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Discovery
Critical tool for brain research derived from "pond scum"

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A neuron activated by light

When light hits the light-sensitive proteins (shown in green) on a neuron, the neuron is activated.

Credit: Ed Boyden and MIT McGovern Institute


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An activated neuron in a tangle of neurons.

An activated neuron in a tangle of neurons.

Credit: Ed Boyden and MIT McGovern Institute


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Light is beamed to the target neurons of a laboratory mouse via a fiber cable implanted in its brain

Light is beamed to the target neurons of a laboratory mouse via a fiber cable implanted in its brain.

Credit: Inbal Goshen and Karl Deisseroth


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Watch light-sensitive algae and light-sensitive neurons get turned on by light.

Credit: Ed Boyden and MIT McGovern Institute


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