IUBio

Hormones & Sexual Behaviour - What relationship?

George Tirebiter Tirebiter7 at netscape.net
Tue Mar 27 13:03:14 EST 2001


In article <3abacb40_1 at news.intensive.net>, Shamim Khaliq
<private at shamimkhaliq.co.uk> wrote:

> ah, and to answer your question rather than just provide references, sexual
> behaviour is entirely under hormonal control. the genetic influence is that
> a gene on the y chromosome switches on briefly, i can't remember when but in
> the first few weeks, causing the testes to develop, and that's it. thereon
> restructuring of parts of the brain relating to activational effect of
> hormones, hormonal responses and patterns, sexual behaviour, maternal
> behaviour, sexual preferences.. are under hormonal control.

That isn't really true in humansSexual behavior, desire, etc. are much
less under hormonal control than in rodents. Men and women who have
been gonadectomized post-pubertally still have sexual desire and
capability.

> where genes can
> come into play is the quantity, proportions, sensitivity to.. foetal
> hormones (ah, but we don't do genetics in psychology, so there might be more
> to the story). by manipulating when a foetus comes into contact with
> androgens (and there is also newer evidence for later critical periods for
> organisational effects of oestrogens) you can independently sex their
> genitalia, sexual preference, sexual behaviour (mounting/lordosis), adult
> hormone patterns.. i worry about enquiries about homosexuality, in case
> people should attempt to reduce the incidence (i like diversity).
> 
> --
> Shamim Khaliq  info at shamimkhaliq.co.uk <http://shamimkhaliq.co.uk/>
> Serial # 19781010 <cristiaano at terra.es> wrote in message
> news:iathbtg48884de8naduil3gntmih63lrba at 4ax.com...
> > Hi,
> > As a medicine student i have to present a work about this subject.
> > I searched for Physiological points of view, but i'm not satisfied.
> > Can you help me? How does truly sex - or not -  hormones influence
> > sexual behaviour? And what about homosexuality? Is it related?
> > Thanks in advance.
> >
> > Cristiano Alves
> > "trying to be an M.D."




More information about the Neur-sci mailing list

Send comments to us at biosci-help [At] net.bio.net