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Author

B. Ballanger

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Open access Jul 2026

Reduced dorsal visual stream α2-adrenergic receptor availability is not associated with visuospatial impairment in Parkinson's disease.

BACKGROUND Visuospatial deficits are a common and disabling feature of Parkinson's disease (PD) that are linked to dysfunctions of the dorsal visual stream (DVS) and the cholinergic system. However, a body of evidence also points to the possible role of noradrenergic dysfunction, but direct in vivo evidence has remaine...

Maeliss Legrand, Alice Gaillard, C. Laurencin et al. · 0 citations
Open access Aug 2026

Hyperdirect projections from the supplementary motor area mediate subthalamic stimulation effects on movement initiation and inhibition in Parkinson’s disease

Improved movement initiation and increased impulsivity under stimulation of the subthalamic nucleus are linked to a shared anatomical and functional substrate, namely the subthalamic nucleus-supplementary motor cortex loop supporting automatic response inhibition.

Garance M. Meyer, Marion Albares, Guillaume Lio et al. · 0 citations

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