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The brain’s data compression mechanisms

The brain’s data compression mechanisms | Science, Technology, and Current Futurism | Scoop.it

Researchers have hitherto assumed that information supplied by the sense of sight was transmitted almost in its entirety from its entry point to higher brain areas, across which visual sensation is generated. “It was therefore a surprise to discover that the data volumes are considerably reduced as early as in the primary visual cortex, the bottleneck leading to the cerebrum,” says PD Dr Dirk Jancke from the Institute for Neural Computation at the Ruhr-Universität. “We intuitively assume that our visual system generates a continuous stream of images, just like a video camera. However, we have now demonstrated that the visual cortex suppresses redundant information and saves energy by frequently forwarding image differences.”

 
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This Is How Cats See the World - Wired

This Is How Cats See the World - Wired | Science, Technology, and Current Futurism | Scoop.it
This Is How Cats See the World
Wired
Scientists used to think cats were dichromats — able to only see two colors — but they're not, exactly.
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