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Titolo:
Cortical connectivity during word association search
Autore:
Ivanitsky, AM; Nikolaev, AR; Ivanitsky, GA;
Indirizzi:
Russian Acad Sci, Inst Higher Nervous Act & Neurophysiol, Moscow 117485, Russia Russian Acad Sci Moscow Russia 117485 europhysiol, Moscow 117485, Russia
Titolo Testata:
INTERNATIONAL JOURNAL OF PSYCHOPHYSIOLOGY
fascicolo: 1, volume: 42, anno: 2001,
pagine: 35 - 53
SICI:
0167-8760(200108)42:1<35:CCDWAS>2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Soggetto:
INSTANTANEOUS COHERENCE; EEG COHERENCE; BRAIN-AREAS; TIME-COURSE; RESPONSES; PERCEPTION; SYNCHRONIZATION; SENSITIVITY; HANDEDNESS; ATTENTION;
Keywords:
binding problem; thinking; language; word association; EEG mapping; wavelet transforms;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Life Sciences
Citazioni:
52
Recensione:
Indirizzi per estratti:
Indirizzo: Ivanitsky, AM Russian Acad Sci, Inst Higher Nervous Act & Neurophysiol, Butlerova 5A, Moscow 117485, Russia Russian Acad Sci Butlerova 5A Moscow Russia 117485 , Russia
Citazione:
A.M. Ivanitsky et al., "Cortical connectivity during word association search", INT J PSYCP, 42(1), 2001, pp. 35-53

Abstract

Cortical connectivity was studied in tasks of generating the use of words in comparison with reading aloud the same words. These tasks were used earlier in PET and high density ERP recordings studies (Posner and Raichle, 1997; Abdullaev and Posner, 1998), in which both the functional anatomy and the time course of cortical areas involved in word processing were described. The wavelet transforms of ERP records and the calculation of correlations between wavelet curves were used to reveal connections between cortical areas. Three stages of intracortical communications while task performance were found. These were: (1) the connections between right and left frontal andcentral areas which preceded stimulus delivery and persisted up to 180 ms after it; (2) the network connecting right and left frontal with left posterior temporal-parietal junction at 280-450 ms; and (3) communications between left and right temporal zones in 550-800 ms. The data are in good agreement with results of previous PET and ERP studies and supply the earlier findings with circuitry of cortical information transfer. (C) 2001 Elsevier Science B.V. All rights reserved.

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Documento generato il 25/01/20 alle ore 19:24:11