SEATTLE — Patients could use a handheld device at home to screen for certain liver diseases earlier, according to a study published in the American Journal of Gastroenterology. The device looks ...

Critical flicker fusion (CFF), a measure of visual processing speed, predicts executive function in younger and older adults and may be helpful in predicting decline in executive function, say ...

AN OPTICAL illusion test is said to reveal whether your mental images are more vivid than others. It’s called the “Ganzflicker” and it’s an intense red and black flickering screen that can make you ...

A simple eye test which could speed up the diagnosis of serious psychiatric disorders - and alleviate suffering of millions of patients worldwide - is now delivering 'solid' results in a global trial.

Sampling rates are important when we want to observe or record phenomena extending through time – for a stream of information of a given bit depth, we can capture a richer and more accurate portrait ...