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Hamilton, Roy H.; Chrysikou, Evangelia G.; Coslett, Branch – Brain and Language, 2011
One of the most frequent symptoms of unilateral stroke is aphasia, the impairment or loss of language functions. Over the past few years, behavioral and neuroimaging studies have shown that rehabilitation interventions can promote neuroplastic changes in aphasic patients that may be associated with the improvement of language functions. Following…
Descriptors: Evidence, Brain Hemisphere Functions, Stimulation, 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
Kiran, Swathi; Grasemann, Uli; Sandberg, Chaleece; Miikkulainen, Risto – Bilingualism: Language and Cognition, 2013
Current research on bilingual aphasia highlights the paucity in recommendations for optimal rehabilitation for bilingual aphasic patients (Edmonds & Kiran, 2006; Roberts & Kiran, 2007). In this paper, we have developed a computational model to simulate an English-Spanish bilingual language system in which language representations can vary by age…
Descriptors: Semantics, Aphasia, Language Acquisition, Bilingualism
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
Cano, Agnes; Hernandez, Mireia; Ivanova, Iva; Juncadella, Montserrat; Gascon-Bayarri, Jordi; Rene, Ramon; Costa, Albert – Brain and Language, 2010
We report the naming performance of a Spanish patient (AQF) suffering from Primary Progressive Aphasia (PPA). AQF's performance revealed a grammatical category-specific deficit, with poorer performance in verb than in noun naming. Furthermore, this dissociation was only present in written naming. Importantly, the patient's dissociation between…
Descriptors: Semantics, Verbs, Grammar, Nouns
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
Green, David W.; Ruffle, Louise; Grogan, Alice; Ali, Nilufa; Ramsden, Sue; Schofield, Tom; Leff, Alex P.; Crinion, Jenny; Price, Cathy J. – Clinical Linguistics & Phonetics, 2011
We illustrate the value of the Bilingual Aphasia Test in the diagnostic assessment of a trilingual speaker post-stroke living in England for whom English was a non-native language. The Comprehensive Aphasia Test is routinely used to assess patients in English, but only in combination with the Bilingual Aphasia Test is it possible and practical to…
Descriptors: Test Selection, Aphasia, Language Impairments, Patients
Naeser, Margaret A.; Martin, Paula I.; Theoret, Hugo; Kobayashi, Masahito; Fregni, Felipe; Nicholas, Marjorie; Tormos, Jose M.; Steven, Megan S.; Baker, Errol H.; Pascual-Leone, Alvaro – Brain and Language, 2011
This study sought to discover if an optimum 1 cm[squared] area in the non-damaged right hemisphere (RH) was present, which could temporarily improve naming in chronic, nonfluent aphasia patients when suppressed with repetitive transcranial magnetic stimulation (rTMS). Ten minutes of slow, 1 Hz rTMS was applied to suppress different RH ROIs in…
Descriptors: Reaction Time, Aphasia, Outcomes of Education, Patients
Christiansen, Morten H.; Kelly, M. Louise; Shillcock, Richard C.; Greenfield, Katie – Cognition, 2010
It is often assumed that language is supported by domain-specific neural mechanisms, in part based on neuropsychological data from aphasia. If, however, language relies on domain-general mechanisms, it would be expected that deficits in non-linguistic cognitive processing should co-occur with aphasia. In this paper, we report a study of sequential…
Descriptors: Test Items, Economic Status, Aphasia, Sequential Learning
Shim, HyungSub; Hurley, Robert S.; Rogalski, Emily; Mesulam, M.-Marsel – Neuropsychologia, 2012
This study evaluates spelling errors in the three subtypes of primary progressive aphasia (PPA): agrammatic (PPA-G), logopenic (PPA-L), and semantic (PPA-S). Forty-one PPA patients and 36 age-matched healthy controls were administered a test of spelling. The total number of errors and types of errors in spelling to dictation of regular words,…
Descriptors: Phoneme Grapheme Correspondence, Verbal Communication, Spelling, Phonetics
Gomez-Ruiz, Isabel; Aguilar-Alonso, Angel – Clinical Linguistics & Phonetics, 2011
This study analysed the capacity of the Catalan and Spanish versions of the Bilingual Aphasia Test (BAT) to distinguish between normal and pathological aging. Both versions of the test were administered to 45 bilingual subjects: 15 healthy aging subjects, 15 patients with mild cognitive impairment and 15 patients with Alzheimer's disease. To…
Descriptors: Aging (Individuals), Semantics, Alzheimers Disease, Aphasia
Ash, Sharon; McMillan, Corey; Gross, Rachel G.; Cook, Philip; Morgan, Brianna; Boller, Ashley; Dreyfuss, Michael; Siderowf, Andrew; Grossman, Murray – Brain and Language, 2011
Narrative discourse is an essential component of day-to-day communication, but little is known about narrative in Lewy body spectrum disorder (LBSD), including Parkinson's disease (PD), Parkinson's disease with dementia (PDD), and dementia with Lewy bodies (DLB). We performed a detailed analysis of a semi-structured speech sample in 32 non-aphasic…
Descriptors: Dementia, Aphasia, Diseases, Patients
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
Walker, Grant M.; Schwartz, Myrna F.; Kimberg, Daniel Y.; Faseyitan, Olufunsho; Brecher, Adelyn; Dell, Gary S.; Coslett, H. Branch – Brain and Language, 2011
Semantic errors in aphasia (e.g., naming a horse as "dog") frequently arise from faulty mapping of concepts onto lexical items. A recent study by our group used voxel-based lesion-symptom mapping (VLSM) methods with 64 patients with chronic aphasia to identify voxels that carry an association with semantic errors. The strongest associations were…
Descriptors: Evidence, Semantics, Aphasia, Patients
Koukoulioti, Vasiliki – Clinical Linguistics & Phonetics, 2010
This study aims at investigating the production of the Greek modal and negative particles by non-fluent aphasic patients. These particles belong to the highest part of the verb periphrasis, so they are likely to be impaired in non-fluent aphasia, according to some hypotheses about agrammatic language. Moreover, there is an agreement relation…
Descriptors: Form Classes (Languages), Aphasia, Patients, Greek