@misc{indiciae4a8f7439ac8a,
  title = {Representing retinal image speed in visual cortex.},
  author = {E P Simoncelli and D J Heeger},
  year = {2001},
  doi = {10.1038/87408},
  url = {https://pubmed.ncbi.nlm.nih.gov/11319551/},
  note = {Source identifier: 11319551}
}