In a study using genetically modified mice, researchers found that the nucleus accumbens recruited by cocaine use are largely distinct from nucleus accumbens recruited by sucrose, or table sugar.

Reward-seeking and threat avoidance are critical for survival. Pursuing enjoyable things triggers the release of dopamine in the brain, making people feel pleasure. On the contrary, people ...

Deep in your basal ganglia is a minute brain structure with a massive influence over your life. Known as the nucleus accumbens to neuroscientists, it measures in at a measly 1-2 cubic centimeters (for ...