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Published in Terence R. Anthoney, Neuroanatomy and the Neurologic Exam, 2017
J. P. Mohr (in Rowl), on the other hand, clearly distinguishes between “speech dyspraxia” and dysarthria due to a cortical lesion, both in terms of the actual findings and in terms of the parts of the cortex involved. In his description of the “Motor Aphasias,” he states that “The speech that emerges within minutes or days of the onset of motor aphasia consists mostly of crude vowels (dysphonia) and poorly articulated consonants (dysarthria). Disturbed coordination (dyspraxia) of speaking and breathing alter the rhythm of speech (dysprosody). This faulty intonation, stress, and phrasing of words and sentences [i.e., the combination of dyspraxia and dysprosody] is known collectively as speech dyspraxia.'’ (p. 7);
Vocal Motor Disorders *
Published in Rolland S. Parker, Concussive Brain Trauma, 2016
Clinical understanding of communications is hampered by the use of the term dysprosodia for manifestly different functions. It is used for (1) the comprehension of others’ emotional communications; (2) the modulation of communication functions such as timing and linguistic stress to communicate meaning; and (3) the modulation of the motor elements of vocalization, including pitch control by the vocal cords, breathing, articulation, shape of the resonance chambers of the mouth and throat, and so forth. The writer defines prosody and dysprosody exclusively as a motor vocalization function, in which after trauma (neurological or somatic) or neurological or medical disease there is a change of audible emotional expression. Aprosodia is a variant in which the quality of vocalization is flat. Hyperprosody is an exaggerated prosody observed in a manic state or in individuals with aphasia who can access very few words but use exaggerated prosody to convey their feelings as much as possible (Wymer et al., 2002).
Personal testimonies
Published in Jack Ryalls, Nick Miller, Foreign Accent Syndromes, 2014
Immediately I felt intense anger. How could this happen to me? My mind was racing again. I could see my partner was trying to stay calm. We’d heard of this condition once before this visit with specialists. An earlier assessment a fortnight before by a Speech and Language Practitioner in our local area suggested “Dysprosody”. We had looked up the definition of this term the week before so I knew that this term was also referred to as “Pseudo Foreign Accent Syndrome”. I also knew that it was extremely rare, not much was known about it and not a lot could be done to treat it other than speech therapy.
Receptive and expressive lexical stress in adolescents with autism
Published in International Journal of Speech-Language Pathology, 2022
Colleen E. Gargan, Mary V. Andrianopoulos
Assessment of prosody is an important component of the evaluation process for individuals with ASD who have speech sound disorders, cognitive-linguistic or social pragmatic communication disorders. It is critical to differentiate between two primary types of prosodic disorders (e.g. prosodic disability vs. dysprosody (Velleman, 2016, p. 268)). Speakers with ASD, apraxia of speech and cognitive-linguistic disabilities may exhibit a prosodic disability (Velleman, 2016). A prosodic disability is characterised by inappropriate production or misuse of pitch, stress and duration to convey linguistic and paralinguistic features. Speakers with a prosodic disability can produce pitch, loudness and duration, but not in a manner consistent with their native language. In contrast, disorders of dysprosody are characteristic of problems with neuromuscular execution (e.g. dysarthria) due to differences in muscle tone. Individuals with dysprosody cannot produce appropriate stress and other prosodic features in any context (Velleman, 2016). Treatment should begin early for those individuals with ASD for whom targeting prosody (e.g. form, function, intonation) is a priority. The beneficial effects of therapy can positively impact receptive and expressive prosodic abilities, speech intelligibility, social skills and more natural sounding speech (Peppé et al., 2007; Velleman, 2016).