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Barde, Laura H. F.; Schwartz, Myrna F.; Boronat, Consuelo B. – Brain and Language, 2006
Individuals with agrammatic aphasia may have difficulty with verb production in comparison to nouns. Additionally, they may have greater difficulty producing verbs that have fewer semantic components (i.e., are semantically "light") compared to verbs that have greater semantic weight. A connectionist verb-production model proposed by Gordon and…
Descriptors: Semantics, Verbs, Aphasia, Nouns
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Sidtis, Diana Van Lancker – Brain and Language, 2006
Neurolinguistic research has been engaged in evaluating models of language using measures from brain structure and function, and/or in investigating brain structure and function with respect to language representation using proposed models of language. While the aphasiological strategy, which classifies aphasias based on performance modality and a…
Descriptors: Diagnostic Tests, Neurolinguistics, Neurological Organization, Models
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Hegde, Medha; Bhat, Sapna – Indian Journal of Applied Linguistics, 2007
Conduction aphasia is a type of fluent aphasia, which is caused due to the damage to the supramarginal gyrus and arcuate fasciculus resulting in repetition disturbance. It has been speculated that linguistic system in bilingual aphasics can breakdown in different ways across languages. There is a lack of detailed linguistic studies in specific…
Descriptors: Speech Therapy, Linguistics, Aphasia, Multilingualism
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Beeke, Suzanne; Wilkinson, Ray; Maxim, Jane – International Journal of Language & Communication Disorders, 2007
Background: Agrammatic speech can manifest in different ways in the same speaker if task demands change. Individual variation is considered to reflect adaptation, driven by psycholinguistic factors such as underlying deficit. Recently, qualitative investigations have begun to show ways in which conversational interaction can influence the form of…
Descriptors: Language Impairments, Sentences, Story Telling, Speech Communication
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Milman, Lisa H.; Dickey, Michael Walsh; Thompson, Cynthia K. – Brain and Language, 2008
Hierarchical models of agrammatism propose that sentence production deficits can be accounted for in terms of clausal syntactic structure [Friedmann, N., & Grodzinsky, Y. (1997). "Tense and agreement in agrammatic production: Pruning the syntactic tree." "Brain and Language, 56", 397-425; Hagiwara, H. (1995). "The breakdown of functional…
Descriptors: Verbs, Syntax, Patients, Program Effectiveness
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Hengst, Julie A.; Frame, Simone R.; Neuman-Stritzel, Tiffany; Gannaway, Rachel – Journal of Speech, Language, and Hearing Research, 2005
Reported speech, wherein one quotes or paraphrases the speech of another, has been studied extensively as a set of linguistic and discourse practices. Researchers agree that reported speech is pervasive, found across languages, and used in diverse contexts. However, to date, there have been no studies of the use of reported speech among…
Descriptors: Discourse Analysis, Aphasia, Interpersonal Communication
Clark, D.G.; Charuvastra, A.; Miller, B.L.; Shapira, J.S.; Mendez, M.F. – Brain and Language, 2005
To better characterize fluent and nonfluent variants of primary progressive aphasia (PPA). Although investigators have recognized both fluent and nonfluent patients with PPA (Mesulam, 2001), the clinical and neuroimaging features of these variants have not been fully defined. We present clinical and neuropsychological data on 47 PPA patients…
Descriptors: Semantics, Patients, Aphasia, Reading Difficulties
Mondini, S.; Luzzatti, C.; Saletta, P.; Allamano, N.; Semenza, C. – Brain and Language, 2005
The processing of Prepositional compounds (typical Neo-latin noun-noun modifications where a head noun is modified by a prepositional phrase, e.g., mulino a vento, windmill) was preliminarily studied with a group of six agrammatic aphasic patients, and, in more detail, with a further agrammatic patient (MB). Omission was the most frequent error…
Descriptors: Form Classes (Languages), Patients, Aphasia
Ullman, M.T.; Pancheva, R.; Love, T.; Yee, E.; Swinney, D.; Hickok, G. – Brain and Language, 2005
Are the linguistic forms that are memorized in the mental lexicon and those that are specified by the rules of grammar subserved by distinct neurocognitive systems or by a single computational system with relatively broad anatomic distribution? On a dual-system view, the productive -ed-suffixation of English regular past tense forms (e.g.,…
Descriptors: Morphemes, Memory, Dictionaries, Aphasia
Braber, N.; Patterson, K.; Ellis, K.; Lambon Ralph, M.A. – Brain and Language, 2005
A previous study of 10 patients with Broca's aphasia demonstrated that the advantage for producing the past tense of irregular over regular verbs exhibited by these patients was eliminated when the two sets of past-tense forms were matched for phonological complexity (Bird, Lambon Ralph, Seidenberg, McClelland, & Patterson, 2003). The…
Descriptors: Patients, Morphemes, Sentences, Aphasia
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Moses, Melanie S.; Nickels, Lyndsey A.; Sheard, Christine – Brain and Language, 2004
In this study, the recurrent perseverative errors produced by 44 speakers without impairment were examined in picture naming and reading aloud tasks under a fast response deadline. The proportion of perseverative relative to non-perseverative errors was greater in picture naming, the more error-prone task, than in reading aloud. Additionally,…
Descriptors: Aphasia, Language Processing, Error Patterns
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Poeppel, David; Hickok, Gregory – Cognition, 2004
The classical brain-language model derived from the work of Broca, Wernicke, Lichtheim, Geschwind, and others has been useful as a heuristic model that stimulates research and as a clinical model that guides diagnosis. However, it is now uncontroversial that the classical model is (i) empirically wrong in that it cannot account for the range of…
Descriptors: Models, Brain, Anatomy, Language
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Heiss, W.-D.; Thiel, A. – Brain and Language, 2006
Activation studies in patients with aphasia due to stroke or tumours in the dominant hemisphere have revealed effects of disinhibition in ipsilateral perilesional and in contralateral homotopic cortical regions, referred to as collateral and transcallosal disinhibition. These findings were supported by studies with selective disturbance of…
Descriptors: Aphasia, Patients, Brain Hemisphere Functions, Inhibition
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Kittredge, Audrey; Davis, Lissa; Blumstein, Sheila E. – Brain and Language, 2006
In a series of experiments, the effect of white noise distortion and talker variation on lexical access in normal and Broca's aphasic participants was examined using an auditory lexical decision paradigm. Masking the prime stimulus in white noise resulted in reduced semantic priming for both groups, indicating that lexical access is degraded by…
Descriptors: Aphasia, Acoustics, Auditory Stimuli, Patients
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Mavis, Ilknur – Clinical Linguistics & Phonetics, 2007
Recent studies on awareness have drawn attention to the fact that aphasia is a little known disorder to the public, in spite of all the publicity about this frequently occurring neurogenic language disorder. Being a very new concept, studies of awareness are rare in Turkey. This survey study assessed the extent of public awareness of neurological…
Descriptors: Foreign Countries, Publicity, Patients, Neurology
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