4 ms·

The best test for consciousness is “can it be turned off” … ie sleep. Mammals, birds, fish sleep, ergo they are conscious.

• jychang 5mo ago
  As opposed to the PhD student, who does not sleep and is not conscious.
  • hnben 5mo ago
    for instance, see MMAcevedo aka Miguel https://qntm.org/mmacevedo https://qntm.org/mmacevedo