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 ...

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.

Parkinson's & Movement disorders

A new insight into Parkinson's disease protein

Abnormal clumps of certain proteins in the brain are a prominent feature of Parkinson's and other neurodegenerative diseases, but the role those same proteins might play in the normal brain has been unknown.

Surgery

Study suggests approach to waking patients after surgery

The use of general anesthesia for surgery has not changed fundamentally since it was first introduced 170 years ago. Patients are still left to come around in their own time following withdrawal of the drug.

page 2 from 12