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Mol, Lisette; Krahmer, Emiel; van de Sandt-Koenderman, Mieke – Journal of Speech, Language, and Hearing Research, 2013
Purpose: To study the independence of gesture and verbal language production. The authors assessed whether gesture can be semantically compensatory in cases of verbal language impairment and whether speakers with aphasia and control participants use similar depiction techniques in gesture. Method: The informativeness of gesture was assessed in 3…
Descriptors: Aphasia, Nonverbal Communication, Speech, Severity (of Disability)
Nozari, Nazbanou; Dell, Gary S.; Schwartz, Myrna F. – Cognitive Psychology, 2011
Despite the existence of speech errors, verbal communication is successful because speakers can detect (and correct) their errors. The standard theory of speech-error detection, the perceptual-loop account, posits that the comprehension system monitors production output for errors. Such a comprehension-based monitor, however, cannot explain the…
Descriptors: Verbal Communication, Speech, Linguistics, Aphasia
Romani, Cristina; Galluzzi, Claudia; Bureca, Ivana; Olson, Andrew – Cognitive Psychology, 2011
Current models of word production assume that words are stored as linear sequences of phonemes which are structured into syllables only at the moment of production. This is because syllable structure is always recoverable from the sequence of phonemes. In contrast, we present theoretical and empirical evidence that syllable structure is lexically…
Descriptors: Speech, Syllables, Phonemes, Aphasia
Gungor, Levent; Terzi, Murat; Onar, Musa Kazim – Brain and Language, 2011
Aphasia causes significant disability and handicap among stroke survivors. Language therapy is recommended for aphasic patients, but not always available. Piracetam, an old drug with novel properties, has been shown to have mild beneficial effects on post-stroke aphasia. In the current study, we investigated the effects of 6 months treatment with…
Descriptors: Aphasia, Drug Therapy, Patients, Outcomes of Treatment
Knels, Christina; Danek, Adrian – Brain and Language, 2010
This article provides a detailed assessment of patient HT with a history of progressive language deterioration of approximately 6 years presenting now as a fluent jargon aphasic with severe impairment of both speech production and comprehension. Neuropsychological testing of non-verbal cognitive functions showed no impairment, leading to the…
Descriptors: Speech, Semantics, Dementia, Aphasia
You, Dae Sang; Kim, Dae-Yul; Chun, Min Ho; Jung, Seung Eun; Park, Sung Jong – Brain and Language, 2011
Previous studies have shown the appearance of right-sided language-related brain activity in right-handed patients after a stroke. Non-invasive brain stimulation such as transcranial direct current stimulation (tDCS) and repetitive transcranial magnetic stimulation (rTMS) have been shown to modulate excitability in the brain. Moreover, rTMS and…
Descriptors: Comprehension, Stimulation, Speech, Aphasia
Ogar, J. M.; Baldo, J. V.; Wilson, S. M.; Brambati, S. M.; Miller, B. L.; Dronkers, N. F.; Gorno-Tempini, M. L. – Brain and Language, 2011
Few studies have directly compared the clinical and anatomical characteristics of patients with progressive aphasia to those of patients with aphasia caused by stroke. In the current study we examined fluent forms of aphasia in these two groups, specifically semantic dementia (SD) and persisting Wernicke's aphasia (WA) due to stroke. We compared…
Descriptors: Comprehension, Sentences, Speech, Semantics
Hamilton, Roy H.; Sanders, Linda; Benson, Jennifer; Faseyitan, Olufunsho; Norise, Catherine; Naeser, Margaret; Martin, Paula; Coslett, H. Branch – Brain and Language, 2010
Although evidence suggests that patients with left hemisphere strokes and non-fluent aphasia who receive 1Hz repetitive transcranial magnetic stimulation (rTMS) over the intact right inferior frontal gyrus experience persistent benefits in naming, it remains unclear whether the effects of rTMS in these patients generalize to other language…
Descriptors: Stimulation, Speech, Nouns, Aphasia
Buchsbaum, Bradley R.; Baldo, Juliana; Okada, Kayoko; Berman, Karen F.; Dronkers, Nina; D'Esposito, Mark; Hickok, Gregory – Brain and Language, 2011
Conduction aphasia is a language disorder characterized by frequent speech errors, impaired verbatim repetition, a deficit in phonological short-term memory, and naming difficulties in the presence of otherwise fluent and grammatical speech output. While traditional models of conduction aphasia have typically implicated white matter pathways,…
Descriptors: Sensory Integration, Phonology, Aphasia, Patients
Sidiropoulos, Kyriakos; Ackermann, Hermann; Wannke, Michael; Hertrich, Ingo – Brain and Cognition, 2010
This study investigates the temporal resolution capacities of the central-auditory system in a subject (NP) suffering from repetition conduction aphasia. More specifically, the patient was asked to detect brief gaps between two stretches of broadband noise (gap detection task) and to evaluate the duration of two biphasic (WN-3) continuous noise…
Descriptors: Intervals, Aphasia, Acoustics, Time Perspective
Sidtis, Diana; Canterucci, Gina; Katsnelson, Dora – Clinical Linguistics & Phonetics, 2009
Early studies reported preserved formulaic language in left hemisphere damaged subjects and reduced incidence of formulaic expressions in the conversational speech of stroke patients with right hemispheric damage. Clinical observations suggest a possible role also of subcortical nuclei. This study examined formulaic language in the spontaneous…
Descriptors: Neurological Impairments, Brain Hemisphere Functions, Language Processing, Speech
Ash, Sharon; McMillan, Corey; Gunawardena, Delani; Avants, Brian; Morgan, Brianna; Khan, Alea; Moore, Peachie; Gee, James; Grossman, Murray – Brain and Language, 2010
The nature and frequency of speech production errors in neurodegenerative disease have not previously been precisely quantified. In the present study, 16 patients with a progressive form of non-fluent aphasia (PNFA) were asked to tell a story from a wordless children's picture book. Errors in production were classified as either phonemic,…
Descriptors: Phonetics, Phonemics, Patients, Language Processing
Miyakoda, Haruko – Clinical Linguistics & Phonetics, 2008
Although many studies of speech errors have been presented in the literature, most have focused on errors occurring at either the segmental or feature level. Few, if any, studies have dealt with the prosodic structure of errors. This paper aims to fill this gap by taking up the issue of prosodic structure in Japanese speech errors, with a focus on…
Descriptors: Language Patterns, Speech, Aphasia, Patients
Fazio, Patrik; Cantagallo, Anna; Craighero, Laila; D'Ausilio, Alessandro; Roy, Alice C.; Pozzo, Thierry; Calzolari, Ferdinando; Granieri, Enrico; Fadiga, Luciano – Brain, 2009
Broca's area has been considered, for over a century, as the brain centre responsible for speech production. Modern neuroimaging and neuropsychological evidence have suggested a wider functional role is played by this area. In addition to the evidence that it is involved in syntactical analysis, mathematical calculation and music processing, it…
Descriptors: Comprehension, Speech, Aphasia, Neurology
Bastiaanse, Roelien; Bouma, Gosse; Post, Wendy – Brain and Language, 2009
There is a long standing debate between aphasiologists on the essential factor that constitutes the behavioral patterns of loss and preservation in agrammatic Broca's aphasia. It has been suggested that linguistic complexity plays a crucial role: linguistically complex structures are more difficult to produce than linguistically simple ones.…
Descriptors: Sentences, Speech, Form Classes (Languages), Grammar
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