Ravens at Play
نویسندگان
چکیده
منابع مشابه
Ravens Judge Competitors through Experience with Play Caching
Complex social behavior builds on the mutual judgment of individuals as cooperation partners and competitors [1]. Play can be used for assessing the others' dispositions in humans and nonhuman mammals [2], whereas little is known about birds. Recently, food-caching corvids have been found to rival primates in their ability to judge the behaviors and intentions of others in competition for hidde...
متن کاملSocial cognition in ravens.
Complex social life has been proposed as one of the main driving forces for the evolution of higher cognitive abilities in humans and non-human animals. Until recently, this theory has been tested mainly on mammals/primates, whereas little attention has been paid to birds. Indeed, birds provide a challenge to the theory, on one hand because they show high flexibility in group formation and comp...
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We use data from classic professional tennis matches to provide an empirical test of the theory of mixed strategy equilibrium. We Þnd that the serve-andreturn play of John McEnroe, Bjorn Borg, Boris Becker, Pete Sampras and others is consistent with equilibrium play. The same statistical tests soundly reject the assumption of equilibrium play in experimental data, including the data from Barry ...
متن کاملPsychologists at Play
Play has been an interesting but elusive topic in comparative psychology and related fields for more than a century. Gordon M. Burghardt has been grappling with its problems for nearly a quarter as long. In this volume, Burghardt explores the problems of defining and conceptualizing play along with the evolution and adaptive significance of behavioral patterns that might be labeled as play. The...
متن کاملThe Mystery of the Ravens
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ژورنال
عنوان ژورنال: Cultural Studies Review
سال: 1970
ISSN: 1837-8692,1446-8123
DOI: 10.5130/csr.v17i2.2224