Dopamine is a powerful signal in the brain, influencing our moods, motivations, movements, and more. The neurotransmitter is crucial for reward-based learning, a function that may be disrupted in a ...

Research shows that reward-based learning requires the two neuromodulators to balance one another's influence -- like the accelerator and brakes on a car If you've heard of two of the brain's chemical ...

If you reward a monkey with some juice, it will learn which hand to move in response to a specific visual cue – but only if the cerebellum is functioning properly. So say neuroscientists at the ...