Function of striatum beyond inhibition and execution of motor responses

Matthijs Vink, René S. Kahn, Mathijs Raemaekers, Martijn Van Den Heuvel, Maria Boersma, Nick F. Ramsey

Research output: Contribution to journalArticlepeer-review

171 Scopus citations


We used functional magnetic resonance imaging (fMRI) to study the role of the striatum in inhibitory motor control. Subjects had to refrain from responding to designated items (STOP trials) within a similar series of motor stimuli. Striatal activation was increased significantly compared to that when responding to all targets within a series of motor stimuli, indicating that the striatum is more active when inhibitory motor control over responses is required. The likelihood of a STOP trial was varied parametrically by varying the number of GO trials before a STOP trial. We could thus measure the effect of expecting a STOP trial on the fMRI response in the striatum. We show for the first time in humans that the striatum becomes more active when the likelihood of inhibiting a planned motor response increases. Our findings suggest that the striatum is critically involved in inhibitory motor control, most likely by controlling the execution of planned motor responses.

Original languageEnglish
Pages (from-to)336-344
Number of pages9
JournalHuman Brain Mapping
Issue number3
StatePublished - Jul 2005
Externally publishedYes


  • Basal ganglia
  • Functional magnetic resonance imaging
  • Inhibition
  • Motor behavior
  • Striatum
  • fMRI


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