
by
oblio
Thu Dec 7th, 2006 2:16am
(from #bor)
[score: 257 | approval: 83%]
n living rats, researchers found that animals dosed with other drugs that mimicked these neuroreceptor effects engaged in similar activities: intensive sniffing, biting and motion in their cages. In fact, when dosed with cocaine, the rats both traveled more broadly and more frenetically in cages that had been outfitted with a crisscrossing grid of lasers that enabled software to track the subjects' movements, according to Wang.
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Cocaine's boost derives from reward-prompting receptors actively blocking their signaling counterpart, according to new research.