1. Comparative analysis of multifaceted neural effects associated with varying endogenous cognitive load.
- Author
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Pei, Leisi, Northoff, Georg, and Ouyang, Guang
- Abstract
Contemporary neuroscience has firmly established that mental state variation concurs with changes in neural dynamic activity in a complex way that a one-to-one mapping cannot describe. To explore the scenario of the multifaceted changes in neural dynamics associated with simple mental state variation, we took cognitive load – a common cognitive manipulation in psychology – as a venue to characterize how multiple neural dynamic features are simultaneously altered by the manipulation and how their sensitivity differs. Electroencephalogram was collected from 152 participants performing stimulus-free tasks with different demands. The results show that task demand alters wide-ranging neural dynamic features, including band-specific oscillations across broad frequency bands, scale-free dynamics, and cross-frequency phase-amplitude coupling. The scale-free dynamics outperformed others in indexing cognitive load variation. This study demonstrates a complex relationship between cognitive dynamics and neural dynamics, which points to a necessity to integrate multifaceted neural dynamic features when studying mind-brain relationship in the future. Analysis of EEG data from 152 participants performing stimulus-free tasks with different demands suggests that manipulation of cognitive load by changing the task demand alters wide-ranging neural dynamic features. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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