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Abstract #3941

Understanding the functional connectivity of neural engagement of motor imagery and task through EEG engagement index informed fMRI

Deepanshi Dabas1,2, Srishti Keshari1,3, Pawan Kumar1, Ardaman Kaur1, Swati Agrawal1, Prabhjot Kaur1, Maria M D'souza1, and Vijayakumar C1
1NMR Research centre, Institute of Nuclear Medicine and Allied Sciences, DRDO, New Delhi, India, 2Maharaja Surajmal Institute of Technology, New Delhi, India, 3Banasthali Vidyapith, Rajasthan, India

Understanding neural engagement of Motor imagery facilitates development of various Brain-Computer Interface systems for rehabilitation purposes effectively. This study brings more insights on the neural underpinnings and associated functional connectivity of basal-ganglia, temporal and frontal-parietal regions during both Motor Imagery (MI) and Motor Action (MA) gripping tasks of randomised left, right and both hands movement with fifteen right-handed volunteers, using EEG-engagement index informed fMRI and functional connectivity approach. Functional connectivity analysis of the neural correlates reveal statistically elevated engagement of basal-ganglia, superior temporal gyrus and frontal-parietal regions in imagery, left handed imagery/action and both hand gripping tasks respectively.

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