{
  "title": "Four accounts of lightness and brightness illusions, compared",
  "description": "Four accounts of lightness and brightness illusions: one row per paper, with the account, authors, year, publication, DOI, the variable it names, its abstract summarized in this site's words, whether the abstract mentions the checker-shadow figure, and how much of the paper was read.",
  "license": "CC BY 4.0",
  "license_url": "https://creativecommons.org/licenses/by/4.0/",
  "creator": "Tricks of Ear and Eye",
  "page": "https://tricksofearandeye.com/illusions/checker-shadow-illusion/",
  "derived_from": [],
  "method": "",
  "data_credit": [
    "Abstracts of Adelson 1993, Gilchrist et al. 1999, Blakeslee & McCourt 1999, Williams, McCoy & Purves 1998 and Purves et al. 2004, summarized in this site's words; DOIs as listed in each row"
  ]
}