Study using rats shows that activating part of the amygdala intensifies motivation to consume cocaine far beyond ordinary drug levels, similar to its ability to intensify motivation for sweet foods such as sugar. This would suggest that the amygdala plays a key role in drug addiction.

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Study using rats shows that activating part of the amygdala intensifies motivation to consume cocaine far beyond ordinary drug levels, similar to its ability to intensify motivation for sweet foods such as sugar. This would suggest that the amygdala plays a key role in drug addiction.