Thats not something I really know about, although we can tell a lot about how a dog is feeling from their behaviour – thats a really interesting thing to learn about.
Firstly, you can study the dog’s behavioural signs. A dog that appears nervous when people walk close by might be sign that it has been kicked / abused in the past and is suffering from anxiety (excessive fear).
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Nathan commented on :
Yes.
Firstly, you can study the dog’s behavioural signs. A dog that appears nervous when people walk close by might be sign that it has been kicked / abused in the past and is suffering from anxiety (excessive fear).
Secondly it’s possible to put dogs in machines such as an MRI and see how their brains respond directly:
https://www.bps.org.uk/news-and-policy/dogs-attend-meaning-words