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Dynamics of EEG functional connectivity during statistical learning

Dynamics of EEG functional connectivity during statistical learning

Tóth, Brigitta, Janacsek, Karolina ORCID: 0000-0001-7829-8220, Takacs, Adam, Kobor, Andrea, Zavecz, Zsofia and Nemeth, Dezso (2017) Dynamics of EEG functional connectivity during statistical learning. Neurobiology of Learning and Memory, 144. pp. 216-229. ISSN 1074-7427 (doi:

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Statistical learning is a fundamental mechanism of the brain, which extracts and represents regularities of our environment. Statistical learning is crucial in predictive processing, and in the acquisition of perceptual, motor, cognitive, and social skills. Although previous studies have revealed competitive neurocognitive processes underlying statistical learning, the neural communication of the related brain regions (functional connectivity, FC) has not yet been investigated. The present study aimed to fill this gap by investigating FC networks that promote statistical learning in humans. Young adults (N = 28) performed a statistical learning task while 128-channels EEG was acquired. The task involved probabilistic sequences, which enabled to measure incidental/implicit learning of conditional probabilities. Phase synchronization in seven frequency bands was used to quantify FC between cortical regions during the first, second, and third periods of the learning task, respectively. Here we show that statistical learning is negatively correlated with FC of the anterior brain regions in slow (theta) and fast (beta) oscillations. These negative correlations increased as the learning progressed. Our findings provide evidence that dynamic antagonist brain networks serve a hallmark of statistical learning.

Item Type: Article
Uncontrolled Keywords: EEG, functional connectivity, implicit learning, phase synchronization, predictive processing, statistical learning
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Faculty / School / Research Centre / Research Group: Faculty of Education, Health & Human Sciences
Faculty of Education, Health & Human Sciences > School of Human Sciences (HUM)
Last Modified: 24 Feb 2021 11:12

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