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Havas, Viktoria; Rodriguez-Fornells, Antoni; Clahsen, Harald – Brain and Language, 2012
This study investigates brain potentials to derived word forms in Spanish. Two experiments were performed on derived nominals that differ in terms of their productivity and semantic properties but are otherwise similar, an acceptability judgment task and a reading experiment using event-related brain potentials (ERPs) in which correctly and…
Descriptors: Semantics, Morphemes, Spanish, Brain Hemisphere Functions
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
Corina, David P.; Loudermilk, Brandon C.; Detwiler, Landon; Martin, Richard F.; Brinkley, James F.; Ojemann, George – Brain and Language, 2010
This study reports on the characteristics and distribution of naming errors of patients undergoing cortical stimulation mapping (CSM). During the procedure, electrical stimulation is used to induce temporary functional lesions and locate "essential" language areas for preservation. Under stimulation, patients are shown slides of common objects and…
Descriptors: Semantics, Neurology, Patients, Comprehension
Almor, Amit; Aronoff, Justin M.; MacDonald, Maryellen C.; Gonnerman, Laura M.; Kempler, Daniel; Hintiryan, Houri; Hayes, UnJa L.; Arunachalam, Sudha; Andersen, Elaine S. – Brain and Language, 2009
We tested the ability of Alzheimer's patients and elderly controls to name living and non-living nouns, and manner and instrument verbs. Patients' error patterns and relative performance with different categories showed evidence of graceful degradation for both nouns and verbs, with particular domain-specific impairments for living nouns and…
Descriptors: Semantics, Verbs, Nouns, Alzheimers Disease
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
Duman, Tuba Yarbay; Bastiaanse, Roelien – Brain and Language, 2009
This study tested the production of tensed finite verbs and participles referring to the past and future in agrammatic speakers of Turkish. The agrammatic speakers did not make more time reference errors in tensed verbs than in participles. This is interesting because tense in general cannot therefore be the main problem, since time reference for…
Descriptors: Verbs, Turkish, Neurolinguistics, Aphasia
Liegeois, Frederique; Morgan, Angela T.; Stewart, Lorna H.; Cross, J. Helen; Vogel, Adam P.; Vargha-Khadem, Faraneh – Brain and Language, 2010
Hemispherectomy (disconnection or removal of an entire cerebral hemisphere) is a rare surgical procedure used for the relief of drug-resistant epilepsy in children. After hemispherectomy, contralateral hemiplegia persists whereas gross expressive and receptive language functions can be remarkably spared. Motor speech deficits have rarely been…
Descriptors: Articulation (Speech), Children, Receptive Language, Profiles
Kinno, Ryuta; Muragaki, Yoshihiro; Hori, Tomokatsu; Maruyama, Takashi; Kawamura, Mitsuru; Sakai, Kuniyoshi L. – Brain and Language, 2009
It has been known that lesions in the left inferior frontal gyrus (L. IFG) do not always cause Broca's aphasia, casting doubt upon the specificity of this region. We have previously devised a picture-sentence matching task for a functional magnetic resonance imaging (fMRI) study, and observed that both pars triangularis (L. F3t) of L. IFG…
Descriptors: Sentences, Sentence Structure, Intelligence Quotient, Patients
Bormann, Tobias; Kulke, Florian; Wallesch, Claus-W.; Blanken, Gerhard – Brain and Language, 2008
Within a discrete two-stage model of lexicalization, semantic errors and errors of omission are assumed to be independent events. In contrast, cascading and interactive models allow for an influence of word form on lexical selection and thus for an inherent relationship in accounting for both error types. A group of 17 aphasic patients was…
Descriptors: Semantics, Aphasia, Patients, Semiotics
Hodgson, Catherine; Lambon Ralph, Matthew A. – Brain and Language, 2008
Semantic errors are commonly found in semantic dementia (SD) and some forms of stroke aphasia and provide insights into semantic processing and speech production. Low error rates are found in standard picture naming tasks in normal controls. In order to increase error rates and thus provide an experimental model of aphasic performance, this study…
Descriptors: Speech Impairments, Neurological Impairments, Error Patterns, Visual Stimuli
de Bree, Elise; Janse, Esther; van de Zande, Anne Marie – Brain and Language, 2007
This paper investigates stress assignment in Dutch aphasic patients in non-word repetition, as well as in real-word and non-word reading. Performance on the non-word reading task was similar for the aphasic patients and the control group, as mainly regular stress was assigned to the targets. However, there were group differences on the real-word…
Descriptors: Control Groups, Aphasia, Error Patterns, Patients
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
Faroqi-Shah, Yasmeen; Thompson, Cynthia K. – Brain and Language, 2004
Verb inflection errors, often seen in agrammatic aphasic speech, have been attributed to either impaired encoding of diacritical features that specify tense and aspect, or to impaired affixation during phonological encoding. In this study we examined the effect of semantic markedness, word form frequency and affix frequency, as well as accuracy…
Descriptors: Verbs, Semantics, Error Patterns, Aphasia
Hochstadt, Jesse; Nakano, Hiroko; Lieberman, Philip; Friedman, Joseph – Brain and Language, 2006
Studies of sentence comprehension deficits in Parkinson's disease (PD) patients suggest that language processing involves circuits connecting subcortical and cortical regions. Anatomically segregated neural circuits appear to support different cognitive and motor functions. To investigate which functions are implicated in PD comprehension…
Descriptors: Memory, Sentences, Neurological Impairments, Patients
Nasti, Marianna; Marangolo, Paola – Brain and Language, 2005
We report the case of a patient who showed a marked deficit in compound reading after almost complete recovery from his aphasic disturbances. Omission of one of the two compound components was his most frequent type of error. The patient also produced many paraphasias, which always respected the compound structure of the target. Similar errors…
Descriptors: Aphasia, Reading Difficulties, Patients, Case Studies
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