identify the locus of functional impairments in speech prosody. Subjects included left-hemisphere-damaged (LHD) and right-hemisphere-damaged (RHD) patients and nonneurological controls. They were instructed to read sentences containing double-stressed target words in the presence of a clause boundary or its absence. Whereas all three groups of subjects were capable of manipulating the acoustic parameters that signal a shift in stress, there were some differences between the performance of the patient groups and that of the normal controls. Further, stress production deficits were more severe in LHD aphasic patients than in RHD patients. LHD speakers exhibited deficits in the control of both temporal and F0 cues. Their F0 disturbance appears to be secondary to a primary deficit in temporal control at the phase or sentence level, as an increased number of continuation rises found for the LHD patients seemed to arise from lengthy pauses within sentences. Findings are highlighted to address the nature of breakdown in speech prosody and the competing views of prosodic lateralization.
Authors:
J Gandour; S R Baum
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Brain and language     Volume:  79     ISSN:  0093-934X     ISO Abbreviation:  Brain Lang     Publication Date:  2001 Dec 
Date Detail:
Created Date:  2002-01-08     Completed Date:  2002-04-18     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7506220     Medline TA:  Brain Lang     Country:  United States    
Other Details:
Languages:  eng     Pagination:  482-94     Citation Subset:  IM    
Copyright Information:
Copyright 2001 Elsevier Science.
Affiliation:
Department of Audiology and Speech Sciences, Purdue University, West Lafayette, IN 47907-1353, USA. gandour@purdue.edu
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Affect
Aged
Aged, 80 and over
Aphasia / diagnosis*,  physiopathology*
Brain / physiopathology*
Female
Functional Laterality / physiology*
Humans
Male
Middle Aged
Neuropsychological Tests
Phonetics
Speech Acoustics
Speech Production Measurement
Verbal Behavior*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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