abductor
12-02-2003, 11:47 AM
JVK,
Teacher
Plaese
one or two words about this diagram! /ubbthreads/images/graemlins/grin.gif
Diagram
HERE (\"http://evolution.anthro.univie.ac.at/ishe/electronic/kohl.jpg\")
jvkohl
12-02-2003, 07:48 PM
Thanks for your
interest; succinct details are at the bottom of the diagram--though, of course, it is difficult to explain in a
single paragraph. Even in the detailed explanations I have given when presenting the diagram at various conferences,
people seem to get lost in the details (mostly Ph.D.\'s and M.D.\'s).
It represents all of what is known
about sexual differentiation: that which is prenatally predisposed by genetics, and that which is therefore
influenced by sex differences in the response to pheromones. Pheromones are the only sensory input from the social
environment that can directly influence the GnRH neuronal system, which controls all of reproductive maturation via
the hypothalamic pituitary gonadal (HPG) and hypothalamic pituitary adrenal (HPA) axes. Accordingly, only pheromones
can directly influence the hormones that influence behavior. Links from my website (Scientific information page) may
help others to understand more of the biological facts that the diagram represents. I will continue to try to
clarify the processes involved, but am convinced it will take more than a cursory explanation for most people to
grasp.
I hope that someday someone may interpret it for me so that others can understand it, without my use of
jargon.
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