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image: Sniff While You Sleep

Sniff While You Sleep

By Molly Sharlach | November 14, 2014

Smokers light up less after smelling cigarette smoke together with foul odors during sleep, a study shows.

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image: Rat Odors Teach Fear

Rat Odors Teach Fear

By Kerry Grens | July 30, 2014

Rodent pups can learn to fear a stimulus through the odor signals given by their mother.

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image: Learning Addiction

Learning Addiction

By Cristina Luiggi | July 13, 2011

Eleanor Simpson, a neuroscientist at Columbia University Medical Center, discusses a recent Nature paper that probes dopamine's role in helping animals make positive associations to stimuli that herald pleasurable outcomes (such as the handing out of food).

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image: For Whom the Bell Tolls

For Whom the Bell Tolls

By Cristina Luiggi | July 1, 2011

Eleanor Simpson on how dopamine helps rats learn and may lead humans to addiction.

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