Lorenz 1935 critical-period learning: greylag goslings follow first moving object after hatching; foundational ethology Nobel 1973 (Lorenz / Tinbergen / von Frisch); imprinting irreversible.
Lorenz 1935 critical-period learning: greylag goslings follow first moving object after hatching; foundational ethology Nobel 1973 (Lorenz / Tinbergen / von Frisch); imprinting irreversible.