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The Role of the Primary Sensory Cortices in Early Language Processing

Papanicolaou, AC; Kilintari, M; Rezaie, R; Narayana, S; Babajani-Feremi, A; (2017) The Role of the Primary Sensory Cortices in Early Language Processing. Journal of Cognitive Neuroscience , 29 (10) pp. 1755-1765. 10.1162/jocn_a_01147. Green open access

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Abstract

The results of this magnetoencephalography study challenge two long-standing assumptions regarding the brain mechanisms of language processing: First, that linguistic processing proper follows sensory feature processing effected by bilateral activation of the primary sensory cortices that lasts about 100 msec from stimulus onset. Second, that subsequent linguistic processing is effected by left hemisphere networks outside the primary sensory areas, including Broca's and Wernicke's association cortices. Here we present evidence that linguistic analysis begins almost synchronously with sensory, prelinguistic verbal input analysis and that the primary cortices are also engaged in these linguistic analyses and become, consequently, part of the left hemisphere language network during language tasks. These findings call for extensive revision of our conception of linguistic processing in the brain.

Type: Article
Title: The Role of the Primary Sensory Cortices in Early Language Processing
Open access status: An open access version is available from UCL Discovery
DOI: 10.1162/jocn_a_01147
Publisher version: https://doi.org/10.1162/jocn_a_01147
Language: English
Additional information: This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Science & Technology, Social Sciences, Life Sciences & Biomedicine, Neurosciences, Psychology, Experimental, Neurosciences & Neurology, Psychology, SYNTHETIC-APERTURE MAGNETOMETRY, SHORT-TERM-MEMORY, AUDITORY-CORTEX, VISUAL-CORTEX, SPEECH-PERCEPTION, WORD RECOGNITION, TEMPORAL-LOBE, HEMISPHERIC DOMINANCE, EVOKED-POTENTIALS, SEMANTIC CONTEXT
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Div of Biosciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Div of Biosciences > Neuro, Physiology and Pharmacology
URI: http://discovery.ucl.ac.uk/id/eprint/10054709
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