A Bridge that Divides

So natural selection led to the physical and functional separation of hemispheres becoming more and more complete, and to their interconnections becoming more and more subtle — a ‘bridge that divides’.

• Thus our comprehension of the world begins in right hemisphere with our apprehension of sensory input then,
• passed to left hemisphere for technical things like analysis, measurement and language.
• But in end, buck passes back to right hemisphere for synthesis on which we base our ideas and our actions.

The point is that both sides are involved in everything, and the health of the system is dependent on the balance.