@misc{indiciaef53301ceb9eb,
  title = {Optical velocity patterns, velocity-sensitive neurons, and space perception: a hypothesis.},
  author = {K Nakayama and J M Loomis},
  year = {1974},
  doi = {10.1068/p030063},
  url = {https://pubmed.ncbi.nlm.nih.gov/4444922/},
  note = {Source identifier: 4444922}
}