Tim Parks grabs a beer with philosopher Riccardo Manzotti, who believes that consciousness is a process:
His favorite example is the rainbow. For the rainbow experience to happen we need sunshine, raindrops, and a spectator. It is not that the sun and the raindrops cease to exist if there is no one there to see them. Manzotti is not a Bishop Berkeley. But unless someone is present at a particular point no colored arch can appear. The rainbow is hence a process requiring various elements, one of which happens to be an instrument of sense perception. It doesn’t exist whole and separate in the world nor does it exist as an acquired image in the head separated from what is perceived (the view held by the "internalists" who account for the majority of neuroscientists); rather, consciousness is spread between sunlight, raindrops, and visual cortex, creating a unique, transitory new whole, the rainbow experience. Or again: the viewer doesn’t see the world; he is part of a world process.