The behavioural cue of ‘flexible self-protection’ is a way to establish whether an animal feels pain, scientists say

Crickets that received the hot probe “overwhelmingly” directed their attention to the affected antenna – they groomed it more frequently, and tended to it over a longer period of time, he says. “They weren’t just agitated and flustered. They were directing their attention to the actual antennae that was hit with this hot probe.”

Link to the paper

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[–] Lumidaub@feddit.org 2 points 2 months ago (1 children)

Doesn't anaesthesia mean that the pain signal that would be transmitted via nerves to the brain is suppressed? I don't see how that could be viewed as feeling pain.

[–] h_ramus@piefed.social 2 points 2 months ago* (last edited 2 months ago) (1 children)

Yes, exactly my point. How can an insect feel pain when they're devoid of the complex machinery that allows them to have pain emotion and connect the pain experience to a self.

I took more issue with the use of "feel" as that's normally associated with a human experience of feeling. An insect lacks "hardware" to approximate a human experience of feeling.

[–] Lumidaub@feddit.org 1 points 2 months ago

The paper in the OP does suggest though that they feel pain? Apparently there is a signal transmitted to the brain or they wouldn't react. What hardware is lacking?