The cerebellum plays a role in the reward system of the body.
Scientists discovered an unexpected role of the cerebellum in New Scientist, Scientists from Stanford University stated that the cerebellum plays an important role in the reward system of the body.
The researchers ‘ findings were published in the journal Nature. The cerebellum occupies only 10% of brain volume but contains a large number of neurons. Previously, researchers have already established that he is responsible for coordinating movements. In order to learn how the cerebellum controls the muscles of mice, the researchers used two-photon calcium imaging, a method allowing to monitor the activity of neurons in real time. In the experiment, the mouse had to move, pressing the lever, after which he received a portion of water with sugar. In the result, it was found that when mice received the award, they have in the cerebellum was activated a group of neurons. When they were deprived of sweet water, this has led to the activation of another group.
As scholars have noted, the cerebellum is not the first area which is associated both with movement and reward system. Similar properties possess the basal ganglia that regulate movement and concentration.
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