Cognitive development in kittens (Felis catus): An observational study of object permanence and sensorimotor intelligence.

1 January 1991

journal article
Published by American Psychological Association (APA) in Journal of Comparative Psychology

Vol. 105 (4) , 357-365
https://doi.org/10.1037/0735-7036.105.4.357

Abstract

Spontaneous behavior of kittens (Felis catus) was filmed from birth until the end of Month 5 and coded according to Piagetian criteria of sensorimotor intelligence (SI) and object permanence (OP). Data revealed that Stages 2, 3, and 4 of SI were reached at Days 10, 26, and 45, respectively, whereas Stages 2, 3, and 4 of OP were reached at Days 31, 37, and 41, respectively. Spontaneous search behavior was exhibited both in searching for an object that disappeared and in hiding while moving toward a target object. From Day 45 on, search behavior was integrated into a playful social interaction in the form of hide-and-seek. Hence, kittens' spontaneous activity provided them with contexts in which OP was necessary for activity. Lastly, it is proposed that the mobility of both social and physical objects triggered circular activity in this species.

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