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A developmental perspective on processing semantic context: preliminary evidence from sentential auditory word repetition in school-aged children
Mahler, N. A.; Chenery, H. J.. - : Springer, 2018
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Effects of subthalamic deep brain stimulation on noun/verb generation and selection from competing alternatives in Parkinson's disease
Castner, J E; Chenery, H J; Silburn, P A; Coyne, T J; Sinclair, F; Smith, E R; Copland, D A. - : British Medical Journal Publishing Group, 2008
Abstract: Background and aim: Impaired generation of verbs relative to nouns has been reported in Parkinson’s disease (PD) and has been associated with the frontal pathophysiology of PD. The aim of the present study was to measure noun/verb generation abilities in PD and to determine whether noun/verb generation is affected by stimulation of the subthalamic nucleus (STN). Patients and methods: 8 participants who had been diagnosed with PD and had received surgery for deep brain stimulation (DBS) of the STN as well as 15 control participants completed a noun/verb generation task with four probe–response conditions—namely, noun–noun, verb–noun, noun–verb and verb–verb conditions. Patients with PD were assessed while receiving STN stimulation and without stimulation. Results: During the off stimulation condition, patients with PD presented with a selective deficit in verb generation compared with control participants. However, when receiving STN stimulation, patients with PD produced significantly more errors than controls during the noun–noun and verb–verb conditions, supporting evidence from previous studies that STN stimulation modulates a frontotemporal network associated with word generation. Finally, errors during verb generation were significantly correlated with item selection constraint (ie, the degree to which a response competes with other response alternatives) in the on stimulation condition, but not the off stimulation condition. Conclusion: Our results suggest that STN stimulation affects the ability to select from many competing lexical alternatives during verb generation.
Keyword: Research papers
URL: http://jnnp.bmj.com/cgi/content/short/79/6/700
https://doi.org/10.1136/jnnp.2007.118729
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3
Effects of subthalamic deep brain stimulation on noun/verb generation and selection from competing alternatives in Parkinson's disease
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4
Lexical-semantic inhibitory mechanisms in Parkinson's disease as a function of subthalamic stimulation
Castner, J. E.; Copland, D. A.; Silburn, P. A.. - : Pergamon-elsevier Science Ltd, 2007
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5
The influence of dopamine on semantic activation in Parkinson's disease: Evidence from a multipriming task
Angwin, A. J.; Copland, D. A.; Chenery, H. J.. - : American Psychological Association, 2006
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6
A comparison of picture description abilities in individuals with vascular subcortical lesions and Huntington's Disease
Jensen, A. M.; Chenery, H. J.; Copland, D. A.. - : Elsevier Science Inc, 2006
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7
Searching for the trace: The influence of age, lexical activation and working memory on sentence processing
Angwin, A. J.; Chenery, H. J.; Copland, D. A.. - : Springer New York, 2006
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8
Interdisciplinary themes in language and speech
Chenery, H J. - : Springer/Plenum Publishers, 2006
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9
Acquisition and analysis of intraoperative microelectrode recordings of the subthalamic nucleus during linguistic processing
Castner, J. E.; Bradley, A. P.; Chenery, H. J.. - : Medimond International Proceedings, 2005
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10
Maintaining and updating semantic context in schizophrenia: an investigation of the effects of multiple remote primes
Chenery, H. J.; Copland, D. A.; McGrath, J.. - : Elsevier, 2004
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11
Dopamine and semantic activation: An investigation of masked direct and indirect priming
Angwin, A. J.; Chenery, H. J.; Copland, D. A.. - : Cambridge University Press, 2004
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12
Antecedent priming and online comprehension in aphasia
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13
Online well-formedness judgement in anomia and Broca's aphasia: Some converging outcomes
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14
Speeded anomaly deection in Broca's aphasia: Evidence of canonicity
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15
Well-formedness judgement in Broca's aphasia: A systematic comparison of different error-types and sentence-types
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16
The time course of semantic activation in Parkinson's disease
Angwin, A. J.; Chenery, H. J.; Copland, D. A.. - : Academic Press Inc., 2004
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17
The time course of semantic activation in Parkinson's disease
Angwin, A. J.; Chenery, H. J.; Copland, D. A.. - : Academic Press, 2004
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18
Temporal Constraints on Summation of Activation in Broca's Aphasia: Evidence from a Triplet-priming Task
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19
Dopamine enhances semantic salience: Semantic priming evidence from healthy individuals
Copland, D. A.; Chenery, H. J.; Murdoch, B. E.. - : Academic Press, 2003
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20
The effect of backward masking on direct and indirect semantic priming in patients with Parkinson's disease and in healthy individuals
Arnott, W. L.; Chenery, H. J.; Copland, D. A.. - : Academic Press, 2003
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