Randomized trial examines neural activity differences in motor imagery stages, highlighting implications for brain-computer interfaces and rehabilitation.
Key Points
The study aims to understand how neural activity varies during different stages of motor imagery using stereoelectroencephalography.
Stereoelectroencephalography was performed on ten epilepsy patients during cued limb motor imagery.
Neural activity was analyzed across preparation and imagery stages, focusing on low-frequency and high-frequency power changes.
Activity was compared across cortical and subcortical regions to assess modulation dynamics.
Low-frequency activity showed suppression during preparation (ERD) and activation during imagery (ERS).
High-frequency responses were stronger and exhibited activation-suppression sequences in several regions.
Findings suggest that neural responses differ across stages of motor imagery and involve deep brain structures.