PMID: 3756460Sep 1, 1986Paper

Disturbed coarticulation in apraxia of speech: acoustic evidence

Brain and Language
Wolfram Ziegler, D von Cramon

Abstract

The results of a recent perceptual study (W. Ziegler & D. von Cramon, 1985, Anticipatory coarticulation in a patient with apraxia of speech. Brain and Language 26, 117-130) provided evidence for disturbed coarticulation in verbal apraxia. Further support for this finding is now provided by acoustic analyses. Formant frequencies and LP reflection coefficients were chosen to assess anticipatory vowel-to-vowel coarticulation and vowel anticipation in stop consonants, respectively. These parameters revealed a lack of coarticulatory cohesion in the speech of a patient suffering from verbal apraxia, explainable by a consistent delay in the initiation of anticipatory vowel gestures. The findings are discussed with respect to prosodic features and to theoretical and clinical concepts of verbal apraxia.

References

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Citations

Jan 1, 1986·European Archives of Psychiatry and Neurological Sciences·W Ziegler, D von Cramon
Nov 1, 1989·Brain and Language·M P AlexanderD T Stuss
Jan 19, 2012·Neuropsychological Rehabilitation·Sandra P WhitesideRosemary A Varley
Dec 29, 2015·Neuropsychologia·Kirrie J BallardDonald A Robin
Mar 21, 2016·Journal of Communication Disorders·Katrina M BlythKirrie J Ballard
Aug 16, 2015·Archives of Clinical Neuropsychology : the Official Journal of the National Academy of Neuropsychologists·Sandra P WhitesideRosemary A Varley
Nov 1, 1988·Brain and Language·H M SussmanJ A Hutchinson
Apr 21, 2006·NeuroImage·Jason R TregellasDonald C Rojas
May 30, 1998·Brain and Language·J M Liss
Oct 29, 1994·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·S E Blumstein
Aug 26, 1998·Journal of Speech, Language, and Hearing Research : JSLHR·M S Hough, R J Klich
Oct 4, 2012·Journal of Speech, Language, and Hearing Research : JSLHR·Edwin Maas, Marja-Liisa Mailend
Jul 3, 1999·Journal of Speech, Language, and Hearing Research : JSLHR·K Tjaden
May 6, 1999·Journal of Speech, Language, and Hearing Research : JSLHR·I Hertrich, H Ackermann
Oct 25, 2003·Journal of Speech, Language, and Hearing Research : JSLHR·Gary WeismerJohn R Westbury
Oct 1, 1996·Journal of Speech and Hearing Research·E A Strand, M R McNeil
Nov 29, 2017·Journal of Speech, Language, and Hearing Research : JSLHR·Alexandra BasilakosJulius Fridriksson
Apr 1, 1995·Language and Speech·I Hertrich, H Ackermann
Jul 11, 2012·The Spanish Journal of Psychology·Natalia Melle, Carlos Gallego
Jan 1, 2020·Aphasiology·Marja-Liisa Mailend, Edwin Maas

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