Spatial synchronization of the θ and α band cortical electrical oscillations in the formation of a set to an angry face expression in 5- to 11-year-old children |
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Authors: | E A Kostandov D A Farber E A Cheremushkin N E Petrenko M L Ashkinazi |
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Institution: | 1.Institute of Higher Nervous Activity and Neurophysiology,Russian Academy of Sciences,Moscow,Russia;2.Institute of Developmental Physiology,Russian Academy,Moscow,Russia |
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Abstract: | The θ and α band EEG coherence during forming and testing sets to an emotionally negative facial expression (angry) was studied
in five- to six-year-old (n = 18) and 10- to 11-year-old (n = 25) children. Younger children displayed lower coherence values, especially in the right hemisphere, than older ones. Differences
in θ- and α band coherence in the cases of rigid and flexible sets to an angry face expression were also revealed. With relatively
rigid forms of cognitive activity, the EEG coherence values were lower. A correlation between the electrophysiological and
behavioral data was established. It supports the hypothesis that two functional brain integration systems, the corticohippocampal
and the frontothalamic ones, play a role in the processes of facial expression recognition and provide cognition flexibility. |
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