Consolidation of a Learned Skill Correlates with Dopamine SPECT Uptake in Early Parkinson's Disease.

Another study involving 18 F-fluoropropyl-beta-CIT PET showed a correlation between sequence learning and caudate nucleus binding in PD, with a nonsignificant trend toward the right side. 42 In addition to the presupplementary motor area, the right caudate nucleus has been described as the region mainly activated in an fMRI task involving spatial attention and motor preparation. 43 Moreover, reactive inhibition—a mechanism that might be crucial in a reversed r

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