Physiological demonstration of multiple representation in the forelimb region of the cat motor cortex

This study demonstrates that multiple representation of the distal forelimb in area 4 is not an isolated species‐specific phenomenon, but is likely to be a generalized pattern of motor cortex organization

C. L. Pappas

2005

Scholarcy highlights

  • Earlier studies in primates have demonstrated a double representation of the distal forelimb in area 4
  • The absolute location of the two digit zones varied among animals, the zones were always separated by a field in which more proximal musculature was represented
  • Activity of the same digit muscle could be evoked by stimulation in each digit zone
  • This analysis demonstrated that some digit muscles were represented in both the digit zones
  • This study demonstrates that multiple representation of the distal forelimb in area 4 is not an isolated species‐specific phenomenon, but is likely to be a generalized pattern of motor cortex organization
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