John Drinkwater

To take an analogy: if we say that a democratic government is the best kind of government, we mean that it most completely fulfills the highest function of a government - the realisation of the will of the people.

Innate mechanisms endow the visual system with highly specific connections, but visual experience early in life is necessary for their maintenance and full development. Deprivation experiments demonstrate that neural connections can be modulated by environmental influences during a critical period of postnatal development.