Velocity selectivity in the cat visual system. I. Responses of LGN cells to moving bar stimuli: a comparison with cortical areas 17 and 18.

@article{Orban1985VelocitySI,
  title={Velocity selectivity in the cat visual system. I. Responses of LGN cells to moving bar stimuli: a comparison with cortical areas 17 and 18.},
  author={Guy A. Orban and Klaus – Peter Hoffmann and Jacques Duysens},
  journal={Journal of neurophysiology},
  year={1985},
  volume={54 4},
  pages={1026-49}
}
Velocity selectivity of 92 LGN cells was measured quantitatively using long, narrow light or dark bars of high contrast in N2O-anesthetized and paralyzed cats. The optimal velocities of the main responses to a moving light bar, representing center responses (i.e., due to entering the ON center or leaving the OFF center) were significantly lower for X-cells than for Y-cells. The velocity upper cutoffs were significantly higher for Y-cells than for X-cells, whereas responses to slow movement were… CONTINUE READING

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