Related Experiment Video
Updated: Jan 27, 2026
05:55
Modeling the Functional Network for Spatial Navigation in the Human Brain
Published on: October 13, 2023
1.5K
Dynamic resource allocation strategies in the human brain under cognitive overload: evidence from time-varying brain
Zhongrui Li1, Li Tong1, Ying Zeng1
1Henan Key Laboratory of Imaging and Intelligent Processing, PLA Strategic Support Force Information Engineering University, Zhengzhou, No. 62, High-tech Zone, Zhengzhou City, Henan Province, 450000, China.
Cerebral Cortex (New York, N.Y. : 1991)
|March 28, 2025
Summary
Cognitive overload reduces brain activation and delays responses. Brain network changes prioritize spatial memory, potentially impairing further processing.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Human-Computer Interaction
Background:
- Cognitive overload negatively impacts work and life.
- Brain mechanisms underlying cognitive overload are not fully understood.
Purpose of the Study:
- Investigate dynamic brain adjustments during cognitive overload.
- Identify brain network changes associated with cognitive overload.
Main Methods:
- Spatial configuration task with electroencephalography (EEG).
- Time-varying brain network analysis and source localization.
Main Results:
- Reduced overall brain activation and delayed responses under cognitive overload.
- Weakened right-hemisphere connectivity for spatial processing.
- Enhanced left-hemisphere connectivity.
- Hippocampus, fusiform gyrus, and superior frontal gyrus showed significant connectivity differences.
Conclusions:
- Cognitive overload shifts brain resources to spatial memory, potentially hindering subsequent processing.
- Specific brain regions (hippocampus, fusiform gyrus, superior frontal gyrus) are potential markers for cognitive overload.
- Findings offer insights into cognitive overload's impact on work performance.
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