Resting-state EEG activity predicts frontoparietal network reconfiguration and improved attentional performance

Area of Science:

• Neuroscience
• Cognitive Psychology
• Electrophysiology

Background:

• Resting-state electroencephalography (EEG) activity is increasingly recognized for its association with cognitive functions.
• Understanding the physiological basis of this relationship is crucial for advancing cognitive neuroscience.

Purpose of the Study:

• To investigate the link between resting-state EEG activity, specifically beta-2 band power, and cognitive performance in healthy adults.
• To examine the stability of these relationships over a two-month period.
• To explore the role of frontoparietal connectivity in mediating cognitive function.

Main Methods:

• Recorded resting-state EEG and behavioral performance (visual search, gun shooting) in 36 healthy adults.
• Re-tested all participants after two months to assess reliability.
• Utilized correlation analyses to examine relationships between EEG measures, frontoparietal connectivity, and behavioral outcomes.

Main Results:

• Resting-state beta-2 band power (2-45 Hz) correlated with frontoparietal connectivity and behavioral performance across both sessions.
• Lower global beta-2 resting-state power (gB2rest) was associated with weaker frontoparietal connectivity but greater capacity for network reconfiguration.
• Participants with low gB2rest exhibited shorter reaction times and improved shooting accuracy in both test and retest.

Conclusions:

• Weak frontoparietal connectivity at rest may facilitate flexible network reconfigurations essential for optimal cognitive performance.
• Resting-state beta-2 power serves as a potential neurophysiological marker for cognitive flexibility and task-related performance.