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fMRI based evaluation of yoga-induced changes in ischemic post-stroke patients
Rama Jayasundar1, Dushyant Kumar1, Rajesh Mishra1, Priyanka Jain2, Jaideep Sachdeva3, Chahat Kumar1, Priyanka Bhagat4, and Padma Srivastava4
1Department of NMR, All India Institute of Medical Sciences, New Delhi, India, 2Centre for Development of Advanced Computing, New Delhi, India, 3Manipal University, Jaipur, India, 4Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
Stroke is a debilitating  disease with long term effects. With increasing interest in use of yoga in post-stroke recovery, this fMRI study has demonstrated increase in the BOLD activity in the left pre-central gyrus region in ischemic stroke patients, 3 and 6 months post-yoga intervention.
Figure 1: Longitudinal changes in the National Institutes of Health Stroke Scale (NIHSS) scores in ischemic stroke patients subjected to yoga intervention.
Figure 2: Representative frequency distribution of the BOLD activity from a left hemisphere ischemic stroke patient. The purple peak corresponds the zero time point (pre-intervention), the red to 3 months post-intervention and green to 6 months post-intervention.