@misc{indiciae109966271264,
  title = {Motion detection and directional tuning.},
  author = {W A Simpson and A Newman},
  year = {1998},
  doi = {10.1016/s0042-6989(97)00294-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/9747496/},
  note = {Source identifier: 9747496}
}