Excitation of visual cortex neurons by local intracortical microstimulation.

  title={Excitation of visual cortex neurons by local intracortical microstimulation.},
  author={Steven F. Ronner and Byeong Gi Lee},
  journal={Experimental neurology},
  volume={81 2},
The threshold current required for the excitation of visual cortex neurons in the vicinity (approximately 1 mm) of an intracortical stimulating electrode was measured as a function of the stimulus pulse duration in the anesthetized cat. For cortical neurons with latencies of activation from 0.4 to 3.4 ms and for stimulus pulse durations from 0.02 to 0.7 ms, the threshold current for all neurons tested decreased in an exponential fashion as the pulse width was increased. Rheobase current values… CONTINUE READING


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