See also: The Lacan Mirror Stage, a 20th-century area of post-Freudian philosophical discussion that tangentially led to behavioral studies of humans and animal

See also: The Lacan Mirror Stage, a 20th-century area of post-Freudian philosophical discussion that tangentially led to behavioral studies of humans and animals and their sense of "self", including the kids of studies mentioned in the OP. https://en.wikipedia.org/wiki/Mirror_stage https://en.wikipedia.org/wiki/Mirror_stage