Final answer:
Gambling disorder was reclassified in the DSM-5 to be with Substance-Related and Addictive Disorders due to parallels in brain mechanisms with addictive drugs, expanding the addiction definition, and the relocation of impulse control disorders.
Explanation:
Gambling Disorder was moved to be classified with Substance-Related and Addictive Disorders in the DSM-5 because:
- It seemed appropriate to broaden the definition of addiction to include behavioral addictions like gambling.
- Behavioral addictions like gambling involve similar brain reward mechanisms as addictive drugs, activating the same areas associated with addiction.
- All of the impulse control disorders were moved along with gambling disorder, indicating a shift in how these disorders are conceptualized.
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