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Re:Fish Feel Pain by uoaei on Wednesday January 10, 2018 @01:40PM (#16117607)
You have rediscovered the "philosophical zombie" problem.[0]

Dr. Giulio Tononi[1] has developed an apparatus for calculating what he calls "integrated information"[2] which seems so far from limited experiments to be a good corrolary to the presence of consciousness in biological systems.

It's currently computationally intractable for the human brain at full resolution but heuristics are being developed to minimize that problem.

[0] https://en.wikipedia.org/wiki/Philosophical_zombie

[1] http://centerforsleepandconsciousness.med.wisc.edu/people/to...

[2] http://integratedinformationtheory.org/

Re:Fish Feel Pain by pillowkusis on Wednesday January 10, 2018 @04:10PM (#16119095)
I was sure that I had come across something but didn't know what to google! Thanks for the links.