Original Research
An exploratory study of an undefined acquired neuromotor speech disorder within the context of the four level framework for speech sensorimotor control
South African Journal of Communication Disorders | Vol 44, No 1 | a230 |
DOI: https://doi.org/10.4102/sajcd.v44i1.230
| © 2019 Dunay Schmulian, Anita van der Merwe, Emily Groenewald
| This work is licensed under CC Attribution 4.0
Submitted: 12 October 2016 | Published: 31 December 1997
Submitted: 12 October 2016 | Published: 31 December 1997
About the author(s)
Dunay Schmulian, Department of Communication Pathology, University of Pretoria, South AfricaAnita van der Merwe, Department of Communication Pathology, University of Pretoria, South Africa
Emily Groenewald, Department of Communication Pathology, University of Pretoria, South Africa
Full Text:
PDF (358KB)Abstract
In this study, the speech of a 28-year-old male with acquired brain injury and who presents with an undefined neuromotor speech disorder which cannot be categorised as either apraxia of speech or dysarthria, is described. Voice onset time, vowel duration, utterance duration and vowel formant analyses were done acoustically. A perceptual analysis and intelligibility rating were also executed. The subject was found to present with unique perceptual symptoms, intelligible speech, prolonged sound duration and distorted vowel quality. The results are interpreted within the context of the Four Level Framework of Speech Sensorimotor Control (Van der Merwe, 1997).
Keywords
neuromotor speech disorders; Four Level Framework
Metrics
Total abstract views: 1855Total article views: 790
Crossref Citations
1. New perspectives on speech motor planning and programming in the context of the four- level model and its implications for understanding the pathophysiology underlying apraxia of speech and other motor speech disorders
Anita Van Der Merwe
Aphasiology vol: 35 issue: 4 first page: 397 year: 2021
doi: 10.1080/02687038.2020.1765306