Sight. Science of the Senses

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Description

Seeing requires an immense amount of cerebral power - more than 65 percent of the brain's neural pathways. That massive machinery has been intensely studied, and yet scientists continue to be surprised by what we see with our eyes, what we actually perceive with our brains, and discrepancies between the two. This program takes viewers on a fascinating tour of the visual "assembly line," from the moment light enters our pupils to the way this information is transformed into electrical impulses and decoded by our brains. Viewers learn about discoveries involving patients suffering from a variety of visual disorders, including a case study of a late blind patient undergoing treatment with neuroscientist Alvaro Pascual-Leone and his research group at Harvard Medical School. Links between sight and hearing are illustrated.