National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 

Cognition test for testing object permanence in birds and primates
Marhounová, Lucie ; Landová, Eva (advisor) ; Veselý, Petr (referee)
Object permanence is a cognitive ability to mentally represent the existence and the movement of hidden objects. This phenomenon is being developed since birth in six different stages following the development of the sensorimotor intelligence. Not only the humans but also the other animals possess a certain notion of hidden objects and acquire various degrees of this ability depending on their life strategies. This thesis summarizes the research conducted up to the present in the field of the object permanence within the infant developmental psychology, but particularly in the animal world with the emphasis on the taxa where this ability has been most researched, that is in primates and birds. This thesis also recapitulates the types of the cognitive tasks used in the object permanence research and compares the methods of experiments applied to the humans, the primates and the birds. Part of this thesis also involves a phylogenetic reconstruction estimate of the ancestral character status in terms of the object permanence and testing the progress dependance of such character in relation to the selected ecological factors in primates.

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