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  • Brain activity as a zebrafish stalks its prey
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    11 1
    Envoyée le vendredi 14 juillet 2017 11:11:25
    par UC Berkeley
    Vue 1783 fois

    Brain-wide activity in a zebrafish when it sees and tries to pursue prey. The fish's head is immobilized but its eyes (lower right) and tail are free; as its eyes lock onto a paramecium and it tries to swim toward it, neurons in the visual motor and forebrain decision regions of the brain fire (green), out of a total of about 10,000 neurons visible through the fish's transparent skin (left).

    The new DARPA grant will help UC Berkeley researchers build a device that will track the activity in each of these brain cells and impose natural and synthetic patterns of activity on the neurons to alter the pursuit or to entirely replace the sight of prey with a synthetic brain pattern - a synthetic percept - in the visual areas.

    Credit: Ehud Isacoff lab, UC Berkeley.

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