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EEG connectivity patterns in response to gaming and learning-based cognitive stimulations in Rett syndrome
Ana Tost1, Sergio Romero2, Joan F Alonso2
1Department of Automatic Control (ESAII), Biomedical Engineering Research Centre (CREB), Universitat Politècnica de Catalunya (UPC), Barcelona, Spain; Institut de Recerca Sant Joan de Déu, Barcelona, Spain.
Research in Developmental Disabilities
|May 25, 2024
Summary
Cognitive stimulation, particularly gaming, enhances brain connectivity in Rett syndrome (RTT). This approach shows promise for improving cognitive function and offers potential biomarkers for intervention effectiveness.
Area of Science:
- Neuroscience
- Developmental Neuroscience
Background:
- Functional connectivity in Rett syndrome (RTT) is understudied.
- Existing research links RTT's clinical and genetic factors to coherence measures.
- Understanding RTT's neural mechanisms and cognitive processes requires further exploration.
Purpose of the Study:
- To assess how learning-focused and gaming-oriented cognitive stimulation affects electroencephalography (EEG) brain connectivity in RTT.
- To compare stimulation effects with resting states to identify potential biomarkers.
- To gain insights into RTT's neural processes related to cognitive tasks.
Main Methods:
- 15 girls with RTT participated in 25-minute sessions.
- EEG recorded brain activity during alternating active and passive tasks with eye-tracking.
- Analysis focused on spectral patterns and connectivity changes across different frequency bands.
Main Results:
- Cognitive tasks significantly altered delta, alpha, and beta bands.
- Both learning and gaming tasks induced spectral pattern and connectivity shifts, suggesting enhanced neural processing.
- Active tasks showed linear and nonlinear connectivity alterations compared to resting state; passive tasks did not.
Conclusions:
- Cognitive stimulation can enhance brain connectivity and information flow in RTT.
- Gaming activities show potential for improving learning outcomes in individuals with RTT.
- Findings provide valuable markers for evaluating cognitive interventions in RTT.
