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Categorical perception of lexical tones in Chinese people with post-stroke aphasia
This study used the categorical perception (CP) paradigm, a fine-grained perceptual method, to investigate the perceptual performance of lexical tones in Chinese people with post-stroke aphasia (PWA). Twenty patients with post-stroke aphasia (10 Broca's and 10 Wernicke's) and ten neurologically intact age-matched control participants were recruited to complete both identification and discrimination tasks of the Mandarin Tone 1-2 continuum. In addition, all participants completed tests on their auditory comprehension ability and working memory. The results showed that both Broca's and Wernicke's patients exhibited reduced s...
Source: Clinical Linguistics and Phonetics - November 14, 2022 Category: Speech-Language Pathology Authors: Wei Zhang Yi Liao Hui Chang Source Type: research

Preparing an E-learning-based Speech Therapy (EST) efficacy study: Identifying suitable outcome measures to detect within-subject changes of speech intelligibility in dysarthric speakers.
Abstract Abstract We explored the suitability of perceptual and acoustic outcome measures to prepare E-learning based Speech Therapy (EST) efficacy tests regarding speech intelligibility in dysarthric speakers. Eight speakers with stroke (n = 3), Parkinson's disease (n = 4) and traumatic brain injury (n = 1) participated in a 4 weeks EST trial. A repeated measures design was employed. Perceptual measures were (a) scale ratings for "ease of intelligibility" and "pleasantness" in continuous speech and (b) orthographic transcription scores of semantically unpredictable sentences. Acoustic measures were (c...
Source: Clinical Linguistics and Phonetics - July 15, 2014 Category: Speech Therapy Authors: Beijer LJ, Rietveld AC, Ruiter MB, Geurts AC Tags: Clin Linguist Phon Source Type: research