Expansion of receptive fields in motor cortex by local blockade of GABAA receptors

@article{Capaday2003ExpansionOR,
  title={Expansion of receptive fields in motor cortex by local blockade of GABAA receptors},
  author={Charles Capaday and Douglas Rasmusson},
  journal={Experimental Brain Research},
  year={2003},
  volume={153},
  pages={118-122}
}
Experiments were done in α-choralose anesthetized cats to determine whether local disinhibition would expand the sensory receptive field (RF) of motor cortical neurons. Most of the neurons (n = 17) responded only to a rapid high velocity "tap" of the paw or forearm, often requiring movement of a joint, while four cells responded to light touch of the skin. The receptive field of single neurons was re-examined after microiontophoretic ejection of bicuculline (BIC). In all 21 neurons examined… CONTINUE READING

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