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1
NEREC, an effective brain mapping protocol for combined language and long-term memory functions
In: ISSN: 1525-5050 ; EISSN: 1525-5069 ; Epilepsy & Behavior ; https://hal.archives-ouvertes.fr/hal-01413830 ; Epilepsy & Behavior, [San Diego CA]: Elsevier B.V., 2015, 53, pp.140 - 148. ⟨10.1016/j.yebeh.2015.09.017⟩ (2015)
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Hemispheric specialization for language according to grapho-phonemic transformation and gender. A divided visual field experiment.
In: ISSN: 0278-2626 ; EISSN: 1090-2147 ; Brain and Cognition ; https://hal.archives-ouvertes.fr/hal-00967645 ; Brain and Cognition, Elsevier, 2009, 69 (3), pp.465-71. ⟨10.1016/j.bandc.2008.10.001⟩ (2009)
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Modulation de la spécialisation hémisphérique du langage par le degré de transparence grapho-phonémique et le sexe. Etude comportementale en champ visuel divisé
In: ISSN: 2101-6739 ; Revue de neuropsychologie, neurosciences cognitives et cliniques ; https://hal.archives-ouvertes.fr/hal-00862010 ; Revue de neuropsychologie, neurosciences cognitives et cliniques, John Libbey Eurotext, 2009, 4 (1), pp.288-98. ⟨10.1684/nrp.2009.0051⟩ (2009)
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Functional MRI approach for assessing hemispheric predominance of regions activated by a phonological and a semantic task.
In: ISSN: 0720-048X ; European Journal of Radiology ; https://hal.archives-ouvertes.fr/hal-00798632 ; European Journal of Radiology, Elsevier, 2007, pp.63(2):274-85 (2007)
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Functional MRI approach for assessing hemispheric predominance of regions activated by a phonological and a semantic task
In: ISSN: 0720-048X ; European Journal of Radiology ; https://hal.archives-ouvertes.fr/hal-00169574 ; European Journal of Radiology, Elsevier, 2007, 63, pp.274-285 (2007)
Abstract: This fMRI study performed in healthy subjects aimed at using a statistical approach in order to determine significant functional differences between hemispheres and to assess specialized regions activated during a phonological and during a semantic task. This approach (“flip” method and subsequent statistical analyses of the parameter estimates extracted from regions of interest) allows identifying: (a) hemispheric specialized regions for each language task [semantic (living categorization) and phonological (rhyme detection)] and (b) condition-specific regions with respect to paradigm conditions (task and control). Our results showed that the rhyme-specific task regions were the inferior frontal (sub-region of BA44, 45) and left inferior parietal (BA40, 39) lobules. Furthermore, within the inferior parietal lobule, the angular gyruswas specific to target (rhyming) items (related to successfully grapho-phonemic processing). The categorization-specific task regions were the left inferior frontal (sub-region of BA 44, 45) and superior temporal (BA 22) cortices. Furthermore, the superior temporal gyrus was related to non-target (non-living) items (correlated to task difficulty). The relatively new approach used in this study has the advantage of providing: (a) statistical significance of the hemispheric specialized regions for a given language task and (b) supplementary information in terms of paradigm condition-specificity of the activated regions. The results (standard hemispheric specialized regions for a semantic and for a phonological task) obtained in healthy subjects may constitute a basement for mapping language and assessing hemispheric predominance in epileptic patients before surgery and avoiding post-surgical impairments of language.
Keyword: [SDV.NEU]Life Sciences [q-bio]/Neurons and Cognition [q-bio.NC]; Flip; fMRI; Hemispheric dominance; Language; Phonology; Semantics
URL: https://hal.archives-ouvertes.fr/hal-00169574
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Hemispheric predominance assessment of phonology and semantics: A divided visual field experiment
In: ISSN: 0278-2626 ; EISSN: 1090-2147 ; Brain and Cognition ; https://hal.archives-ouvertes.fr/hal-00169565 ; Brain and Cognition, Elsevier, 2006, 61, pp.298-304. ⟨10.1016/j.bandc.2006.02.005⟩ (2006)
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