Dog’s eyes are different than wolves

Dr Kaminski and co-author, evolutionary psychologist Professor Bridget Waller, also at the University of Portsmouth conducted an interesting research project which found that dogs have a small muscle above their eyes that allow them to noticeably raise their inner eyebrow. Wolves do not have this ability. The purpose of this muscle is to allow dogs to better communicate with people. The expression that results makes the dog’s eyes appear larger and resembles the movement that people produce when they are sad. It also makes the dog’s eyes appear more infant like. People seem to want to look after dogs more when they exhibit this expression.

The researchers found that dogs will raise their eyebrows more when people are looking at them indicating that dogs are trying to communicate with people. This study illustrates how important and powerful facial expressions are in social interaction.

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