Biomedical technology

Researchers demonstrate miniature brain stimulator in humans

Rice University engineers have developed the smallest implantable brain stimulator demonstrated in a human patient. Thanks to pioneering magnetoelectric power transfer technology, the pea-sized device developed in the Rice ...

Psychology & Psychiatry

Two key brain systems are central to psychosis, study finds

Inside the brains of people with psychosis, two key systems are malfunctioning: a "filter" that directs attention toward important external events and internal thoughts, and a "predictor" composed of pathways that anticipate ...

Parkinson's & Movement disorders

New hypothesis emerges on Parkinson's disease's origins and spread

The nose or the gut? For the past two decades, the scientific community has debated the wellspring of the toxic proteins at the source of Parkinson's disease. In 2003, a German pathologist, Heiko Braak, MD, first proposed ...

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