Theta- and alpha-band EEG activity in response to eye gaze cues in early infancy

Michel, Christine and Stets, Manuela and Parise, Eugenio and Reid, Vincent and Striano, Tricia and Hoehl, Stefanie (2015) Theta- and alpha-band EEG activity in response to eye gaze cues in early infancy. NeuroImage, 118. pp. 576-583. ISSN 1053-8119

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In order to elucidate the development of how infants use eye gaze as a referential cue, we investigated theta and alpha oscillations in response to object-directed and object-averted eye gaze in infants aged 2, 4, 5, and 9 months. At 2 months of age, no difference between conditions was found. In 4- and 9-month-olds, alpha-band activity desynchronized more in response to faces looking at objects compared to faces looking away from objects. Theta activity in 5-month-old infants differed between conditions with more theta synchronization for object-averted eye gaze. Whereas alpha desynchronization might reflect mechanisms of early social object learning, theta is proposed to imply activity in the executive attention network. The interplay between alpha and theta activity represents developmental changes in both kinds of processes during early infancy.

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This is the author’s version of a work that was accepted for publication in Neuroimage. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Neuroimage, 118, 2015 DOI: 10.1016/j.neuroimage.2015.06.042
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18 Jun 2015 05:36
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17 Sep 2023 01:37