Using EPG to investigate speech errors and motor agility in a dyspraxic patient

Edwards, Susan; Miller, Niklas

doi:10.3109/02699208908985275

Cited by 22 publications

(9 citation statements)

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“…This emphasis encouraged some to view it as a phonological impairment. This description is compatible with other reports (Blumstein and Baum, 1987;Kent and Rosenbek, 1983;Edwards and Miller, 1989). Several recent reports converge on a central finding of motor impairment.…”

Section: Sensory Trajectories and Motor Commands For Speechsupporting

confidence: 93%

Speech Production and Speech Modelling

Modelling¹,

Hardcastle²,

Marchal³

1990

200

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A Series presenting the results of activities sponsored by the NATO Science Committee, which aims at the dissemination of advanced scientific and technological knowledge, with a view to strengthening links between scientific communities. The Series is published by an international board of publishers in conjunction with the 385) 91, boulevard de I'Hopital 75634 PARIS cedex 13 (France) ABSTRACf. The physiological mechanisms underlying oral communication are of primary interest.Investigations concerning the motor acts of speech are limited to what can be inferred from observation of the peripheral mechanisms of speech production. The neuromuscular events of speech movement patterning are described. In addition, speech movement coordination involves substantial adjustments among the multiple muscles of the various articulatory organs. The cerebellum is an important regulatory center for the control of motor activity. It provides smoothness to the contraction of synergist and antagonist muscles. It uses sensory information to predict, judge and correct the motor act. Damage to a structure with this capability would be expected to have consequences on speech production . The role of the cerebellum in speech control is examined by assessing the effects of cerebellar lesions on speech through a short review of literature.

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Section: Sensory Trajectories and Motor Commands For Speechsupporting

confidence: 93%

Speech Production and Speech Modelling

Modelling¹,

Hardcastle²,

Marchal³

1990

200

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show abstract

“…Since then EPG has been used in the field of acquired adult neurological disorders (Edwards and Miller, 1989), cleft palate (Gibbon and Hardcastle, 1989), glossectomy (Barry and Timmermann, 1985) and dysfluency (Harrington, 1987). The potential use of the EPG with deaf people remained an unexplored area, until steps were taken by Fletcher, Dagenais andCritz-Crosby (1991), andHasegawa (1983).…”

Section: Rachael Cra Wfordmentioning

confidence: 98%

Teaching voiced velar stops to profoundly deaf children, using EPG—two case studies

Crawford

1995

Clinical Linguistics & Phonetics

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Older deaf children who have had amplification and auditory training from an early age to promote maximal use of residual hearing, can still frequently present with unintelligible speech. They not only require access to new speech-teaching techniques, but more importantly, carefully planned, realistic therapy goals. This pilot study explores the use of EPG in teaching two profoundly deaf 10-year-olds how to articulate initial voiced velar stops in familiar phrases. Whereas previous traditional therapy methods had proved unsuccessful, the results with EPG were positively significant, and some generalization when reading untaught targets was seen. The post-therapy utterances were also judged as more intelligible, when rated by untrained listeners. The study took place over a 2-month period. Hence no long-term effects of therapy could be measured. However, the issues of long-term generalization of speech skills by the deaf, and the effects upon intelligibility are discussed.

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“…Prior investigations utilising EPG as an assessment tool in adults have focused primarily on the description of the speech disorder under investigation and have paid little attention to comparisons with normative data, particularly normal data pertaining to intra-subject variability (4,9,10,19,23). Only three studies (3,10,19) have described normal patterns of articulatory contact in adult speakers, however, these studies have not quantitatively investigated the degrees of variability that could be expected from normal speech.…”

Section: Introductionmentioning

confidence: 97%

Tongue-to-palate contact patterns and variability of four English consonants in an /i/ vowel environment

McAuliffe

Ward

Murdoch

2001

Logopedics Phoniatrics Vocology

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Log Phon Vocol 2001; 26: 165-178 Minimal data exist describing tongue-to-palate contact patterns and their variability in normal speakers of English. Consequently, the aims of the present study were to examine, using a comprehensive pro le of data analysis, tongue-topalate contact patterns and their variability in a group of ten normal speakers of English using the Reading Electropalatography3 (EPG3) system. Each speaker produced ten repetitions of the target words tea, leap, sea, and key following the carrier phrase 'I saw a …'. Results revealed that the contact patterns produced exhibited similar characteristics to those described in earlier research. Additionally, the lateral approximant :l: exhibited the highest degree of intra-subject variability with the alveolar fricative :s: exhibiting the least. The results of this study are discussed in relation to existing normative data.

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Using EPG to investigate speech errors and motor agility in a dyspraxic patient

Cited by 22 publications

References 1 publication

Speech Production and Speech Modelling

Speech Production and Speech Modelling

Teaching voiced velar stops to profoundly deaf children, using EPG—two case studies

Tongue-to-palate contact patterns and variability of four English consonants in an /i/ vowel environment

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