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Ramage, Amy E.; Aytur, Semra; Ballard, Kirrie J. – Journal of Speech, Language, and Hearing Research, 2020
Purpose: Brain imaging has provided puzzle pieces in the understanding of language. In neurologically healthy populations, the structure of certain brain regions is associated with particular language functions (e.g., semantics, phonology). In studies on focal brain damage, certain brain regions or connections are considered sufficient or…
Descriptors: Aphasia, Brain Hemisphere Functions, Language Skills, Language Impairments
Vukovic, Mile; Sujic, Radmila; Petrovic-Lazic, Mirjana; Miller, Nick; Milutinovic, Dejan; Babac, Snezana; Vukovic, Irena – Brain and Language, 2012
Phonation is a fundamental feature of human communication. Control of phonation in the context of speech-language disturbances has traditionally been considered a characteristic of lesions to subcortical structures and pathways. Evidence suggests however, that cortical lesions may also implicate phonation. We carried out acoustic and perceptual…
Descriptors: Evidence, Articulation (Speech), Aphasia, Neurological Impairments
Mahler, Leslie A.; Ramig, Lorraine O. – Clinical Linguistics & Phonetics, 2012
This study investigated the impact of a well-defined behavioral dysarthria treatment on acoustic and perceptual measures of speech in four adults with dysarthria secondary to stroke. A single-subject A-B-A experimental design was used to measure the effects of the Lee Silverman Voice Treatment (LSVT[R]LOUD) on the speech of individual…
Descriptors: Vowels, Speech Impairments, Brain Hemisphere Functions, Neurological Impairments
Hickok, Gregory; Costanzo, Maddalena; Capasso, Rita; Miceli, Gabriele – Brain and Language, 2011
Motor theories of speech perception have been re-vitalized as a consequence of the discovery of mirror neurons. Some authors have even promoted a strong version of the motor theory, arguing that the motor speech system is critical for perception. Part of the evidence that is cited in favor of this claim is the observation from the early 1980s that…
Descriptors: Neurological Impairments, Speech Communication, Aphasia, Patients
Burton, Martha W. – Clinical Linguistics & Phonetics, 2009
Lesion studies have demonstrated impairments of specific types of phonological processes. However, results from neuropsychological studies of speech sound processing have been inconclusive as to the role of specific brain regions because of a lack of a one-to-one correspondence between behavioural patterns and lesion location. Functional…
Descriptors: Investigations, Phonology, Brain, Cognitive Processes
Friedrich, Frances J.; And Others – 1985
The sentence processing abilities of a conduction aphasic adult woman with a documented phonological coding deficit were investigated in tests of auditory and visual sentence comprehension of reversible active and passive sentences and spatial prepositions, sentence production through story completion and picture description, and repetition of…
Descriptors: Adults, Aphasia, Auditory Perception, Case Studies