Re: labor pains

On 28 Jun 2006 06:42:42 -0700, "UC" <uraniumcommittee@xxxxxxxxx>
wrote:


Mark-T wrote:
What purpose is served by putting a woman through great
pain in the birth process? Why would that be selected?

We know that the pain signal is useful, generally speaking,
but why in labor? If it's natural and desirable, shouldn't it
feel good... like that other birth activity...

Mark

There is enormous selection pressure against brains that are too big.
This encourages early delivery. Humans are ehlpless at birth.

The technical term for that is "altricious", as opposed to
"precocious". We share that condition with parrots and songbirds, as
well as mice.


.

Relevant Pages

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