ben.smith comments on Only mammals and birds are sentient, according to neuroscientist Nick Humphrey’s theory of consciousness, recently explained in “Sentience: The invention of consciousness”

[ben.smith]

Thanks Michael. For readers who are confused by my post but still want to know more, consider just reading (2), which is a very good précis by Nick Humphrey of his book which I tried to summarize. It might be better for readers, rather than reading my essay, to just read that.