Signals in tactile afferents from the fingers eliciting adaptive motor responses during precision grip

@article{Johansson1987SignalsIT,
  title={Signals in tactile afferents from the fingers eliciting adaptive motor responses during precision grip},
  author={Roland S. Johansson and G{\"o}ran Westling},
  journal={Experimental Brain Research},
  year={1987},
  volume={66},
  pages={141-154}
}
While human subjects lift small objects using the precision grip between the tips of the fingers and thumb the ratio between the grip force and the load force (i.e. the vertical lifting force) is adapted to the friction between the object and the skin. The present report provides direct evidence that signals in tactile afferent units are utilized in this adaptation. Tactile afferent units were readily excited by small but distinct slips between the object and the skin revealed as vibrations in… CONTINUE READING
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