Rajiv Ranganathan

Summary

Affiliation: Northwestern University
Country: USA

Publications

  1. pmc Learning to be lazy: exploiting redundancy in a novel task to minimize movement-related effort
    Rajiv Ranganathan
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Chicago, Illinois 60611, USA
    J Neurosci 33:2754-60. 2013
  2. pmc Extracting synergies in gait: using EMG variability to evaluate control strategies
    Rajiv Ranganathan
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Chicago, IL, USA
    J Neurophysiol 108:1537-44. 2012
  3. doi request reprint Grasping possibilities for action: influence of object function and action capabilities
    Rajiv Ranganathan
    Department of Kinesiology, The Pennsylvania State University, Philadelphia, PA, USA
    Hum Mov Sci 30:1102-14. 2011
  4. ncbi request reprint Motor learning through induced variability at the task goal and execution redundancy levels
    Rajiv Ranganathan
    Department of Kinesiology, Pennsylvania State University, University Park, PA, USA
    J Mot Behav 42:307-16. 2010
  5. doi request reprint Changes in object-oriented arm movements that precede the transition to goal-directed reaching in infancy
    Mei Hua Lee
    Department of Kinesiology, The Pennsylvania State University, 266 Recreation Building, University Park, PA 16802, USA
    Dev Psychobiol 53:685-93. 2011
  6. pmc A pilot study on the feasibility of robot-aided leg motor training to facilitate active participation
    Chandramouli Krishnan
    Department of Physical Medicine and Rehabilitation, University of Michigan Medical School, Ann Arbor, Michigan, United States of America Department of Physical Medicine and Rehabilitation, Northwestern University Feinberg School of Medicine, Chicago, Illinois, United States of America Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Illinois, United States of America
    PLoS ONE 8:e77370. 2013
  7. doi request reprint Influence of augmented feedback on coordination strategies
    Rajiv Ranganathan
    Department of Kinesiology, The Pennsylvania State University, University Park, PA, USA
    J Mot Behav 41:317-30. 2009
  8. pmc Learning redundant motor tasks with and without overlapping dimensions: facilitation and interference effects
    Rajiv Ranganathan
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Chicago, Illinois 60611, Department of Physical Medicine and Rehabilitation, Northwestern University, Chicago, Illinois 60611
    J Neurosci 34:8289-99. 2014
  9. pmc Active robotic training improves locomotor function in a stroke survivor
    Chandramouli Krishnan
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Chicago, 60611 IL, USA
    J Neuroeng Rehabil 9:57. 2012
  10. doi request reprint Emergent flexibility in motor learning
    Rajiv Ranganathan
    Department of Kinesiology, The Pennsylvania State University, 266 Recreation Building, University Park, PA 16802 6501, USA
    Exp Brain Res 202:755-64. 2010

Detail Information

Publications16

  1. pmc Learning to be lazy: exploiting redundancy in a novel task to minimize movement-related effort
    Rajiv Ranganathan
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Chicago, Illinois 60611, USA
    J Neurosci 33:2754-60. 2013
    ..These results reinforce the idea that redundancy is exploited to minimize movement-related costs and that feedback plays a critical role in modulating this ability to effectively take advantage of the abundance of degrees of freedom...
  2. pmc Extracting synergies in gait: using EMG variability to evaluate control strategies
    Rajiv Ranganathan
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Chicago, IL, USA
    J Neurophysiol 108:1537-44. 2012
    ..The results emphasize the importance of examining EMG variability to understand the neural basis of muscle synergies...
  3. doi request reprint Grasping possibilities for action: influence of object function and action capabilities
    Rajiv Ranganathan
    Department of Kinesiology, The Pennsylvania State University, Philadelphia, PA, USA
    Hum Mov Sci 30:1102-14. 2011
    ..These results show that S-R compatibilities are influenced both by the object's function and the actor's action capabilities, and are interpreted in Gibson's (1979) framework of affordances...
  4. ncbi request reprint Motor learning through induced variability at the task goal and execution redundancy levels
    Rajiv Ranganathan
    Department of Kinesiology, Pennsylvania State University, University Park, PA, USA
    J Mot Behav 42:307-16. 2010
    ....
  5. doi request reprint Changes in object-oriented arm movements that precede the transition to goal-directed reaching in infancy
    Mei Hua Lee
    Department of Kinesiology, The Pennsylvania State University, 266 Recreation Building, University Park, PA 16802, USA
    Dev Psychobiol 53:685-93. 2011
    ....
  6. pmc A pilot study on the feasibility of robot-aided leg motor training to facilitate active participation
    Chandramouli Krishnan
    Department of Physical Medicine and Rehabilitation, University of Michigan Medical School, Ann Arbor, Michigan, United States of America Department of Physical Medicine and Rehabilitation, Northwestern University Feinberg School of Medicine, Chicago, Illinois, United States of America Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Illinois, United States of America
    PLoS ONE 8:e77370. 2013
    ..These findings provide a proof-of-concept demonstration that combining robotic gait training with a motor learning task enhances active participation. ..
  7. doi request reprint Influence of augmented feedback on coordination strategies
    Rajiv Ranganathan
    Department of Kinesiology, The Pennsylvania State University, University Park, PA, USA
    J Mot Behav 41:317-30. 2009
    ..These results show that ConFB facilitates using different solutions from trial to trial to achieve the same goal, and this may be a reason for poor performance when feedback is removed...
  8. pmc Learning redundant motor tasks with and without overlapping dimensions: facilitation and interference effects
    Rajiv Ranganathan
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Chicago, Illinois 60611, Department of Physical Medicine and Rehabilitation, Northwestern University, Chicago, Illinois 60611
    J Neurosci 34:8289-99. 2014
    ....
  9. pmc Active robotic training improves locomotor function in a stroke survivor
    Chandramouli Krishnan
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Chicago, 60611 IL, USA
    J Neuroeng Rehabil 9:57. 2012
    ..One key factor responsible for this is the use of control strategies that provide substantial guidance. This strategy not only leads to a reduction in volitional physical effort, but also interferes with motor relearning...
  10. doi request reprint Emergent flexibility in motor learning
    Rajiv Ranganathan
    Department of Kinesiology, The Pennsylvania State University, 266 Recreation Building, University Park, PA 16802 6501, USA
    Exp Brain Res 202:755-64. 2010
    ..It appears that flexibility in interceptive tasks is emergent from learning a particular task-relevant parameter related to the target location...
  11. ncbi request reprint Anodal transcranial direct current stimulation alters elbow flexor muscle recruitment strategies
    Chandramouli Krishnan
    Department of Physical Medicine and Rehabilitation, University of Michigan Medical School, Ann Arbor, MI, USA Sensory Motor Performance Program, Rehabilitation Institute of Chicago, IL, USA Department of Physical Medicine and Rehabilitation, Northwestern University Feinberg School of Medicine, Chicago, IL, USA Electronic address
    Brain Stimul 7:443-50. 2014
    ..However, the effect of tDCS on agonist and antagonist volitional muscle activation is currently not known...
  12. pmc The body-machine interface: a new perspective on an old theme
    Maura Casadio
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Illinois 60611, USA
    J Mot Behav 44:419-33. 2012
    ..They outline the steps involved in building such an interface and highlight the critical role of body-machine interfaces in addressing theoretical issues in motor control as well as their utility in movement rehabilitation...
  13. doi request reprint Individual differences in the exploration of a redundant space-time motor task
    Adam C King
    Department of Kinesiology, Pennsylvania State University, United States
    Neurosci Lett 529:144-9. 2012
    ..Overall, the results in this space-time task reveal that the intrinsic dynamics of the individual channel the initial exploratory solutions to learning a redundant motor task...
  14. ncbi request reprint Online feedback and the regulation of degrees of freedom in motor control
    Rajiv Ranganathan
    Department of Kinesiology, 266 Recreation Building, The Pennsylvania State University, University Park, PA 16802 6501, USA
    Hum Mov Sci 27:577-89. 2008
    ..The availability of online feedback is dependent on the nature of the task and this contributes to task-dependent changes in the regulation of the degrees of freedom...
  15. doi request reprint Influence of motor learning on utilizing path redundancy
    Rajiv Ranganathan
    Department of Kinesiology, The Pennsylvania State University, University Park, PA 16802 6501, USA
    Neurosci Lett 469:416-20. 2010
    ..Further, the sequential dependence in the paths suggests that the exploration of redundant solutions is a systematic search process...
  16. doi request reprint Motor synergies: feedback and error compensation within and between trials
    Rajiv Ranganathan
    Department of Kinesiology, 266 Recreation Building, The Pennsylvania State University, University Park, PA 16802 6501, USA
    Exp Brain Res 186:561-70. 2008
    ..The distinction between these two classes of variation is central to understanding the redundancy problem in motor control...