Visual discrimination at varying distances in spanish goats

Chance Orders of Alternating Stimuli in Visual Discrimination Experiments

Louis W. Gellermann · The Pedagogical Seminary and Journal of Genetic Psychology · 1933 · 1.2K citations

Social Sciences, Behavioral Sciences, Psychology +11

The “Visual Cliff”

Eleanor J. Gibson, Richard D. Walk · Scientific American · 1960 · 590 citations

The "visual cliff".

Eleanor J. Gibson, Richard D. Walk · PubMed · 1960 · 494 citations

Comparative Anatomy of the Eye.

Archives of Ophthalmology · 1957 · 133 citations

Medicine, Ophthalmology, Otolaryngology +5

Shape discrimination in sheep and calves

B.A. Baldwin · Animal Behaviour · 1981 · 58 citations

Life Sciences, Animal Sciences, Zoology +6