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Language control and lexical competition in bilinguals: An event-related fMRI study
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In: CEREB CORTEX , 18 (7) 1496 - 1505. (2008) (2008)
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Rhyme processing in the brain: An ERP mapping study
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In: INT J PSYCHOPHYSIOL , 63 (3) 240 - 250. (2007) (2007)
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Transient crossed aphasia evidenced by functional brain imagery
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In: NEUROREPORT , 15 (5) 785 - 790. (2004) (2004)
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Variability of fMRI activation during a phonological and semantic language task in healthy subjects
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In: HUM BRAIN MAPP , 23 (3) 140 - 155. (2004) (2004)
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Transient crossed aphasia evidenced by functional brain imagery
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Variability of fMRI activation during a phonological and semantic language task in healthy subjects
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Processing of semantic categorical and associative relations: an ERP mapping study
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Semantic category and rhyming processing in the left and right cerebral hemisphere
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Interhemispheric transfer evaluation in multiple sclerosis
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Ortiz, N; Reicherts, M; Pegna, AJ; Garran, E; Chofflon, M; Roth, S; Annoni, JM; Landis, T; Mayer, E. - : VERLAG HANS HUBER, 2000
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Abstract:
Patients suffering from Multiple Sclerosis (MS) have frequently been found to suffer from damage to callosal fibers. Investigations have shown that this damage is associated with signs of hemisphere disconnections. The aim of our study was to provide evidence for the first signs of interhemispheric dysfunction in a mildly disabled MS population. Therefore, we explored whether the Interhemispheric Transfer (IT) deficit is multi-modal and sought to differentiate two MS evolution forms, on the basis of an interhemispheric disconnection index. Twenty-two patients with relapsing-remitting form of MS (RRMS) and 14 chronic-progressive (CPMS) were compared with matched controls on four tasks: a tachistoscopic verbal and non-verbal decision task, a dichotic listening test, cross tactile finger localization and motor tapping. No overall impairment was seen. The dichotic listening and lexical decision tasks were the most sensitive to MS. In addition, CPMS patients' IT was more impaired and was related to the severity of neurological impairment. The different sizes of the callosal fibers, which determine their vulnerability, may explain the heterogeneity of transfer through the Corpus Callosum. Therefore, evaluation of IT may be of value as an index of evolution in MS.
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Keyword:
Atrophy; Corpus-Callosum; Disconnection; Follow-Up; Lesions; Mri
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URL: https://espace.library.uq.edu.au/view/UQ:0c6ef1e
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Spatio-temporal analysis of electric brain activity during semantic and phonological word processing.
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In: International Journal of Psychophysiology , 32 (3) 215 - 231. (1999) (1999)
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Semantically-triggered reading epilepsy: An experimental case study
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Spatio-temporal analysis of electric brain activity during semantic and phonological word processing
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