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Effects of Verb Overlap on Structural Priming in Dialogue: Implications for Syntactic Learning in Aphasia
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Man, Grace; Meehan, Sarah; Martin, Nadine; Branigan, Holly; Lee, Jiyeon – Journal of Speech, Language, and Hearing Research, 2019
Purpose: Although there is increasing interest in using structural priming as a means to ameliorate grammatical encoding deficits in persons with aphasia (PWAs), little is known about the precise mechanisms of structural priming that are associated with robust and enduring effects in PWAs. Two dialogue-like comprehension-to-production priming…
Descriptors: Aphasia, Verbs, Priming, Syntax
Word Learning in Aphasia: Treatment Implications and Structural Connectivity Analyses
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Coran, Monica; Rodriguez-Fornells, Antoni; Ramos-Escobar, Neus; Laine, Matti; Martin, Nadine – Topics in Language Disorders, 2020
Objective: Of current interest in aphasia research is the relevance of what we can learn from studying word learning ability in aphasia. In a preliminary study, we addressed 2 issues related to the novel word learning ability of individuals with aphasia. First, as word learning engages large-scale cognitive-linguistic systems (language skills,…
Descriptors: Vocabulary Development, Aphasia, Brain Hemisphere Functions, Receptive Language
Model Choice and Sample Size in Item Response Theory Analysis of Aphasia Tests
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Hula, William D.; Fergadiotis, Gerasimos; Martin, Nadine – American Journal of Speech-Language Pathology, 2012
Purpose: The purpose of this study was to identify the most appropriate item response theory (IRT) measurement model for aphasia tests requiring 2-choice responses and to determine whether small samples are adequate for estimating such models. Method: Pyramids and Palm Trees (Howard & Patterson, 1992) test data that had been collected from…
Descriptors: Sample Size, Guessing (Tests), Aphasia, Item Response Theory
Translational Research in Aphasia: From Neuroscience to Neurorehabilitation
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Raymer, Anastasia M.; Beeson, Pelagie; Holland, Audrey; Kendall, Diane; Maher, Lynn M.; Martin, Nadine; Murray, Laura; Rose, Miranda; Thompson, Cynthia K.; Turkstra, Lyn; Altmann, Lori; Boyle, Mary; Conway, Tim; Hula, William; Kearns, Kevin; Rapp, Brenda; Simmons-Mackie, Nina; Gonzalez Rothi, Leslie J. – Journal of Speech, Language, and Hearing Research, 2008
Purpose: In this article, the authors encapsulate discussions of the Language Work Group that took place as part of the Workshop in Plasticity/NeuroRehabilitation Research at the University of Florida in April 2005. Method: In this narrative review, they define neuroplasticity and review studies that demonstrate neural changes associated with…
Descriptors: Investigations, Aphasia, Speech Therapy, Workshops
A Case-Series Test of the Interactive Two-Step Model of Lexical Access: Predicting Word Repetition from Picture Naming
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Dell, Gary S.; Martin, Nadine; Schwartz, Myrna F. – Journal of Memory and Language, 2007
Lexical access in language production, and particularly pathologies of lexical access, are often investigated by examining errors in picture naming and word repetition. In this article, we test a computational approach to lexical access, the two-step interactive model, by examining whether the model can quantitatively predict the repetition-error…
Descriptors: Aphasia, Word Recognition, Phonology, Prediction
A Case-Series Test of the Interactive Two-Step Model of Lexical Access: Evidence from Picture Naming
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Schwartz, Myrna F.; Dell, Gary S.; Martin, Nadine; Gahl, Susanne; Sobel, Paula – Journal of Memory and Language, 2006
Many facts about aphasic and nonaphasic naming are explained by models that use spreading activation to map from the semantics of a word to its phonology. The implemented model of picture naming discussed here achieves this by coupling interactive feedback with two selection steps. The model's structure and default parameters were set up to match…
Descriptors: Semantics, Phonology, Aphasia, Case Studies
Access to Knowledge from Pictures but not Words n a Patient with Progressive Fluent Aphasia.
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Saffran, Eleanor M.; Coslett, H. Branch; Martin, Nadine; Boronat, Consuelo B. – Language and Cognitive Processes, 2003
Presents data from a patient with a progressive fluent aphasia, who exhibited a severe verbal impairment but a relatively preserved access to knowledge from pictures. Argues for a distributed, multi-modality system for semantic memory in which information is stored in different brain regions and in different representational formats. (Author/VWL)
Descriptors: Aphasia, Brain Hemisphere Functions, Cognitive Processes, Memory
Contextual Priming in Semantic Anomia: A Case Study
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Renvall, Kati; Laine, Matti; Martin, Nadine – Brain and Language, 2005
The present case continues the series of anomia treatment studies with contextual priming (CP), being the second in-depth treatment study conducted for an individual suffering from semantically based anomia. Our aim was to acquire further evidence of the facilitation and interference effects of the CP treatment on semantic anomia. Based on the…
Descriptors: Semantics, Aphasia, Case Studies, Hypothesis Testing
Measurements of Auditory-Verbal STM Span in Aphasia: Effects of Item, Task, and Lexical Impairment
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Martin, Nadine; Ayala, Jennifer – Brain and Language, 2004
In the first part of this study, we investigated effects of item and task type on span performance in a group of aphasic individuals with word processing and STM deficits. Group analyses revealed significant effects of item on span performance with span being greater for digits than for words. We also investigated associations between subjects'…
Descriptors: Phonology, Short Term Memory, Aphasia, Correlation
Phonological Facilitation of Semantic Errors in Normal and Aphasic Speakers.
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Martin, Nadine; And Others – Language and Cognitive Processes, 1996
Examines semantic errors produced by normal and aphasic speakers on a picture naming test for their phonological similarity to the targets they replace. A second study examines phonological relationships within sets of semantically related words and shows there is no tendency for these words to share phonological characteristics. (35 references)…
Descriptors: Aphasia, Associative Learning, Consonants, Data Analysis