Neuroscience

In pursuit of pleasure, brain learns to hit the repeat button

In a scientific first, researchers have observed in mice how the brain learns to repeat patterns of neural activity that elicit the all-important feel-good sensation. Until today, the brain mechanisms that guide this type ...

Parkinson's & Movement disorders

New method maps the dopamine system in Parkinson's patients

With the aid of a PET camera, researchers from Karolinska Institutet in Sweden have developed a new method for investigating the dopamine system in the brains of patients suffering from Parkinson's disease. The method measures ...

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 ...

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