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N400 and Emotional Word Processing in Parkinson's Disease
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Lexical ambiguity resolution during sentence processing in Parkinson’s disease: An event-related potential study
Angwin, Anthony J.; Dissanayaka, Nadeeka N. W.; McMahon, Katie L.. - : Public Library of Science, 2017
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3
N400 and emotional word processing in Parkinson's disease
Dissanayaka, Nadeeka N. W.; Au, Tiffany R.; Angwin, Anthony J.. - : American Psychological Association, 2017
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4
Lexical ambiguity resolution during sentence processing in Parkinson's disease: an event-related potential study
Angwin, Anthony J.; Dissanayaka, Nadeeka N. W.; McMahon, Katie L.. - : Public Library of Science, 2017
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5
A neurophysiological study of semantic processing in Parkinson’s disease
Angwin, Anthony J.; Dissanayaka, Nadeeka N. W.; Moorcroft, Alison. - : Cambridge University Press, 2017
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6
The Influence of Dopamine on Automatic and Controlled Semantic Activation in Parkinson's Disease
Arnott, Wendy L.; Copland, David A.; Chenery, Helen J.. - : SAGE-Hindawi Access to Research, 2011
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7
The influence of dopamine on automatic and controlled semantic activation in Parkinson's disease.
Arnott, Wendy L.; Copland, David A.; Chenery, Helen J.. - : Hindawi Publishing, 2011
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8
Decreased semantic competitive inhibition in Parkinson's disease: evidence from an investigation of word search performance
In: International journal of speech language pathology. - Abingdon : Informa Healthcare 12 (2010) 5, 437-445
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9
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.. - : Informa Healthcare, 2010
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10
Dopaminergic Neuromodulation of Semantic Processing: A 4-T fMRI Study with Levodopa
Copland, David A.; McMahon, Katie L.; Silburn, Peter A.. - : Oxford University Press, 2009
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11
Dopaminergic Neuromodulation of Semantic Processing: A 4-T fMRI Study with Levodopa
Copland, David A.; McMahon, Katie L.; Silburn, Peter A.. - : Oxford University Press, 2009
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12
Semantic activation in Parkinson's disease patients on and off levodopa
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13
Dopaminergic neuromodulation of semantic processing: A 4-T fMRI study with levodopa
Copland, David A.; McMahon, Katie L.; Silburn, Peter A.. - : Oxford University Press., 2009
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14
Semantic and affective priming as a function of stimulation of the subthalamic nucleus in Parkinson's disease
In: Brain. - Oxford : Oxford Univ. Press 130 (2007) 5, 1395-1407
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15
The effects of subthalamic deep brain stimulation on noun/verb generation and selection from competing alternatives in Parkinson's disease
Castner, Joanna E; Chenery, Helen J; Silburn, Peter A. - : BMJ Publishing Group Ltd, 2007
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16
The speed of lexical activation is altered in Parkinson's disease
Abstract: Disturbed comprehension of complex noncanonical sentences in Parkinson's disease (PD) has been linked to dopamine depletion and delayed lexical retrieval. The aim of the present study was to replicate findings of delayed lexical activation in PD patients with noncanonical sentence processing difficulties, and investigate the influence of dopamine depletion on these changes to lexical access. In the first experiment, 20 patients with PD (tested whilst 'on' dopaminergic medication) and 23 controls participated in a list priming experiment. In this paradigm, stimuli are presented as a continuous list of words/nonwords, and semantic priming effects were measured across inter-stimulus intervals (ISIs) of 500 ms, 1000 ms and 1500 ms, with data analyzed using multivariate analyses of variance. The results revealed longer delays in lexical activation for PD patients with poor comprehension of noncanonical sentences, suggesting that the speed of lexical access may be compromised in PD, and that this feature may contribute to certain sentencecomprehension difficulties. In the second experiment, 7 patients with PD who participated in the first experiment, performed the same lexical decision task while 'off' their dopaminergic medication. Semantic priming effects were measured across ISIs of 500 ms and 1500 ms. Within group comparisons revealed a different pattern of semantic priming for the PD patients when 'on' compared to 'off' medication, providing further support for a dopaminergic influence on the speed of information processing and lexical activation.
Keyword: 380102 Learning; 380302 Linguistic Processes (incl. Speech Production and Comprehension); 730303 Occupational; Aphasia; Basal Ganglia; C1; Clinical; Clinical Neurology; Cognition and Language; Constructions; Dopaminergic Modulation; Fmri; Memory; Processing Speed; Psychology; Resource; Semantic Activation; speech and physiotherapy; Supports Sentence Comprehension; Time-course
URL: https://espace.library.uq.edu.au/view/UQ:127625
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17
Self-paced reading and sentence comprehension in Parkinson's disease
In: Journal of neurolinguistics. - Orlando, Fla. : Elsevier 19 (2006) 3, 239-252
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18
Priming of semantic features in Parkinson's disease
In: Brain & language. - Orlando, Fla. [u.a.] : Elsevier 99 (2006) 1-2, 100
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19
Self-paced reading and sentence comprehension in Parkinson's disease
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20
Priming of semantic features in Parkinson’s disease
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