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MEMORY

Memories light the corners of my mind

Using light-activated ion channels to stimulate sensory and motivational pathways, Vetere and colleagues constructed fully artificial memories in mice. Mice preferred or avoided an odor they had never smelled before, depending on the pattern of stimulation.

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Competing interests

The authors declare no competing interests.

Correspondence to Mark G. Baxter.

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Fig. 1: Circuit model for artificially conditioned odor memory.