Experiments in rats suggest that reduced dopamine receptor availability in the brain's ventral striatum may underlie links between impulsivity and addiction. The findings provide one of the first ...

The team used optogenetics to simultaneously observe dopamine and neural activity in the "ventral striatum" while controlling the activity of dopamine neurons. First, when dopamine was not ...

These include the orbitofrontal cortex and the ventral striatum. The sugar in chocolate ... happens in the brain’s reward center, where dopamine is released. Dopamine is often called the ...