On 11 December 2013 10:24, meekerdb <meeke...@verizon.net> wrote: > On 12/10/2013 11:54 AM, John Clark wrote: > > On Sun, Dec 8, 2013 at 7:33 PM, LizR <lizj...@gmail.com> wrote: > > > One needs a rigorous definition of what consciousness is, to start >> with, >> > > Examples are usually preferable to definitions. > > > and then a theory that explains all its observed features, and makes >> testable predictions. >> > > But that's the beauty of consciousness theories, we can detect > consciousness only in ourselves so there are no observed features that a > consciousness theory must explain, > > > Actually there are some observed features. A sharp blow to the head can > create a gap in ones consciousness. Imbibing various substances that can > cross the blood/brain barrier have somewhat predictable effects. Localized > electrical stimulation of the brain produces repeatable effects, both in > consciousness and somatic. > > If you're assuming there is more to consciousness than the sum of our thoughts, experiences, memories, etc - then this *may* be a description of features of the contents of consciousness, rather than of the thing itself.
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