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1
Lesion-site-dependent responses to therapy after aphasic stroke
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2
Less is more: neural mechanisms underlying anomia treatment in chronic aphasic patients.
Nardo, D.; Holland, R.; Leff, AP. - : Oxford University Press, 2017
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3
Auditory training changes temporal lobe connectivity in ‘Wernicke’s aphasia’: a randomised trial
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4
Four functionally distinct regions in the left supramarginal gyrus support word processing
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5
Why the left posterior inferior temporal lobe is needed for word finding
In: BRAIN , 139 pp. 2823-2826. (2016) (2016)
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6
Four Functionally Distinct Regions in the Left Supramarginal Gyrus Support Word Processing
In: CEREBRAL CORTEX , 26 (11) pp. 4212-4226. (2016) (2016)
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7
Comparing language outcomes in monolingual and bilingual stroke patients.
In: Brain , 138 (Pt 4) 1070 - 1083. (2015) (2015)
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8
A Trade-Off between Somatosensory and Auditory Related Brain Activity during Object Naming But Not Reading.
In: J Neurosci , 35 (11) 4751 - 4759. (2015) (2015)
Abstract: The parietal operculum, particularly the cytoarchitectonic area OP1 of the secondary somatosensory area (SII), is involved in somatosensory feedback. Using fMRI with 58 human subjects, we investigated task-dependent differences in SII/OP1 activity during three familiar speech production tasks: object naming, reading and repeatedly saying "1-2-3." Bilateral SII/OP1 was significantly suppressed (relative to rest) during object naming, to a lesser extent when repeatedly saying "1-2-3" and not at all during reading. These results cannot be explained by task difficulty but the contrasting difference between naming and reading illustrates how the demands on somatosensory activity change with task, even when motor output (i.e., production of object names) is matched. To investigate what determined SII/OP1 deactivation during object naming, we searched the whole brain for areas where activity increased as that in SII/OP1 decreased. This across subject covariance analysis revealed a region in the right superior temporal sulcus (STS) that lies within the auditory cortex, and is activated by auditory feedback during speech production. The tradeoff between activity in SII/OP1 and STS was not observed during reading, which showed significantly more activation than naming in both SII/OP1 and STS bilaterally. These findings suggest that, although object naming is more error prone than reading, subjects can afford to rely more or less on somatosensory or auditory feedback during naming. In contrast, fast and efficient error-free reading places more consistent demands on both types of feedback, perhaps because of the potential for increased competition between lexical and sublexical codes at the articulatory level.
Keyword: functional MRI; naming; parietal operculum; reading; somatosensory cortex; speech production
URL: http://discovery.ucl.ac.uk/1466899/
http://discovery.ucl.ac.uk/1466899/1/4751.full.pdf
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9
Plasticity of white matter connectivity in phonetics experts
In: Brain Structure and Function (2015) (In press). (2015)
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10
Sensory-to-motor integration during auditory repetition: a combined fMRI and lesion study.
In: Front Hum Neurosci , 8 , Article 24 . (2014) (2014)
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11
Inter- and intrahemispheric connectivity differences when reading Japanese Kanji and Hiragana.
In: Cereb Cortex , 24 (6) pp. 1601-1608. (2014) (2014)
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12
The importance of premotor cortex for supporting speech production after left capsular-putaminal damage.
In: J Neurosci , 34 (43) 14338 - 14348. (2014) (2014)
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13
Dissecting the functional anatomy of auditory word repetition.
In: Front Hum Neurosci , 8 , Article 246 . (2014) (2014)
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14
Perturbation of the left inferior frontal gyrus triggers adaptive plasticity in the right homologous area during speech production.
In: Proc Natl Acad Sci U S A , 110 (41) 16402 - 16407. (2013) (2013)
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15
Functionally distinct contributions of the anterior and posterior putamen during sublexical and lexical reading.
In: Front Hum Neurosci , 7 , Article 787 . (2013) (2013)
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16
Predicting outcome and recovery after stroke with lesions extracted from MRI images
In: NEUROIMAGE-CLINICAL , 2 pp. 424-433. (2013) (2013)
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17
Lesions impairing regular versus irregular past tense production
In: NeuroImage: Clinical , 3 438 - 449. (2013) (2013)
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18
Convergence, Degeneracy, and Control
In: In: (2013) (2013)
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19
Auditory-motor interactions for the production of speech in native and non-native speech
In: The Journal of Neuroscience , 33 (6) pp. 2376-2387. (2013) (2013)
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20
Reading without the left ventral occipito-temporal cortex.
In: Symplectic Elements at Oxford ; Europe PubMed Central ; PubMed (http://www.ncbi.nlm.nih.gov/pubmed/) ; Web of Science (Lite) (http://apps.webofknowledge.com/summary.do) ; Scopus (http://www.scopus.com/home.url) ; CrossRef (2012)
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