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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
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
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
Healy, Eric W.; Moser, Dana C.; Morrow-Odom, K. Leigh; Hall, Deborah A.; Fridriksson, Julius – Journal of Speech, Language, and Hearing Research, 2007
Purpose: To examine reductions in performance on auditory tasks by aphasic and neurologically intact individuals as a result of concomitant magnetic resonance imaging (MRI) scanner noise. Method: Four tasks together forming a continuum of linguistic complexity were developed. They included complex-tone pitch discrimination, same-different…
Descriptors: Auditory Perception, Aphasia, Auditory Tests, Auditory Stimuli
Laures-Gore, Jacqueline; Heim, Christine M.; Hsu, Yu-Sheng – Journal of Speech, Language, and Hearing Research, 2007
Purpose: In this study, the authors explore a method of measuring physiologic and perceived stress in individuals with aphasia by investigating salivary cortisol reactivity and subjectively perceived stress in response to a standardized linguistic task. Method: Fifteen individuals with aphasia and 15 age-matched healthy controls participated in a…
Descriptors: Linguistics, Intervals, Control Groups, Aphasia
Blaney, Bronagh; Hewlett, Nigel – International Journal of Language & Communication Disorders, 2007
Background: Friedreich's ataxia is one of the most common hereditary disorders of the nervous system. Dysarthria is a pervasive symptom of Friedreich's ataxia, yet the clinical presentation of speech symptoms remains poorly understood, leaving clinicians without the evidence required to develop therapy interventions. Aims: The research reported…
Descriptors: Severity (of Disability), Profiles, Phonetics, Males
van Lieshout, Pascal H. H. M.; Bose, Arpita; Square, Paula A.; Steele, Catriona M. – Clinical Linguistics & Phonetics, 2007
Apraxia of speech (AOS) is typically described as a motor-speech disorder with clinically well-defined symptoms, but without a clear understanding of the underlying problems in motor control. A number of studies have compared the speech of subjects with AOS to the fluent speech of controls, but only a few have included speech movement data and if…
Descriptors: Speech, Aphasia, Stuttering, Speech Impairments
Roland, Douglas; Dick, Frederic; Elman, Jeffrey L. – Journal of Memory and Language, 2007
Many recent models of language comprehension have stressed the role of distributional frequencies in determining the relative accessibility or ease of processing associated with a particular lexical item or sentence structure. However, there exist relatively few comprehensive analyses of structural frequencies, and little consideration has been…
Descriptors: Sentence Structure, Psycholinguistics, Grammar, Child Language
Alexiadou, Artemis; Stavrakaki, Stavroula – Brain and Language, 2006
In this paper, we investigate the performance of a Greek-English bilingual patient with Broca's aphasia and mild agrammatism on the placement of CP, MoodP, AspectP, and NegP-related adverbs, labeled specifier-type adverbs, and VP-related adverbs, labeled complement-type adverbs, by means of a constituent ordering task and a grammaticality judgment…
Descriptors: Form Classes (Languages), Bilingualism, Patients, Aphasia
Lexical Competition Effects in Aphasia: Deactivation of Lexical Candidates in Spoken Word Processing
Janse, Esther – Brain and Language, 2006
Research has shown that Broca's and Wernicke's aphasic patients show different impairments in auditory lexical processing. The results of an experiment with form-overlapping primes showed an inhibitory effect of form-overlap for control adults and a weak inhibition trend for Broca's aphasic patients, but a facilitatory effect of form-overlap was…
Descriptors: Aphasia, Lexicology, Language Processing, Patients

Brookshire, Robert H. – Topics in Language Disorders, 1987
The article compares normal language comprehension with that in aphasic patients in terms of both sentence and discourse comprehension. Implications for treatment of aphasic patients include emphasizing comprehension of main ideas, rather than details, and using materials with high imagery and personal relevance. (DB)
Descriptors: Aphasia, Listening Comprehension, Receptive Language, Therapy

Li, Edith Chin; Canter, Gerald J. – Journal of Communication Disorders, 1987
The study investigated A. R. Luria's hypothesis that aphasic subgroups (Broca's, conduction, Wernicke's, and anomic aphasics) would respond differentially to phonemic prompts. Results, with the exception of the anomic aphasic group, supported Luria's predictions. (Author/DB)
Descriptors: Aphasia, Language Skills, Phonemics, Prompting

Meara, Paul – International Journal of Bilingualism, 1999
Describes how Random Boolean Networks can be used to simulate simple lexicons, and shows how some puzzling properties of real lexicons seem to emerge spontaneously in these models. Describes simple simulations of bilingual aphasia, and shows that a range of recovery patterns can be observed in these simulations. (Author/VWL)
Descriptors: Aphasia, Bilingualism, Computational Linguistics, Multilingualism
Ahlsen, Elisabeth – Clinical Linguistics and Phonetics, 2005
The main objective of this study is to illustrate how adaptation to linguistic limitations takes place in a specific activity and is affected by factors pertaining to the social activity or the individuals. A man with aphasia is compared to an adult immigrant L2 learner. An argumentative role play was video-recorded, transcribed and analysed. Both…
Descriptors: Semantics, Linguistics, Play, Aphasia
Weekes, Brendan Stuart; Su, I. Fan; Yin, Wengang; Zhang, Xihong – Bilingualism: Language and Cognition, 2007
Cognitive neuropsychological studies of bilingual patients with aphasia have contributed to our understanding of how the brain processes different languages. The question we asked is whether differences in script have any impact on language processing in bilingual aphasic patients who speak languages with different writing systems: Chinese and…
Descriptors: Oral Reading, Aphasia, Foreign Countries, Brain