On 09 Apr 2014, at 18:47, Telmo Menezes wrote:
On Wed, Apr 9, 2014 at 6:09 PM, Craig Weinberg
<whatsons...@gmail.com> wrote:
On Tuesday, April 8, 2014 6:51:13 PM UTC-4, Liz R wrote:
On 9 April 2014 04:58, Craig Weinberg <whats...@gmail.com> wrote:
On Monday, April 7, 2014 11:03:35 PM UTC-4, Liz R wrote:
There is an element of this in all evolutionary explanations, but
only until we are in a position to gather enough evidence to make a
call for or against some idea. Evolution has been observed in
action, to a limited extent, and the links between genes and various
behaviours, structures etc is becoming clearer, so we have a better
idea as time goes on what mechanisms have evolved and why.
For example I recently read something about zebra's stripes being
"for" protecting them from insects (I think it was) rather than
making them harder for carnivores to spot. This was because someone
had done some experiments to distinguish between several theories of
what advantage the stripes gave.
Sure, but mechanisms which have an effect on the world of the body
need not have an impact on something that doesn't (like dreams).
???? Sorry old chap could you clarify ????
Dreams need not have any possible evolutionary justification, since
their presence or absence is irrelevant to behavior.
How do you know that? It's plausible that they play a role in
training for future scenarios, for example.
I'm not discounting that there might be more to it than that -- I am
fascinated by dreams too -- but to claim that they are irrelevant to
behavior seems quite a stretch.
Yes, that is a big stretch with some amount of positivism which
contradicts Craig's own philosophy.
Obviously, also, dreams cannot influence the behavior *during* the
dream, because we are paralyzed at that time, but it is clear that it
might very well influence the behavior in the waking life which
follows, even in case we don't remember the dream, and a fortiori when
we do.
Bruno
Cheers,
Telmo.
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