Patterns of arm muscle activation involved in octopus reaching movements.

  title={Patterns of arm muscle activation involved in octopus reaching movements.},
  author={Yoram Gutfreund and Tamar Flash and Graziano Fiorito and Binyamin Hochner},
  journal={The Journal of neuroscience : the official journal of the Society for Neuroscience},
  volume={18 15},
The extreme flexibility of the octopus arm allows it to perform many different movements, yet octopuses reach toward a target in a stereotyped manner using a basic invariant motor structure: a bend traveling from the base of the arm toward the tip (Gutfreund et al., 1996a). To study the neuronal control of these movements, arm muscle activation [electromyogram (EMG)] was measured together with the kinematics of reaching movements. The traveling bend is associated with a propagating wave of… CONTINUE READING
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