He believes that rudimentary symbolic communication appeared early on and created a new selective pressure that favored development of linguistic ability and hence the brain .
Monod hypothesizes that language was not merely the product but one of the driving forces for the evolution of our central nervous system .
Monod believes that rudimentary symbolic communication appeared early on and created a new selective pressure that favored development of linguistic ability and hence the brain .
Monod hypothesizes that language was not merely the product but one of the driving forces for the evolution of our central nervous system .