Inter-electrode correlations measured with EEG predict individual differences in cognitive ability.

Autor:	Hakim N; Department of Psychology, University of Chicago, Chicago, IL 60637, USA; Institute for Mind and Biology, University of Chicago, Chicago, IL 60637, USA. Electronic address: nhakim2@stanford.edu., Awh E; Department of Psychology, University of Chicago, Chicago, IL 60637, USA; Institute for Mind and Biology, University of Chicago, Chicago, IL 60637, USA; Neuroscience Institute, University of Chicago, Chicago, IL 60637, USA., Vogel EK; Department of Psychology, University of Chicago, Chicago, IL 60637, USA; Institute for Mind and Biology, University of Chicago, Chicago, IL 60637, USA; Neuroscience Institute, University of Chicago, Chicago, IL 60637, USA., Rosenberg MD; Department of Psychology, University of Chicago, Chicago, IL 60637, USA; Neuroscience Institute, University of Chicago, Chicago, IL 60637, USA.
Jazyk:	angličtina
Zdroj:	Current biology : CB [Curr Biol] 2021 Nov 22; Vol. 31 (22), pp. 4998-5008.e6. Date of Electronic Publication: 2021 Oct 11.
DOI:	10.1016/j.cub.2021.09.036
Abstrakt:	Human brains share a broadly similar functional organization with consequential individual variation. This duality in brain function has primarily been observed when using techniques that consider the spatial organization of the brain, such as MRI. Here, we ask whether these common and unique signals of cognition are also present in temporally sensitive but spatially insensitive neural signals. To address this question, we compiled electroencephalogram (EEG) data from individuals of both sexes while they performed multiple working memory tasks at two different data-collection sites (n = 171 and 165). Results revealed that trial-averaged EEG activity exhibited inter-electrode correlations that were stable within individuals and unique across individuals. Furthermore, models based on these inter-electrode correlations generalized across datasets to predict participants' working memory capacity and general fluid intelligence. Thus, inter-electrode correlation patterns measured with EEG provide a signature of working memory and fluid intelligence in humans and a new framework for characterizing individual differences in cognitive abilities. Competing Interests: Declaration of interests The authors declare no competing interests. (Copyright © 2021 Elsevier Inc. All rights reserved.)
Databáze:	MEDLINE
Externí odkaz:	Zobrazit plný text záznamu