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

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

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 ...

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 ...

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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.

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

A study conducted by researchers from Syracuse University’s Department of Communication Sciences and Disorders reveals that ...

Dilation and constriction of the pupils reflect not only changes in light intensity but also ongoing mental activity. The response is a measure of interest, emotion, thought processes and attitudes ...