Stratification of Motor Cortex Excitability to Transcranial Stimulation Uncovers Functional Network Differences in Healthy Older Adults as Revealed by Resting State EEG Functional Coupling in Brain Network

Key Points

• The research aims to explore differences in brain functional networks in healthy older adults by assessing motor cortex excitability using EEG.
• Used resting state EEG to analyze brain networks in healthy older adults
• Applied transcranial stimulation to assess motor cortex excitability
• Examined correlations in functional coupling between brain regions
• Identified distinct functional network patterns associated with varying motor cortex excitability
• Evidences the sensitivity of resting state EEG in detecting subtle brain activity changes
• Suggests potential for early monitoring of clinical symptoms through EEG analysis.