Object Permanence - Object Permanence in Animals

Object Permanence in Animals

Experiments in non-human primates suggest that monkeys can track the displacement of invisible targets, that invisible displacement is represented in the prefrontal cortex, and that development of the frontal cortex is linked to the acquisition of object permanence. Various evidence from human infants is consistent with this. For example, formation of synapses in the frontal cortex peaks during human infancy, and recent experiments using near infrared spectroscopy to gather neuroimaging data from infants suggests that activity in the frontal cortex is associated with successful completion of object permanence tasks.

However, many other types of animals have been shown to have the ability for object permanence. These include dogs, cats, and a few species of birds such as the carrion crow and food-storing magpies. Dogs are able to reach a level of object permanence that allows them to find food after it has been hidden beneath one of two cups and rotated 90°. Similarly, cats are able to understand object permanence but not to the same extent that dogs can. Cats fail to understand that if they see something go into an apparatus in one direction that it will still be there if the cat tries to enter from another direction. A longitudinal study found that carrion crows were able to reach the same level of object permanence as humans. There was only one task, task 15, that the crows were not able to master. Another study tested the comparison of how long it took food-storing magpies to develop the object permanence necessary for them to be able to live independently. The research suggests that these magpies followed the a very similar pattern as human infants while they were developing.

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