Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain
the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in
Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles
and JavaScript.
Relation between dopaminergic tone and functioning. U-shaped curve for the proposed relation between dopaminergic tone and behavioral and pupillometric (PM) functioning. While behavioral performance degrades in OFF state, pupil responses normalize in OFF state compared to healthy controls45,46.