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.

Parkinson's & Movement disorders

Tug of war between Parkinson's protein and growth factor

Alpha-synuclein, a sticky and sometimes toxic protein involved in Parkinson's disease (PD), blocks signals from an important brain growth factor, Emory researchers have discovered.

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