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We know it when we see it : what the neurobiology of vision tells us about how we think / Richard Masland.

by Masland, Richard H., author.

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New York : Basic Books, 2020.

Visual pathways.

9781541618503 (hardcover) :

1541618505 (hardcover) :

vi, 262 pages : illustrations ; 22 cm

The first steps toward vision. The wonder of perception ; Neurons that sing to the brain ; A microprocessor in the eye ; Ghost neurons ; What the eye tells the brain -- Into the wild. Sensory messages enter the brain ; What happens next: not one cortex but many ; The malleable senses ; Inventing the nerve net: neurons that fire together wire together ; Machine learning, brains, and seeing computers ; A vision of vision -- To the horizon. Why evolution loved nerve nets ; Some mysteries, some progress ; In the distance.

"Spotting a face in a crowd is easy. We can do it from almost any angle, up close or far away, in person or in a picture. We do it so often that we take it for granted. But object recognition, the neural process that enables us to find that face, is hard. Your brain is small and slow. It has neither the time nor the capacity to store and recall whole images of everything you see from every possible angle. Rather, brains work by figuring out what is important to see and what isn't. And they must be able to figure this out on their own, without guidance from anything else. So in order to understand how you recognize your friend at a party, your suitcase on a luggage carousel, or person waiting in the shadows, you first must understand how your brain teaches itself to see. The answer to that question can explain how the brain learns nearly anything. It will revolutionize our understanding of both human and artificial intelligence. In We Know It When We See It, pioneering neuroscientist Richard Masland unravels these mysteries by exploring the strange and mind-bending processes of human vision. The key insight is that learning is shaped by need. Our brains have evolved basic ways of processing information regulated by evolution. By applying these genetically determined rules to the basic mechanism of brain cells-a long-ignored but visionary concept known as the Hebb synapse-our brains have enough innate guidance to begin making sense of the world around them without any help, and to learn new things. Covering everything from what happens when photons hit your retina, to the neuroplasticity of real nerve nets, to what a computer algorithm must be able to do before it can be called truly "intelligent," to why some people have neurons that only fire in response to Jennifer Aniston's face, We Know It When We See It is a deep and thoughtful examination of how our brains make sense of the world." --

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