Sensory modulation of juvenile play in rats.

  title={Sensory modulation of juvenile play in rats.},
  author={Stephen M Siviy and Jaak Panksepp},
  journal={Developmental psychobiology},
  volume={20 1},
A series of experiments was conducted to determine the extent to which somatosensory stimulation is necessary for the elaboration of juvenile play in rats. Anesthetization of the dorsal body surface of juvenile rats with xylocaine reduced the frequency of pinning, an indicator variable for play, by 35% to 70%, while motivation to play, as measured by dorsal contacts, an index of play solicitation, remained largely intact. These data suggest that dorsal body surface anesthetization impairs the… CONTINUE READING

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