Concept formation in American black bears, Ursus americanus
Publication/Journal: Animal Behaviour
Keywords: black bear, cognition, concept formation, level of abstraction, ursus americanus
2012
Stages of Category Learning in Monkeys (Macaca mulatta) and Humans (Homo sapiens)
Publication/Journal: Journal of Experimental Psychology: Animal Behavior Processes
Keywords: abstraction, category learning, primate cognition, prototypes, stages of learning
2010
Abstraction, cruelty and other aspects of animal play (exemplified by the playfulness of Muki and Maluca)
Publication/Journal: Sign Systems Studies
Keywords: cat play, cruelty play, human play, play behaviour, play-behavior, social morality, umwelt
2009
Size matters: Impact of item size and quantity on array choice by chimpanzees (Pan troglodytes)
Publication/Journal: Journal of Comparative Psychology
Keywords: *animal cognition, ability level, above chance, abstraction, acoustics, adaptation, adaptiveness, age, age differences, altruism, amnesia, analogy, animal behavior, animal breeding, animal captivity, animal communication, animal defence, animal developme
2001