@misc{indiciaeeb84b19b2b91,
  title = {Spatial attention affects brain activity in human primary visual cortex.},
  author = {S P Gandhi and D J Heeger and G M Boynton},
  year = {1999},
  doi = {10.1073/pnas.96.6.3314},
  url = {https://pubmed.ncbi.nlm.nih.gov/10077681/},
  note = {Source identifier: 10077681}
}