Tremor Predicts Whether Parkinson’s Medication Will Be Effective – Technology Networks

Credit: Photo by Joshua Hoehne on Unsplash

 
The effect of dopaminergic medication on the learning abilities of patients with Parkinson’s disease turns out to be linked to the presence of tremor symptoms. In patients who do not experience tremor, dopaminergic medication improves the ability to learn from rewards (reinforcement learning). Remarkably, the medication brings no benefit in reward learning to patients who do exhibit tremor. These were the results from a new study by brain researchers at the Donders Institute of Radboud University and Radboud university medical center, published on 6 November in the scientific journal Brain.

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