Prior research suggested that the caudate nucleus may be especially vulnerable to early environment and that its size relates to IQ. To test the hypothesis that the caudate nucleus could be a ...

Two key brain regions lit up: the caudate nucleus and the ventral tegmental area (VTA). The caudate nucleus processes rewards and helps form associations between actions and their outcomes, ...

"Paradoxically, we discovered that patients who exhibit tremor have more dopamine preserved in the caudate nucleus, a part of the brain important for movement planning and cognition," explains ...