TED-ED: How do animals experience pain? - Robyn J. Crook

The video explores how different species experience pain, emphasizing the importance of understanding animal pain to avoid unnecessary suffering. It explains the two processes of pain in vertebrates: nociception and conscious recognition. While vertebrates' pain is well-studied, invertebrates' pain perception remains less understood, raising ethical concerns. Scientific research provides insights into animal behavior and pain, highlighting the need for ethical treatment of all animals.

What challenges do researchers face when trying to understand pain in animals that are very different from humans?

How does nociception differ from the conscious recognition of pain?

What evidence suggests that some invertebrates may have a form of pain awareness?