Visual perception in a snapshot

Excerpt

Impossible! It was impossible to comprehend the world around us up to our satisfaction, until Mother Nature had her clever ways to equip us with our well-developed visual systems. And then the world was given to us in our perceptions. But a man is never satisfied. He urges to know not only what is out there, in the landscapes and faces and sounds, but also what is in here, in our brains and minds that make it possible to enjoy these riches. Moreover, it is doubtful that we could understand deeply enough the outer world when we would not understand how the visual system is functioning when solving the wider than wide variety of different information processing tasks humans encounter... …