For reference, this testing process is similar to a standard one used with human infants. This paper isn't one cited by the crow paper, it's just one I'm famili

For reference, this testing process is similar to a standard one used with human infants. This paper isn't one cited by the crow paper, it's just one I'm familiar with that uses a similar process; it may be connected to the crow paper through a citation chain, as some of their cites also deal with human infants. https://science.sciencemag.org/content/274/5294/1926 https://science.sciencemag.org/content/274/5294/1926