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NIDA Notes Articles: Brain

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Deep Brain Stimulation Attenuates Rats’ Responses to Heroin

October 2017
High-frequency electrical stimulation of neurons deep in the brain can reduce rats’ relapse-like behavior and motivation to take heroin. The finding strengthens hope that deep brain stimulation might offer a new treatment alternative for opioid addiction, particularly for patients who have not benefited from other treatments.

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A Family-Oriented Intervention May Reduce the Effects of Poverty on Brain Development

January 2018
The parenting-focused Strong African American Families program can ameliorate poverty’s negative effects on limbic brain development.  

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Adolescent Marijuana Use Is Linked to Altered Neural Circuitry and Mood Symptoms

August 2018
Some teens' marijuana use has been linked to disrupted communication between two key regions in the brain’s reward circuitry at age 20. Disrupted communication between the regions was associated with poorer psychosocial functioning at age 22.

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A New Tool for Investigating HIV in the Brain

August 2018
Researchers developed a tool that enables them to closely monitor HIV activity in key brain cells. The tool may accelerate the development of treatments for HIV in the brain.

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How Cocaine Cues Get Planted in the Brain

September 2018
An epigenetic mechanism underlies the powerful cocaine–environment associations that promote relapse.

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