What do dolphins (Tursiops truncatus) understand about hidden objects?

@article{Jaakkola2009WhatDD,
  title={What do dolphins (Tursiops truncatus) understand about hidden objects?},
  author={Kelly Jaakkola and Emily Guarino and Mandy Rodriguez and Linda Erb and Marie Trone},
  journal={Animal Cognition},
  year={2009},
  volume={13},
  pages={103-120}
}
Object permanence, the ability to mentally represent and reason about objects that have disappeared from view, is a fundamental cognitive skill that has been extensively studied in human infants and terrestrial animals, but not in marine animals. A series of four experiments examined this ability in bottlenose dolphins (Tursiops truncatus). After being trained on a “find the object” game, dolphins were tested on visible and invisible displacement tasks, and transpositions. In Experiments 1 and… CONTINUE READING

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