What is it about?

Humans can recognize objects from different orientations using vision. For example, you can identify a picture of a bird whether it is upright or upside down. We have shown dolphins can also recognize objects visually despite changes in orientation.

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Why is it important?

Although dolphins have remarkable acoustic abilities and are capable of recognizing objects using echolocation, they are also capable of visual object identification. Their performance is similar to some mammals and birds that do not echolocate.

Perspectives

This article is the result of many years of work by my colleagues and myself. Dolphin research is time-intensive and requires a great team to train the animals, design and implement the procedure, analyze the data, and write up the results.

Caroline DeLong
Rochester Institute of Technology

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This page is a summary of: Visual perception in a bottlenose dolphin (Tursiops truncatus): Successful recognition of 2-D objects rotated in the picture and depth planes., Journal of Comparative Psychology, December 2019, American Psychological Association (APA), DOI: 10.1037/com0000207.
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