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1
An fMRI investigation of the effects of attempted naming on word retrieval in aphasia
Heath, Shiree; McMahon, Katie L; Nickels, Lyndsey A. - : Frontiers Research Foundation, 2015
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2
An fMRI investigation of the effects of attempted naming on word retrieval in aphasia
Heath, Shiree; McMahon, Katie L.; Nickels, Lyndsey A.. - : Frontiers Media S.A., 2015
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3
An fMRI investigation of the effects of attempted naming on word retrieval in aphasia
Heath, Shiree; McMahon, Katie L.; Nickels, Lyndsey. - : Frontiers Research Foundation, 2015
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4
Facilitation of naming in aphasia with auditory repetition : an investigation of neurocognitive mechanisms
Abstract: Prior phonological processing can enhance subsequent picture naming performance in individuals with aphasia, yet the neurocognitive mechanisms underlying this effect and its longevity are unknown. This study used functional magnetic resonance imaging to examine the short-term (within minutes) and long-term (within days) facilitation effects from a phonological task in both participants with aphasia and age-matched controls. Results for control participants suggested that long-term facilitation of subsequent picture naming may be driven by a strengthening of semantic-phonological connections, while semantic and object recognition mechanisms underlie more short-term effects. All participants with aphasia significantly improved in naming accuracy following both short- and long-term facilitation. A descriptive comparison of the neuroimaging results identified different patterns of activation for each individual with aphasia. The exclusive engagement of a left hemisphere phonological network underlying facilitation was not revealed. The findings suggest that improved naming in aphasia with phonological tasks may be supported by changes in right hemisphere activity in some individuals and reveal the potential contribution of the cerebellum to improved naming following phonological facilitation. Conclusions must be interpreted with caution, however, due to the comparison of corrected group control results to that of individual participants with aphasia, which were not corrected for multiple comparisons. ; 15 page(s)
Keyword: 170200 Cognitive Sciences; Aphasia; Auditory repetition; FMRI; Overt picture naming; Phonology
URL: http://hdl.handle.net/1959.14/229058
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5
Facilitation of naming in aphasia with auditory repetition: an investigation of neurocognitive mechanisms
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6
Neural mechanisms underlying the facilitation of naming in aphasia using a semantic task : an fMRI study
van Hees, Sophia; McKinnon, Eril; Nickels, Lyndsey. - : BioMed Central, 2012
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7
Priming picture naming with a semantic task : an fMRI investigation
Heath, Shiree; McMahon, Katie; Nickels, Lyndsey. - : Public Library of Science, 2012
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8
The Neural correlates of picture naming facilitated by auditory repetition
Heath, Shiree; McMahon, Katie; Nickels, Lyndsey. - : BioMed Central, 2012
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9
Priming Picture Naming with a Semantic Task: An fMRI Investigation
Heath, Shiree; McMahon, Katie; Nickels, Lyndsey. - : Public Library of Science, 2012
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10
Neural mechanisms underlying the facilitation of naming in aphasia using a semantic task: an fMRI study
Heath, Shiree; McMahon, Katie L; Nickels, Lyndsey. - : BioMed Central, 2012
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11
Priming picture naming with a semantic task: An fMRI investigation
Heath, Shiree; McMahon, Katie; Nickels, Lyndsey. - : Public Library of Science, 2012
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12
Neural mechanisms underlying the facilitation of naming in aphasia using a semantic task: an fMRI study
Heath, Shiree; McMahon, Katie L.; Nickels, Lyndsey. - : BioMed Central, 2012
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13
Tracking the Arcuate Fasciculus in Patients with Aphasia
In: Procedia - Social and Behavioral Sciences. - 6 (2010) , 86-87, ISSN: 1877-0428 (2010)
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14
Electrophysiological correlates of naming facilitation in aphasia
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15
Tracking the arcuate fasciculus in patients with aphasia
Schnell, Susanne; Copland, David; Heath, Shiree. - : Elsevier BV, 2010
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16
Neural Substrates of Naming Following Semantic Verification in Aphasia
Holmes, Anna; Heath, Shiree; McMahon, Katie. - : ELSEVIER SCIENCE BV, 2010
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17
Neural substrates and timecourse of phonological facilitation in aphasia
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