LINGUISTIC SPECIFICITY OF THE LEFT TEMPORAL CORTEX: INTRAOPERATIVE BRAIN MAPPING DATA

Evdokiia Novozhilova (), Elizaveta Gordeyeva (), Ekaterina Stupina (), Valeriia Zelenkova (), Valeriia Zhirnova (), Andrey Zyryanov (), Andrey Zuev (), Nikita Pedyash (), Oleg Bronov (), Igor Medyanik (), Konstantin Yashin (), Evgenij Klyuev (), Natalia Gronskaya (), Andrey Sitnikov (), Lidiya Mishnyakova (), Alexander Dmitriev (), Galina Gunenko () and Olga Dragoy ()
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Evdokiia Novozhilova: National Research University Higher School of Economics
Elizaveta Gordeyeva: National Research University Higher School of Economics
Ekaterina Stupina: National Research University Higher School of Economics
Valeriia Zelenkova: National Research University Higher School of Economics
Valeriia Zhirnova: National Research University Higher School of Economics
Andrey Zyryanov: National Research University Higher School of Economics
Andrey Zuev: Department of Neurosurgery, National Medical and Surgical Center Named after N. I. Pirogov, Moscow, Russia
Nikita Pedyash: Department of Neurosurgery, National Medical and Surgical Center Named after N. I. Pirogov, Moscow, Russia
Oleg Bronov: Department of Radiology, National Medical and Surgical Center Named after N. I. Pirogov, Moscow, Russia
Igor Medyanik: Department of Neurosurgery, Privolzhsky Research Medical University, Nizhny Novgorod, Russia
Konstantin Yashin: Department of Neurosurgery, Privolzhsky Research Medical University, Nizhny Novgorod, Russia
Evgenij Klyuev: Department of Radiology, Privolzhsky Research Medical University, Nizhny Novgorod, Russia
Natalia Gronskaya: National Research University Higher School of Economics, Nizhny Novgorod, Russia
Andrey Sitnikov: Department of Neurosurgery, Federal Centre of Treatment and Rehabilitation of the Ministry of Healthcare of the Russian Federation, Moscow, Russia
Lidiya Mishnyakova: Department of Neurosurgery, Federal Centre of Treatment and Rehabilitation of the Ministry of Healthcare of the Russian Federation, Moscow, Russia
Alexander Dmitriev: Department of Neurosurgery, Federal Neurosurgical Center, Novosibirsk, Russia
Galina Gunenko: Department of Neurosurgery, Federal Neurosurgical Center, Novosibirsk, Russia
Olga Dragoy: National Research University Higher School of Economics

HSE Working papers from National Research University Higher School of Economics

Abstract: The present study sought to test the hypothesis that the production of speech and the comprehension of speech in the left temporal lobe can be anatomically disassociated. Moreover, it is aimed to show that the standard intraoperative object naming task is not sufficient to test all the functionally essential areas in the left temporal lobe. In the introductory part of the article we described the existing information about the left temporal lobe and the awake surgery procedure. In the course of the study, we collected and analyzed the data from intraoperative brain mapping of 25 patients with brain lesions – gliomas or pharmacoresistant epilepsy, who underwent awake craniotomy. All the patient went through intraoperative language mapping with the use of direct electrical stimulation. In order to map language production and comprehension modalities, in addition to the classical object naming task we used an additional task, the phonological judgment task. The results showed substantial dissociation between mapping of two tasks. According to these findings, we can conclude that the object naming task alone is not suitable for adequate brain mapping of the left temporal cortex. The same dissociation may be regarded as an argument in favor of the anatomical dissociation of the production and comprehension of speech in the left temporal cortex.

Keywords: neurolinguistics; left temporal lobe; production of speech; comprehension of speech; intraoperative brain mapping; direct electrical stimulation; object naming; phonological judgment (search for similar items in EconPapers)
JEL-codes: Z (search for similar items in EconPapers)
Pages: 15 pages
Date: 2020
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Published in WP BRP Series: Linguistics / LNG, October 2020, pages 1-15

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