Abstract:
:The vigilance decrement in performance is a significant operational issue in various applied settings. Psychophysiological methods for diagnostic monitoring of vigilance have focused on power spectral density measures from the electroencephalogram (EEG). This article addresses the diagnosticity of an alternative set of EEG measures, coherence between different electrode sites. Coherence metrics may index the functional connectivity between brain regions that supports sustained attention. Coherence was calculated for seven pre-defined brain networks. Workload and time-on-task factors primarily influenced alpha and theta coherence in anterior, central, and inter-hemispheric networks. Individual differences in coherence in inter-hemispheric, left intro-hemispheric and posterior networks correlated with performance. These findings demonstrate the potential applied utility of coherence metrics, although several methodological limitations and challenges must be overcome.
journal_name
Appl Psychophysiol Biofeedbackjournal_title
Applied psychophysiology and biofeedbackauthors
Kamzanova A,Matthews G,Kustubayeva Adoi
10.1007/s10484-020-09461-4subject
Has Abstractpub_date
2020-09-01 00:00:00pages
183-194issue
3eissn
1090-0586issn
1573-3270pii
10.1007/s10484-020-09461-4journal_volume
45pub_type
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journal_title:Applied psychophysiology and biofeedback
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