Science is like a love affair with nature; an elusive, tantalising mistress. It has all the turbulence, twists and turns of romantic love, but thats part of the game.

Remember that politics, colonialism, imperialism and war also originate in the human brain.

Lofty questions about the mind are fascinating to ask, philosophers have been asking them for three millennia both in India where I am from and here in the West - but it is only in the brain that we can eventually hope to find the answers.

There is no real independent self, aloof from other human beings, inspecting the world, inspecting other people. You are, in fact, connected not just via Facebook and Internet, you're actually quite literally connected by your neurons.

In fact, on one occasion, a rather pedantic experimental psychologist was telling him about a long, complicated experiment he had done, incorporating all the proper controls and using considerable technical virtuosity. When he saw Crick's exasperated expression he said, "but Dr. Crick, we have got it right - we know it's right," Crick's response was, "The point is not whether it's right. The point is: does it even matter whether its right or wrong?"

One of the first things we teach medical students is to listen to the patient by taking a careful medical history. Ninety percent of the time, you can arrive at an uncannily accurate diagnosis by paying close attention, using physical examination and sophisticated lab test to confirm your hunch (and to increase the bill to the insurance company).

What the neurology tells us is that the self consists of many components, and the notion of one unitary self may well be an illusion.