Movie-watching mice pose a mystery for brain scientists: What are all those neurons doing?

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Movie-watching mice pose a mystery for brain scientists: What are all those neurons doing?For years, neuroscientists have been monitoring the brain activity of mice as they looked at a wide range of images — including the film-noir classic "Touch of Evil" — in hopes of discovering deep insights about the workings of the visual system. Now they've come upon a plot twist worthy of director Orson Welles himself. The latest results, reported today in the journal Nature Neuroscience by researchers at Seattle's Allen Institute for Brain Science and at the University of Washington, suggest that more than 90% of the neurons in the visual cortex don't work the way scientists thought. "We thought… Read More


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