Neuroscience

Brain implant restores visual perception to the blind

Seven years ago, Jason Esterhuizen was in a horrific car crash that destroyed his eyes, plunging him into total darkness. Today, he's regained visual perception and more independence, thanks to an experimental device implanted ...

Medical research

Why a blow to the chest can kill or save you

A blow to the chest can have highly contrasting effects. For instance, some baseball players have died after being hit in the chest by a baseball, while patients undergoing fatal cardiac tachyarrhythmias have been saved by ...

Cardiology

New device could allow your heartbeat to power pacemaker

An experimental device converted energy from a beating heart to provide enough electricity to power a pacemaker, in a study presented at the American Heart Association's Scientific Sessions 2012.

Oncology & Cancer

Wearable device slows deadly brain tumors, clinical trial finds

A wearable device that emits low-level electrical fields can slow the progression of glioblastoma, the deadliest form of brain cancer, and extend patients' lifespans, a major clinical trial at the University of Virginia School ...

Cardiology

New device performs better than old for removing blood clots

An experimental blood clot-removing device outperformed the FDA-approved MERCI; retriever device, according to late-breaking science presented at the American Stroke Association's 2012 International Stroke Conference.

Ophthalmology

Light quality found to enhance contrast vision

Prof Sei-ichi Tsujimura of the Nagoya City University and Prof Su-Ling Yeh of National Taiwan University and Kagoshima University, have discovered that our visual acuity (contrast sensitivity) can be improved by using a light ...

Neuroscience

Scientists create device that can isolate blood flow to brain

An experimental device that isolates blood flow to the brain has the potential to revolutionize brain research. The device redirects the brain's blood supply through a pump that maintains or adjusts a range of variables necessary ...

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