Dr. Shivakumar Viswanathan

Postdoctoral Scientist

Research Interests:

• The neuroscience and psychology of voluntary movements
• Body representations, motor imagery and motor cognition
• Stroke: Sensorimotor effects and recovery
• Machine learning methods for neuroimaging
• fMRI and EEG

Selected publications:

• Liu, L., Rosjat, N., Popovych, S., Wang, B. A., Yeldesbay, A., Toth, T., Viswanathan, S., Grefkes, C., Fink, G. R., & Daun, S., 2017, “Age-related changes in oscillatory power affect motor action”, PLoS One, 12(11):e0187911
• Wang, B. A., Viswanathan, S., Abdollahi, R. O., Popovych, S., Rosjat, N., Daun, S., Grefkes, C. & Fink, G. R., 2017, “Frequency-specific modulations of connectivity in the ipsilateral sensorimotor cortex by different forms of movement initiation”, Neuroimage, 159, pp. 248 - 260.
• Popovych, S., Rosjat, N., Toth, T. I., Wang, B. A., Liu, L., Abdollahi, R. O., Viswanathan, S., Grefkes, C., Fink, G. R., & Daun, S., 2016, “Movement-related phase locking in the delta-theta frequency band”, Neuroimage, 139, pp. 439 - 449.
• Wang, W., Viswanathan, S., Lee, T., & Grafton, S. T., 2016, “Coupling between theta oscillations and cognitive control network during cross-modal visual and auditory attention: Supramodal vs modality-specific mechanisms”, PloS One, 11(7), e0158465.
• Michely, J., Volz, L. J., Barbe, M. T., Hoffstaedter, F., Viswanathan, S., Timmermann, L., Eickhoff, S., Fink, G.R., and Grefkes, C., 2015, “Dopaminergic modulation of motor network dynamics in Parkinson’s disease”, Brain, pp. 664-678
• Grafton, S.T. and Viswanathan, S, 2015, “Rethinking the role of motor simulation in perceptual decisions”, in Progress in Motor Control, pp. 69-90. Springer New York.
• Barany, D., Della-Maggiore, V., Viswanathan, S., Cieslak, M., and Grafton, S. T., 2014, "Feature interactions enable decoding of sensorimotor transformations for goal-directed movement", Journal of Neuroscience, Vol. 34, No. 20, pp 6860 - 6873
• Viswanathan, S., Fritz, C., and Grafton, S.T., 2012, "Telling the right hand from the left hand: Multisensory integration, not motor imagery, solves the problem", Psychological Science, Vol. 23, No. 6, pp 598-607
• van Elk, M., Viswanathan, S., van Schie, H.T., Bekkering, H., and Grafton, S.T., 2012, "Pouring or chilling a bottle of wine: an fMRI study on the prospective planning of object-directed actions", 2012, Experimental Brain Research, Vol. 218, No. 2, pp 189-200
• Nenert, R., Viswanathan, S., Dubuc, D., and Visscher, K.M., 2012, "Modulations of ongoing alpha oscillations predict successful short-term visual memory encoding", 2012, Frontiers in Human Neuroscience, 6:127

• Viswanathan, S., Perl, D.R., Visscher, K.M., Kahana, M.J., and Sekuler, R., 2010, "Homogeneity computation: How inter-item similarity in visual short term memory alters recognition", Psychonomic Bulletin & Review, Vol. 17, No. 1, pp 59-65

   

  
  

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