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NEURAL POPULATION DYNAMICS IN MOTOR CORTEX ARE DIFFERENT FOR REACH AND GRASP

Aneesha K. Suresh, James M. Goodman, Elizaveta V. Okorokova, Matthew T. Kaufman, Nicholas G. Hatsopoulos, View ORCID ProfileSliman J. Bensmaia
doi: https://doi.org/10.1101/667196
Aneesha K. Suresh
1Committee on Computational Neuroscience, University of Chicago
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James M. Goodman
1Committee on Computational Neuroscience, University of Chicago
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Elizaveta V. Okorokova
1Committee on Computational Neuroscience, University of Chicago
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Matthew T. Kaufman
1Committee on Computational Neuroscience, University of Chicago
2Department of Organismal Biology and Anatomy, University of Chicago
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Nicholas G. Hatsopoulos
1Committee on Computational Neuroscience, University of Chicago
2Department of Organismal Biology and Anatomy, University of Chicago
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Sliman J. Bensmaia
1Committee on Computational Neuroscience, University of Chicago
2Department of Organismal Biology and Anatomy, University of Chicago
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  • ORCID record for Sliman J. Bensmaia
  • For correspondence: sliman@uchicago.edu
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Abstract

Rotational dynamics are observed in neuronal population activity in primary motor cortex (M1) when monkeys make reaching movements. This population-level behavior is consistent with a role for M1 as an autonomous pattern generator that drives muscles to produce movement. Here, we show that M1 does not exhibit smooth dynamics during grasping movements, suggesting a more input-driven circuit.

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Posted June 19, 2019.
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NEURAL POPULATION DYNAMICS IN MOTOR CORTEX ARE DIFFERENT FOR REACH AND GRASP
Aneesha K. Suresh, James M. Goodman, Elizaveta V. Okorokova, Matthew T. Kaufman, Nicholas G. Hatsopoulos, Sliman J. Bensmaia
bioRxiv 667196; doi: https://doi.org/10.1101/667196
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NEURAL POPULATION DYNAMICS IN MOTOR CORTEX ARE DIFFERENT FOR REACH AND GRASP
Aneesha K. Suresh, James M. Goodman, Elizaveta V. Okorokova, Matthew T. Kaufman, Nicholas G. Hatsopoulos, Sliman J. Bensmaia
bioRxiv 667196; doi: https://doi.org/10.1101/667196

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