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1
Language control and lexical competition in bilinguals: An event-related fMRI study
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.
In: Cerebral Cortex, vol. 18, no. 7, pp. 1496-1505 (2008)
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3
Dissociating the semantic relation and language effects in the bilingual brain: an event-related potential study
Khateb, A.; Pegna, A. J.; Michel, C. M.. - : WILEY-BLACKWELL, 2008
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4
Rhyme processing in the brain: An ERP mapping study
In: INT J PSYCHOPHYSIOL , 63 (3) 240 - 250. (2007) (2007)
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5
Language selection in bilinguals: a spatio-temporal analysis of electric brain activity.
In: International Journal of Psychophysiology, vol. 65, no. 3, pp. 201-13 (2007)
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6
Rhyme processing in the brain: an ERP mapping study.
In: International Journal of Psychophysiology, vol. 63, no. 3, pp. 240-250 (2007)
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7
Transient crossed aphasia evidenced by functional brain imagery
In: NEUROREPORT , 15 (5) 785 - 790. (2004) (2004)
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8
Variability of fMRI activation during a phonological and semantic language task in healthy subjects
In: HUM BRAIN MAPP , 23 (3) 140 - 155. (2004) (2004)
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9
Variability of fMRI activation during a phonological and semantic language task in healthy subjects.
In: Human Brain Mapping, vol. 23, no. 3, pp. 140-155 (2004)
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10
Transient crossed aphasia evidenced by functional brain imagery.
In: Neuroreport, vol. 15, no. 5, pp. 785-790 (2004)
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11
Transient crossed aphasia evidenced by functional brain imagery
Khateb, A; Martory, MD; Annoni, JM. - : LIPPINCOTT WILLIAMS & WILKINS, 2004
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12
Variability of fMRI activation during a phonological and semantic language task in healthy subjects
Abstract: zAssessing inter-individual variability of functional activations is of practical importance in the use of functional magnetic resonance imaging (fMRI) in a clinical context. In this fMRI study we addressed this issue in 30 right-handed, healthy subjects using rhyme detection (phonologic) and semantic categorization tasks. Significant activations, found mainly in the left hemisphere, concerned the inferior frontal gyrus, the superior/middle temporal gyri, the prefrontal cortex, the inferior parietal lobe, the superior parietal lobule/superior occipital gyrus, the pre-central gyrus, and the supplementary motor area. Intensity/spatial analysis comparing activations in both tasks revealed an increased involvement of frontal regions in the semantic task and of temporo-parietal regions in the phonologic task. The frequency of activation analyzed in nine regional subdivisions revealed a high inter-subject variability but showed that the most frequently activated regions were the inferior frontal gyrus and the prefrontal cortex. Laterality indices, strongly lateralizing in both tasks, were slightly higher in the semantic (0.76 +/- 0.19) than the phonologic task (0.66 +/- 0.27). Frontal dominance indices (a measure of frontal vs. posterior left hemisphere dominance) indicated more robust frontal activations in the semantic than the phonologic task. Our study allowed the characterization of the most frequently involved foci in two language tasks and showed that the combination of these tasks constitutes a suitable tool for determining language lateralization and for mapping major language areas. (C) 2004 Wiley-Liss, Inc.
Keyword: Frontal-Cortex; Functional Mri; Human Brain; Individual Variability; Inferior Prefrontal Cortex; Intersubject Variability; Positron-Emission Tomography; Sentence Comprehension; Temporal-Lobe Activation; Wada Test
URL: https://espace.library.uq.edu.au/view/UQ:f4c54f7
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13
Processing of semantic categorical and associative relations: an ERP mapping study.
In: International Journal of Psychophysiology, vol. 49, no. 1, pp. 41-55 (2003)
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14
L'examen neuropsychologique en pratique quotidienne [Neuropsychological test in daily practice]
In: Revue médicale de la Suisse romande, vol. 123, no. 4, pp. 263-7 (2003)
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15
Processing of semantic categorical and associative relations: an ERP mapping study
Khateb, A; Michel, CM; Pegna, AJ. - : ELSEVIER SCIENCE BV, 2003
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16
Dynamics of brain activation during an explicit word and image recognition task: an electrophysiological study.
In: Brain Topography, vol. 14, no. 3, pp. 197-213 (2002)
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17
Language representation in a patient with a dominant right hemisphere: fMRI evidence for an intrahemispheric reorganisation
In: NEUROREPORT , 12 (13) 2785 - 2790. (2001) (2001)
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18
The time course of semantic category processing in the cerebral hemispheres: an electrophysiological study.
In: Brain Research. Cognitive brain research, vol. 10, no. 3, pp. 251-264 (2001)
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19
Semantic category and rhyming processing in the left and right cerebral hemisphere
In: Laterality, vol. 5, no. 1, pp. 35-53 (2000)
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20
Semantic category and rhyming processing in the left and right cerebral hemisphere
Khateb, A; Pegna, AJ; Michel, CM. - : ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD, 2000
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