Posted by glenn on October 27, 2002, at 12:47:14
In olden days it paid to have some members of the community as hypervigilant anxious individuals. They would warn the community of dangers (such as raging sabre tooth tigers nearby) well before the "norms" would realise any danger and act as a counterbalance to those with less inhibitions.
The theory is I beleive well explained in the book- living with your genes-
The high cortisol,reactive sympathetic nervous system and possibly low gaba levels may have had an evolutionary advantage then, but now they are just a pain.Glenn
poster:glenn
thread:125435
URL: http://www.dr-bob.org/babble/20021025/msgs/125435.html