06/06/2025
🧠 Decreased Beta Activity: An EEG Biomarker in Traumatic Brain Injury
Traumatic Brain Injury (TBI) often leads to alterations in brainwave patterns, detectable through quantitative EEG (qEEG). One notable change is the reduction in beta frequency activity, which is associated with cognitive functions such as attention, alertness, and active thinking.
Clinical Insight:
A recent case involved a patient who experienced a traffic accident resulting in TBI. qEEG analysis revealed a significant decrease in beta activity, correlating with the patient's reported difficulties in concentration and executive functioning.
Research Findings:
Studies have demonstrated that TBI patients exhibit reduced beta power, particularly in frontal regions, reflecting impairments in cognitive processing and attention. For instance, research indicates that joint increases in theta power and decreases in beta power are observed in individuals with TBI, highlighting disruptions in neural networks responsible for executive functions.
Implications for Practice:
Objective Assessment: qEEG provides measurable data on beta activity, aiding in the diagnosis and understanding of TBI-related cognitive deficits.
Personalized Rehabilitation: Identifying specific EEG biomarkers allows for tailored neurorehabilitation strategies targeting the affected cognitive domains.
Monitoring Progress: Regular qEEG assessments can track changes in beta activity, informing the effectiveness of therapeutic interventions.
At iMediSync, our iSyncWave system offers advanced qEEG analysis, enabling clinicians to detect and monitor such biomarkers effectively.
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