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Abstract #2309

fMRI & DTI to Study Neural Correlates in Controlled Brain Stimulation for Post Stroke Rehabilitation

Amit Mehndiratta1, Neha Singh1, Megha Saini1, Debasish Nath1, Nand Kumar2, Senthil Kumaran3, and MV Padma Srivastava4
1Centre for Biomedical Engineering, Indian Institute of Technology Delhi, New Delhi, India, 2Department of Psychiatry, All India Institute of Medical Sciences, New Delhi, India, 3Department of NMR, All India Institute of Medical Sciences, New Delhi, India, 4Department of Neurology, All India Institute of Medical Sciences, New Delhi, India

Synopsis

Keywords: Stroke, Stroke, Rehabilitation, DTI

Motivation: To study the impact of closed-loop brain stimulation in neuroplasticity in stroke rehabilitation.

Goal(s): In this study we investigate with fMRI and diffusion tensor MR imaging the neural correlates with closed loop brain stimulation in stroke.

Approach: fMRI and DTI for six subjects was taken in a pilot case-control study.

Results: fMRI and DTI both showed higher cortical activity and increase in FA values for ipsilesional CST in cohort of patients with TMS-robotic intervention than the control group.

Impact: A brain stimulation system integrated with an exoskeleton, providing a real-time bidirectional feedback mechanism for patients, has been shown to actively involve patients in their rehabilitation journey.

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