Microstimulation of the human dopaminergic midbrain causally reshapes value-based decision-making and happiness
Mar Yebra, Hristos S. Courellis, Sophia Cheng, Clayton Mosher, Zhongzheng Fu, Michele Tagliati, Adam N. Mamelak, Ueli Rutishauser
This study shows that microstimulation of the human midbrain alters decision-making and happiness by changing how losses are processed.
bioRxiv · May 19, 2026 · PreprintNeuroscience