Prosodic changes in aphasic speech

Timing

Diana Van Lancker Sidtis, Daniel Kempler, Catherine Jackson, E. Metter

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Controversy remains about the impairment of prosody in aphasia, particularly with regard to speech timing. This paper addresses this topic through an analysis of timing in four sets of a common morphological paradigm. The paradigm consisted of a basic form (stem) and two longer derived forms (e.g. zip, zipper, zippering). Normally, vowel durations are shorter in longer derived forms (e.g. zippering) than in the stem (e.g. zip), due to a process called 'initial shortening'. Twelve patients with aphasia (four each Broca, Wernicke, and Anomic), and 11 age-matched healthy adults were assessed. Structural (CT) and functional brain imaging (PET) were available for all patients. While all groups showed initial shortening between the stem and the derived forms, the patients with Broca's aphasia presented an inverse pattern between the two derived forms (longer initial vowel in 'zippering' than 'zipper'), and the patients with Wernicke's aphasia produced significantly longer vowel durations overall than the healthy participants. The results are related to radiological information regarding the location of structural and functional brain damage and relative preservation and loss of prosodic features in cerebral damage.

Original languageEnglish (US)
Pages (from-to)155-167
Number of pages13
JournalClinical Linguistics and Phonetics
Volume24
Issue number2
DOIs
StatePublished - Feb 1 2010

Fingerprint

speech disorder
Aphasia
Wernicke Aphasia
Broca Aphasia
paradigm
brain damage
Functional Neuroimaging
Healthy Volunteers
brain
damages
Aphasic
Speech Timing
Brain
Group
Paradigm
Vowel Duration

All Science Journal Classification (ASJC) codes

  • Language and Linguistics
  • Linguistics and Language
  • Speech and Hearing

Cite this

Prosodic changes in aphasic speech : Timing. / Sidtis, Diana Van Lancker; Kempler, Daniel; Jackson, Catherine; Metter, E.

In: Clinical Linguistics and Phonetics, Vol. 24, No. 2, 01.02.2010, p. 155-167.

Research output: Contribution to journalArticle

Sidtis, Diana Van Lancker ; Kempler, Daniel ; Jackson, Catherine ; Metter, E. / Prosodic changes in aphasic speech : Timing. In: Clinical Linguistics and Phonetics. 2010 ; Vol. 24, No. 2. pp. 155-167.
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