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shared by nataliegomes on 07 May 24 - No Cached

He adds that he doubts that the findings are applicable to other insect species, which still might act purely on instinct.
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Invertebrate nervous systems, physiology, and sensory experiences are dissimilar to ours, and designing experiments to measure their emotions has been challenging. 
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If the responses weren’t purely reflexive, it would open up the possibility that the animals could feel pain. 
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After placing acetic acid—a mild irritant—on the crabs’ antennae, they found that the crabs rubbed their antennae against the glass of their aquarium, seemingly in an attempt to take the acid off.
- nataliegomes on 07 May 24
  
  The use of an invisible irritant rather than a notable injury shows that they can feel the pain, instead of just noticing an injury to their body.
  
  <div class="cArrow"> </div><div class="cContentInner">The use of an invisible irritant rather than a notable injury shows that they can feel the pain, instead of just noticing an injury to their body.</div>
  
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