The Enhanced Brain: Ally or Enemy of the Human Species?

For the neuroscientist Jean-Pierre Changeux, the brain is a perfect mirror of the evolutionary history of the human species. It is the body’s most complex organ and it functions by means of highly delicate trial-and-error mechanisms, which have enabled us to keep adapting to our surroundings. What, then, can we make of psychopharmacology and the new biotechnologies which seek to expand or heighten brain activity? Would the “enhanced” brain be an ally of humankind or might it become a problem?