Neuroscience

Dopamine's yin-yang personality: It's an upper and a downer

For decades, psychologists have viewed the neurotransmitter dopamine as a double-edged sword: released in the brain as a reward to train us to seek out pleasurable experiences, but also a "drug" the constant pursuit of which ...

Psychology & Psychiatry

Dopamine, drugs, and depression

The neurotransmitter dopamine plays a major role in mental illnesses like substance abuse disorders and depressive disorders, as well as a more general role in reward and motivational systems of the brain. But there are still ...

Parkinson's & Movement disorders

Investigators eye new target for treating movement disorders

Blocking a nerve-cell receptor in part of the brain that coordinates movement could improve the treatment of Parkinson's disease, dyskinesia and other movement disorders, researchers at Vanderbilt University have reported.

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