Image: NIH visual cliff experiment (cropped)
Description: Original caption: "A mother urging her child from across the deep side of the visual cliff. Despite a transparent surface covering the cliff, the child hesitates to move forward."
Title: NIH visual cliff experiment (cropped)
Credit: Image taken from the US National Institute of Health website at https://openi.nlm.nih.gov/detailedresult.php?img=PMC4569749_fpsyg-06-01381-g009&req=4. Per license and attribution information in original, image is published under CC-BY-SA 4.0. See also https://www.nature.com/ncomms/about/open-access for additional information regarding the Nature Publishing Group and the release of current and historical copyrighted works under Creative Commons.
Author: From Gibson and Walk (1960). Copyright 1960 Nature Publishing Group.
Usage Terms: Creative Commons Attribution 4.0
License: CC BY 4.0
License Link: https://creativecommons.org/licenses/by/4.0
Attribution Required?: Yes
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