Two areas of the brain that have been critically linked to the development of addiction include:

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The dopamine system has been strongly linked to addiction as it is responsible for the reward and pleasure pathways in the brain. The insula, located in the cerebral cortex, has been implicated in processing of emotional information, decision-making and visceral sensations, and thus plays a critical role in the development and maintenance of addiction.

Two Areas of the Brain That Have Been Critically Linked