Animal Cognition · 2010 · 22 citations · 28 references
PrimatologyModified Mark TestEngineeringBehavioral NeuroscienceMammalogyBiometricsOwn-body RecognitionBiostatisticsPig-tailed MacaquesNeurosciencePrimate BehaviorPrimate SystematicsAnimal MindAnimal BehaviorSocial Sciences
28
Gordon G. Gallup · Science · 1970 · 1.7K citations
Mirror self‐image reactions before age two
Beulah Amsterdam · Developmental Psychobiology · 1972 · 807 citations