Speech Disorders

Weismer, Gary

doi:10.1016/b978-012369374-7/50005-5

Cited by 7 publications

(5 citation statements)

References 55 publications

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“…Part of the attraction of VOT as a measure of speech motor control is its potential to reflect the integrity of coordination between laryngeal and supralaryngeal gestures. As described by Weismer (2006b, pp. 108–117), however, articulatory interpretation of VOT differences between speakers with neurologically-based speech and/or language disorders and “normal” speakers, or between the same speaker pre- and post-stimulation, are exceedingly complex and indeterminate.…”

Section: 0 Candidate Measures For the Evaluation Of Dbs Effects On mentioning

confidence: 99%

“…Voice-onset time (VOT), the time interval between the release of a stop consonant and the onset of vocal fold vibration, is a frequently-studied measure in speech production research and especially in speakers with dysarthria and other speech disorders (see review in Weismer, 2006b). VOT is part of the phonetic implementation of the voicing distinction for stops, with shorter values associated with voiced or unaspirated stops and longer values with voiceless or aspirated stops (in English); specific implementation of VOT differences for phonological voicing contrasts varies widely across languages (see Cho & Ladefoged, 1999).…”

Section: 0 Candidate Measures For the Evaluation Of Dbs Effects On mentioning

confidence: 99%

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Measures to evaluate the effects of DBS on speech production

Weismer

Yunusova

Bunton

2012

Journal of Neurolinguistics

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The purpose of this paper is to review and evaluate measures of speech production that could be used to document effects of Deep Brain Stimulation (DBS) on speech performance, especially in persons with Parkinson disease (PD). A small set of evaluative criteria for these measures is presented first, followed by consideration of several speech physiology and speech acoustic measures that have been studied frequently and reported on in the literature on normal speech production, and speech production affected by neuromotor disorders (dysarthria). Each measure is reviewed and evaluated against the evaluative criteria. Embedded within this review and evaluation is a presentation of new data relating speech motions to speech intelligibility measures in speakers with PD, amyotrophic lateral sclerosis (ALS), and control speakers (CS). These data are used to support the conclusion that at the present time the slope of second formant transitions (F2 slope), an acoustic measure, is well suited to make inferences to speech motion and to predict speech intelligibility. The use of other measures should not be ruled out, however, and we encourage further development of evaluative criteria for speech measures designed to probe the effects of DBS or any treatment with potential effects on speech production and communication skills.

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Section: 0 Candidate Measures For the Evaluation Of Dbs Effects On mentioning

confidence: 99%

Section: 0 Candidate Measures For the Evaluation Of Dbs Effects On mentioning

confidence: 99%

Measures to evaluate the effects of DBS on speech production

Weismer

Yunusova

Bunton

2012

Journal of Neurolinguistics

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“…[ 182 ] Josaphat Enrique Guillén Escamilla cognitiva, modelos cognitivos, la lingüística teórica, la fonética, la neurolingüística, la lingüística clínica, la pragmática y el análisis de discurso (Fernández & Smith, 2011;Field, 2011). Todas estas áreas, en conjunto, contribuyen a explicar: i) los procesos cognitivos 3 que están detrás de la producción, percepción y comprensión del lenguaje (Weismer, 2006); ii) cómo se almacena y emplea el vocabulario (Ahlsén, 2006), iii) el desarrollo fi logenético y ontogenético del lenguaje (Field, 2011) y iv) cómo puede perderse la capacidad lingüística (Field, 2004;Ahlsén, 2006). Así, una parte importante de la empresa psicolingüística reside en "la elaboración de modelos 4 [de los procesos cognitivos], sirviéndose de datos y evidencias obtenidas a través de experimentos y pruebas" (Fernández, 1998: 407), esto es, gracias a las técnicas de imaginería cerebral, propias de la neurolingüística, se ha podido confi rmar y refi nar las hipótesis sobre cómo trabaja la mente humana en conjunto con el lenguaje (Ahlsén, 2006;Field, 2011).…”

Section: La Psicolingüísticaunclassified

Lingüística clínica en México, ¿por qué y para qué?

Escamilla

2020

ELA

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Esta nota presenta un panorama histórico del desarrollo de la lingüística clínica (LC) en México. En un primer momento, se establece la distinción entre psicolingüística, neurolingüística y LC, ya que dichos términos tienden a utilizarse de manera indistinta. Posteriormente, se realiza un recorrido histórico sobre las investigaciones que sentaron las bases de la LC, partiendo de la década de los 70 del siglo pasado. También, se subrayan las principales dificultades a las que se ha enfrentado esta disciplina, mismas que han afectado su desarrollo. Finalmente, se destaca la necesidad de consolidar esta línea de investigación —como parte de la lingüística aplicada— sobre todo, por su posible contribución a la optimización de la práctica clínica de terapeutas del lenguaje y, en consecuencia, al mejoramiento de la calidad de vida de pacientes con alguna alteración del lenguaje, así como la de sus familiares.

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“…Aphasia can also occur in less severe forms such as Broca's aphasia and Wernicke's aphasia (Dronkers & Baldo, 2009). Broca's aphasia has limitations at the level of phonological planning and is associated with anterior lesions in Broca's area (Weismer, 2006). Patients with this form of aphasia can understand the content/meaning of perceived speech to a large extent (Dronkers & Baldo, 2009).…”

Section: Introductionmentioning

confidence: 99%

“…Patients with this form of aphasia can understand the content/meaning of perceived speech to a large extent (Dronkers & Baldo, 2009). Individuals with Wernicke's aphasia usually have posterior lesions in Wernicke's area that do not affect the motor speech process but the phonological representation of the person (Weismer, 2006). Despite fluent pronunciation, these individuals are often unintelligible because the words and sentences they utter cannot be understood due to incorrect intonation or lexically non-existent words (Dronkers & Baldo, 2009).…”

Section: Introductionmentioning

confidence: 99%

Speechlessness: a Conceptual Framework

Dietz

Schiewer

Karbach

et al. 2023

Integr. psych. behav.

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The phenomenon of speechlessness has hardly been considered in the literature from a psychological point of view. Previous research on speechlessness is limited to the fields of neurology, medicine or psychopathology. The present review aims to consider speechlessness from a psychological perspective distinct from pathology, and to highlight its observability and possible connections to existing research in the context of emotional cognition and processing. Search terms were developed and a comprehensive, systematic literature search was conducted in various databases based on previous scientific work on the understanding of non-speech, silence and speechlessness. Only results that examined the phenomenon of speechlessness from a non-pathological or non-neurological perspective were included. A total of N = 7 publications matching the inclusion criteria were identified. The results were used to develop a procedual model for the phenomenological definition of speechlessness. The developed model differentiates the observable phenomenon of speechlessness into a non-intentional, unconscious form and a intentional, conscious form. The present work suggests that meaningful emotions and their perception and processing is a core element in the emergence of speechlessness and provides a first, psychological, non-pathological explanation of speechlessness.

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Speech Disorders

Cited by 7 publications

References 55 publications

Measures to evaluate the effects of DBS on speech production

Measures to evaluate the effects of DBS on speech production

Lingüística clínica en México, ¿por qué y para qué?

Speechlessness: a Conceptual Framework

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