Tectal neurons signal impending collision of looming objects in the pigeon.

  title={Tectal neurons signal impending collision of looming objects in the pigeon.},
  author={Le-Qing Wu and Yu-Qiong Niu and Jin Yang and Shu-Rong Wang},
  journal={The European journal of neuroscience},
  volume={22 9},
Although the optic tectum in non-mammals and its mammalian homolog, the superior colliculus, are involved in avoidance behaviors, whether and how tectal neurons respond to an object approaching on a collision course towards the animal remain unclear. Here we show by single unit recording that there exist three classes of looming-sensitive neurons in the pigeon tectal layer 13, which sends looming information to the nucleus rotundus or to the tectopontine system. The response onset time of tau… CONTINUE READING

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