We have long seen insects as instinctive, mindless creatures with robotic-like reactions to the world and all its impulses.
In mammals, the nociceptors send an alarm for bad stimuli to our brains, where neurons generate the negative and subjective, physical, and emotional feeling of pain.
Gibbons and colleagues reviewed the scientific literature and found several lines of evidence to suggest that this mechanism is present in insects., they produce other proteins during traumatic events that could serve the same purpose.Behavioral evidence also suggests insects do have molecular pathways that suppress responses to damaging contact, both for their peripheral and central nervous system.
"We argue that insects most likely have central nervous control over nociception, based on behavioral, molecular, and anatomical neuroscience evidence," the team concludes inAs insects are a large and varied group, however, it is quite possible that the complexity of their nociception regulation and potential feelings of pain also vary widely between them.
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