In his book on basketball great Bill Bradley, writer John McPhee proposed that Bradley's greatest asset had little to do with ...

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A 1.5-year-old boy from Bulandshahr, Uttar Pradesh has gained attention due to his unique trait of eye colour changing based ...

They also betray mental and emotional commotion within. In fact, pupil dilation correlates with arousal so consistently that researchers use pupil size, or pupillometry, to investigate a wide range of ...

In the laboratory, all test subjects were then also exposed to artificial light of different wavelengths (red, green, blue and white) and their pupil dilation was measured for comparability and ...

OP-ED. At a time when hoaxes flourish, psychology researcher Sylvie Chokron explains in a column how to spot mythomaniacs ...

The peripheral drift illusion causes us to perceive motion in a still image. A new study shows that the mechanism of this illusion relies on changes in pupil size.

A painless and non-invasive pulse of electrical stimulation to specific brain areas can ease some symptoms of post-stroke ...

The science of pupillometry takes a common intuition — that you can tell a lot about someone when you look them in the eye — and makes it concrete, measurable, and extraordinarily useful.

Larsen, MDThe pupil is the opening located in the center of the iris of the eye. It controls the amount of light that enters ...