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    • Copland, David A. (11)
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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Hits 1 – 11 of 11 1 Functional correlates of strategy formation and verbal suppression in Parkinson's disease Isaacs, Megan L.; McMahon, Katie L.; Angwin, Anthony J.. - : Elsevier BV, 2019 BASE Show details 2 Decreased semantic competitive inhibition in Parkinson's disease: evidence from an investigation of word search performance Angwin, Anthony; Chenery, Helen J.; Silburn, Peter A.... In: International journal of speech language pathology. - Abingdon : Informa Healthcare 12 (2010) 5, 437-445 BLLDB OLC Linguistik Show details 3 Decreased semantic competitive inhibition in Parkinson's disease: Evidence from an investigation of word search performance Arnott, Wendy L.; Chenery, Helen J.; Angwin, Anthony J.; Murdoch, Bruce E.; Silburn, Peter A.; Copland, David A.. - : Informa Healthcare, 2010 Abstract: Aberrant semantic competitive inhibition has been reported in Parkinson’s disease (PD). Whether PD-related alterations cause an increase or a decrease in lateral inhibition, however, remains unclear. Accordingly, the present study aimed to examine semantic inhibition during lexical-semantic processing in non-demented people with PD. Twenty-two people with PD and 18 matched controls completed a computerized word search task in which both the relationship between the background items and the target (related or unrelated) and the search type (open e.g., any dog or closed e.g., collie) were manipulated. It was hypothesized that decreased semantic inhibition would be evidenced by abnormally short response times for open searches among words related to the target, while increased inhibition would lead to abnormally long response times. Analysis of the results revealed that control participants performed open searches faster for unrelated vs related word lists. In contrast, the PD group recorded similar response times regardless of background items. Hence, the present findings are consistent with the notion of decreased semantic competitive inhibition in PD and suggest that an impaired ability to inhibit unwanted information during lexical retrieval may underlie observed deficits on semantic tasks such as verbal fluency. ©2010 The Speech Pathology Association of Australia Limited. Keyword: 1203 Language and Linguistics; 2733 Otorhinolaryngology; 2912 LPN and LVN; 2922 Research and Theory; 3616 Speech and Hearing; Activation; Cognitive-linguistic interactions; Deficits; Expressive Language; Language Processing; Models; Parkinson's disease; Retrieval; Sentence Comprehension; Speed; Task; Verbal Fluency URL: https://espace.library.uq.edu.au/view/UQ:218606 BASE Hide details 4 Semantic activation in Parkinson's disease patients on and off levodopa Angwin, Anthony J.; Arnott, Wendy L.; Copland, David A.. - : Elsevier Masson, 2009 BASE Show details 5 Impaired semantic inhibition during lexical ambiguity repetition in parkinson's disease Copland, David A.; Sefe, Gameli; Ashley, Jane. - : Elsevier Masson, 2009 BASE Show details 6 The basal ganglia circuits, dopamine, and ambiguous word processing: A neurobiological account of priming studies in Parkinson's disease Chenery, Helen J.; Angwin, Anthony J.; Copland, David A.. - : Cambridge University Press, 2008 BASE Show details 7 Semantic and affective priming as a function of stimulation of the subthalamic nucleus in Parkinson's disease Castner, Joanna E.; Chenery, Helen J.; Copland, David A.... In: Brain. - Oxford : Oxford Univ. Press 130 (2007) 5, 1395-1407 BLLDB Show details 8 Self-paced reading and sentence comprehension in Parkinson's disease Copland, David A.; Murdoch, Bruce E.; Chenery, Helen J.... In: Journal of neurolinguistics. - Orlando, Fla. : Elsevier 19 (2006) 3, 239-252 BLLDB OLC Linguistik Show details 9 Self-paced reading and sentence comprehension in Parkinson's disease Angwin, Anthony J.; Chenery, Helen J.; Copland, David A.. - : Pergamon, 2006 BASE Show details 10 Verb and context processing in Parkinson's disease Whiting, Emma; Copland, David A.; Angwin, Anthony In: Journal of neurolinguistics. - Orlando, Fla. : Elsevier 18 (2005) 3, 259-276 BLLDB Show details 11 Summation of semantic priming and complex sentence comprehension in Parkinson's disease Angwin, Anthony J.; Chenery, Helen J.; Copland, David A.. - : Elsevier Science, 2005 BASE Show details

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