2 edition of Speech motor control in aphasia. found in the catalog.
Speech motor control in aphasia.
Written in English
The speech motor control system is an important and fundamental component in human verbal communication. The current research aimed to further our understanding of speech motor abilities in individuals with aphasia, and to explore the influence of linguistic complexity on speech motor functions. This thesis describes three experiments, which have utilized physiological measurements to study linguistic processing and speech movements. A total of eight individuals with aphasia and fifteen normal speakers participated in three experiments. Electromagnetic midsagittal articulograph was used to record movements from different articulators (upper lip, lower lip, jaw and tongue) for experiments 1 and 2 (Chapters 2, 3, and 4), and a separate acoustic study was performed to measure reaction time and word duration in experiment 3 (Chapter 5). The selected stimuli provided access to different aspects of linguistic and motor processes and consisted of speech versus nonspeech tasks, nonword sequences with a different number of syllables, and simple monosyllabic words which differed in word and bigram frequency.This research provides new insights into speech motor control in aphasia and a significant step towards a more complete understanding of the verbal expression difficulties in aphasia. The findings indicate that it is important to incorporate both linguistic and speech motor processes in future models of speech/language production.Kinematic analysis of speech versus nonspeech tasks showed that individuals with aphasia demonstrated significantly smaller amplitudes, longer durations and higher variability of individual movements. Unlike normal speakers, the aphasic subjects demonstrated difficulty to implement kinematic changes at the fast rate condition. Kinematic analysis also showed that an increase in linguistic complexity had a direct effect on lip kinematics, and movement duration and variability were significantly different between individuals with aphasia and normal speakers in linguistically more complex conditions (i.e., for longer non-word sequences). Aphasic individuals also demonstrated lower stability in movement coordination for bilabial closure. Reaction time analysis showed that although individuals with aphasia were slower in general, they were qualitatively similar to normal speaker in retrieving words. However, for word duration it was shown that aphasic speakers took longer to produce words with tense vowels compared to words with lax vowels.
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For example, language problems are most typical of primary progressive aphasia but can also appear later in the course of behavioral variant frontotemporal dementia. Three types of frontotemporal disorders—behavioral variant frontotemporal dementia, primary progressive aphasia, and movement disorders—can affect middle-aged and older adults. Motor speech impairment (MSI) is a key feature used to classify clinical variants of primary progressive aphasia (PPA), with apraxia of speech (AOS) as a diagnostic feature of nonfluent variant PPA (nfvPPA) 1 and primary progressive AOS (PPAOS). 2 Beyond syndromic classification, MSI also suggests an underlying taupoathy. 3, –, 7 Thus, measurement of MSI in PPA is important for both.
Phone: () Email: [email protected] Website: At the Aphasia Research Lab at the University of Washington, we conduct research to better understand the complex processing of language and its breakdown in individuals with aphasia. What is Apraxia of Speech? Apraxia of speech is a motor planning speech disorder. A person with acquired apraxia of speech has difficulty coordinating the tongue, lips, and jaw to make the correct sounds in words. Apraxia of speech is characterized by slow, halting speech, with sound and word substitution errors.
Aphasia is not caused by damage to the brain that results in motor or sensory deficits, which produces abnormal speech; that is, aphasia is not related to the mechanics of speech but rather the individual's language cognition (although a person can have both problems, particularly if they suffered a hemorrhage that damaged a large area of the. Dr. Jacqueline Laures-Gore. Jacqueline Laures-Gore’s research is published in highly regarded journals, such as Journal of Speech-Language-Hearing Research, Aphasiology, Brain and Language and Topics in Stroke Rehabilitation.. Current projects include stress and aphasia, alternative treatments in aphasia and the Atlanta Motor Speech Disorders Corpus.
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The Workbook for Aphasia contains over pages of tasks to stimulate language skills after a stroke or brain goes to Cat R. Kenney, out of the Cleveland State University Speech and Hearing Lab, for creating this free downloadable resource for clinicians and people with aphasia (PWA).
Wenner-Gren Center International Symposium Series, Volume Speech Motor Control covers the papers presented at an interdisciplinary conference on Speech Motor Control, held at the Wenner-Gren Center in Stockholm on May 11 to 12, The book focuses on the methodologies, approaches, processes, and techniques employed in speech motor Edition: 1.
Speech Motor Control The text then takes a look at speech production mechanisms in aphasia and functional landscapes in the cerebral cortex related to speech, as well as motor errors and phonetic transcription studies and correlational analysis of consonant preferences in infants, languages, and aphasic errors.
The book focuses on the. Books to Live By Useful books for rehabilitation, motivation, and to regain fulfillment. Aphasia And Speech Disability Tools. E-Books. Kindle Wireless Reading Device.
One of my friends who travels and likes to read convinced me to try a digital book reading system. I selected 's Kindle because it has a build-in text-to-speech function.
Aphasia, (Difficulty Understanding) A Simple Guide To The Condition, Diagnosis, Treatment And Related Conditions Author Kenneth Kee Speech Motor Control: Proceedings of an International Symposium on Speech Motor Control, Held at the Wenner-Gren Center, Stockholm, May 11 For example, a person with Broca's aphasia may say, "Walk dog," meaning, "I will take the dog for a walk," or "book book two table," for "There are two books on the table." People with Broca's aphasia typically understand the speech of others fairly well.
Because of this, they are often aware of their difficulties and can become easily frustrated. Asphasia commonly affects people who've had a stroke or other injury to the part of the brain that controls language. WebMD explains how aphasia affects speech, writing, and language comprehension.
MOTOR SPEECH DISORDERS. Motor speech disorders include speech disturbances that reflect abnormalities in nervous system structures or pathways directly involved in the sensorimotor programming, control, or execution of speech (Duffy, ).Broadly, they include dysarthrias and apraxia of speech (AOS).
When stroke affects speech, it’s often the result of a left hemisphere stroke. This is because the language center of the brain resides in the left hemisphere. Generally speaking, there are 2 main types of speech problems that occur after stroke: aphasia and apraxia of speech.
Aphasia involves difficulty producing and/or interpreting language. Researchers have studied what part of the brain controls speech, and now we know much more.
The cerebrum, more specifically, organs within the cerebrum such as the Broca's area, Wernicke's area. Patients with transcortical motor aphasia tend to be mute and may have an associated general akinesia (Benson and Ardila, ). Although transcortical motor aphasia is an impaired ability to initiate speech, once such a patient begins talking, speech output is typically relatively intact.
Comprehension can be fairly normal and so can repetition. Expressive aphasia, also known as Broca's aphasia, is a type of aphasia characterized by partial loss of the ability to produce language (spoken, manual, or written), although comprehension generally remains intact.
A person with expressive aphasia will exhibit effortful generally includes important content words but leaves out function words that have only grammatical. Speech motor programming in apraxia of speech: evidence from a delayed picture-word interference task.
Am J Speech Lang Pathol, 22, SS McNeil, MR, Doyle, PJ, and Wambaugh, J (). Chapter 9: Apraxia of speech: a treatable disorder of motor planning and programming. In: SE Nadeau, LJ Gonzalez-Rothi, and B Crosson (Eds.), Aphasia and.
The exercises in WALC 1: Aphasia Rehabhave been used for many years by speech- language pathologists and other specialists (e.g., cognitive therapists, occupational therapists) with. Speech motor control in fluent and dysfluent speech production of an individual with apraxia of speech and Broca's aphasia.
Clinical Linguistics & Phonetics: Vol. 21, No. 3, pp. A person with aphasia may have a limited ability to understand speech, to find the right words, use the correct grammatical structures, etc.
A person with dysarthria has mostly problems with motor execution of language, i.e. with movement of the articulators, although sometimes other aspects of language production might be affected, such as. Deliberate efforts to produce speech showed evidence of groping for articulatory placement.
Overall, his impaired motor control for speech was consistent with the criteria set forth by Duffy (, p. ) for severe apraxia of speech.
J had received CART to improve single-word writing and spoken production of a standard set of 24 words. A stroke that occurs in areas of the brain that control speech and language can result in aphasia, a disorder that affects your ability to speak, read, write and listen.
Different aspects of language are in different parts of the left side of the brain. So your type of aphasia depends on how your stroke affects parts of your brain. Purpose Apraxia of speech (AOS) is considered a speech motor programming impairment, but the specific nature of the impairment remains a matter of debate.
This study investigated 2 hypotheses about the underlying impairment in AOS framed within the Directions Into Velocities of Articulators (DIVA; Guenther, Ghosh, & Tourville, ) model: The retrieval hypothesis states that.
Melodic Intonation Therapy is a type of aphasia treatment program that uses musical intonation, continuous voicing, and rhythmic tapping to teach verbal expressions to clients with severe non-fluent aphasia with good auditory recently, this type of therapy was seen being used to treat Arizona Senator Gabrielle Giffords after the horrific shooting which left her without speech.
Contact Information. Lab phone: () Lab email: [email protected] Mailing address: Eagleson Hall, NE 42 nd St., Seattle, WA Physical address: UW Speech and Hearing Clinic, 15 th Ave. NE, Seattle, WA UW Mailbox: The Aphasia Activity Center is a place where people with aphasia can meet, socialize and use their communication skills in a safe, supportive environment.
A variety of programs are offered through the Activity Center, including Conversation Cafés, the Talking Book Club, the Computer Lab, Educational Programs and Reta’s Games Group, all of.Aphasia eBook “What to Expect When You’re Not Expecting Aphasia” is the must-have, free eBook for individuals with aphasia, their caregivers, and clinicians.
Developed by a team of speech-language pathologists, the eBook covers everything you need to know about aphasia.