Neurophysiology of prehension. II. Response diversity in primary somatosensory (S-I) and motor (M-I) cortices.

@article{Gardner2007NeurophysiologyOP,
  title={Neurophysiology of prehension. II. Response diversity in primary somatosensory (S-I) and motor (M-I) cortices.},
  author={Esther P. Gardner and Jin Young Ro and Krothapalli Srinivasa Babu and Soumya Kanti Ghosh},
  journal={Journal of neurophysiology},
  year={2007},
  volume={97 2},
  pages={1656-70}
}
Prehension responses of 76 neurons in primary somatosensory (S-I) and motor (M-I) cortices were analyzed in three macaques during performance of a grasp and lift task. Digital video recordings of hand kinematics synchronized to neuronal spike trains were compared with responses in posterior parietal areas 5 and AIP/7b (PPC) of the same monkeys during seven task stages: 1) approach, 2) contact, 3) grasp, 4) lift, 5) hold, 6) lower, and 7) relax. S-I and M-I firing patterns signaled particular… CONTINUE READING

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