@misc{indiciaebd7571905d87,
  title = {EEG alpha activity influenced by visual input and not by eye position.},
  author = {R M Chapman and S A Shelburne and H R Bragdon},
  year = {1970},
  doi = {10.1016/0013-4694(70)90186-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4189529/},
  note = {Source identifier: 4189529}
}