These guys put together a neural-feedback system using an external, wireless headband that detects the brain’s electrical patterns to manipulate an on-screen avatar in a game they developed. The hope is that using this setup will help people with ADHD (attention deficit hyperactivity disorder) learn to better concentrate…

PC graphics cards have long been touted as the cutting edge in terms of videogame visuals. But according to British engineering site The Engineer Online, they also could serve another purpose: the medical field.

In 2006, the researchers found they could do image reconstruction faster via a cluster of networked 64-bit supercomputer, which costs £15,000 (approximately US$30,000). However, they found a far more cost-effective way to speed it up when they used PCs armed with the newest graphics cards…