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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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Language control and lexical competition in bilinguals: an event-related FMRI study.
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In: Cerebral Cortex, vol. 18, no. 7, pp. 1496-1505 (2008)
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Dissociating the semantic relation and language effects in the bilingual brain: an event-related potential study
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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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Language selection in bilinguals: a spatio-temporal analysis of electric brain activity.
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In: International Journal of Psychophysiology, vol. 65, no. 3, pp. 201-13 (2007)
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Rhyme processing in the brain: an ERP mapping study.
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In: International Journal of Psychophysiology, vol. 63, no. 3, pp. 240-250 (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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Variability of fMRI activation during a phonological and semantic language task in healthy subjects.
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In: Human Brain Mapping, vol. 23, no. 3, pp. 140-155 (2004)
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Transient crossed aphasia evidenced by functional brain imagery.
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In: Neuroreport, vol. 15, no. 5, pp. 785-790 (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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In: International Journal of Psychophysiology, vol. 49, no. 1, pp. 41-55 (2003)
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L'examen neuropsychologique en pratique quotidienne [Neuropsychological test in daily practice]
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In: Revue médicale de la Suisse romande, vol. 123, no. 4, pp. 263-7 (2003)
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Processing of semantic categorical and associative relations: an ERP mapping study
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Abstract:
Brain imaging studies have repeatedly shown a dominant involvement of the left hemisphere (LH) in the processing of semantic information. However, some behavioural studies have suggested that the right hemisphere (RH) also processes lexico-semantic information although in a qualitatively different way. More specifically, it has been proposed that the LH shows a greater sensitivity to categorical (CR, or intraconceptual) relationships, while the RH appears more sensitive to associative (AR, or interconceptual) ones. Using semantically unrelated and related word pairs comprised of CR and AR, our aim in this study was to verify the involvement of the RH in the processing of associative relationships. Strength-independent topographical analysis of ERP map series using temporal segmentation procedures showed the same sequence of eight stable map segments in CR and AR conditions. Statistical analysis revealed no difference between conditions either in terms of duration or in terms of time of occurrence of the segmentation maps. However, field strength comparisons between the two conditions using the global field power measure at each time point revealed higher field strength in CR than in AR condition between 300 and 330 ms. Distributed source localisation showed a similar pattern of activation during this time period, involving predominantly left frontal regions. Nevertheless, the strength of the source found in the left medial frontal gyrus differed between CR than AR conditions, thus explaining the differences observed in field strength. Our data suggest that the processing of CR and AR words depend on the same neural network in the, LH. (C) 2003 Elsevier Science B.V. All rights reserved.
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Keyword:
Cerebral Hemispheres; Dynamics; Electric Brain Activity; Event-Related Potentials; Functional Mri; Language; Right-Hemisphere Lesions; Spatiotemporal Analysis; Task; Words
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URL: https://espace.library.uq.edu.au/view/UQ:92c4f7e
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Dynamics of brain activation during an explicit word and image recognition task: an electrophysiological study.
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In: Brain Topography, vol. 14, no. 3, pp. 197-213 (2002)
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Language representation in a patient with a dominant right hemisphere: fMRI evidence for an intrahemispheric reorganisation
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In: NEUROREPORT , 12 (13) 2785 - 2790. (2001) (2001)
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The time course of semantic category processing in the cerebral hemispheres: an electrophysiological study.
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In: Brain Research. Cognitive brain research, vol. 10, no. 3, pp. 251-264 (2001)
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Semantic category and rhyming processing in the left and right cerebral hemisphere
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In: Laterality, vol. 5, no. 1, pp. 35-53 (2000)
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Semantic category and rhyming processing in the left and right cerebral hemisphere
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