A subcortical brain structure that is the primary input region of the basal ganglia, involved in reward processing, motivation, and movement.
From Latin 'striatum' meaning 'striped, grooved,' from 'stria' (furrow, groove). Named for its striped appearance.
The striatum is your brain's reward hub — it lights up when something good happens and drives you to seek out more of it. It's central to habits and motivation.
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