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Manifestations of selective visual attention in human parietal and temporal cortex according to evoked potentials

Baranov-Krylov, I.N.; Shuvaev, V.T.

Rossiiskii Fiziologicheskii Zhurnal Imeni I.M. Sechenova 89(7): 776-785

2003

ISSN/ISBN: 0869-8139
PMID: 14758613
Document Number: 563499
The event-related potentials (ERPs) in visual discrimination task in parietal and temporal cortical areas were recorded in 11 young adults during passive observation (involuntary attention) and target selection (voluntary attention). The voluntary selective attention resulted in: 1) increased ERP correlation between the parietal; and temporal cortical areas; 2) increased correlation of sequential ERPs in monopolar leads (P3, P4, T3, T4, T5, T6); and 3) increased correlation of sequential ERPs in bipolar leads (P3-T3, P3-T5, P4-T4, P4-T6). The findings suggest that voluntary attention maintains a concordant activity of the parietal and temporal cortical areas in execution of visual selection tasks.

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