BRAIN - Perceptual motion bias helps humans interpret vague motion information

When viewing a scene with low contrast, such as in cloudy or low-light situations, humans tend to perceive objects to be moving slower or flickering faster than in reality. This less-than-faithful interpretation of the sensory environment is known as perceptual bias and is thought to be a mechanism that can help humans interpret vague motion information. Brett Vintch and Justin Gardner from the Laboratory for Human Systems Neuroscience at the RIK ...

http://medicalxpress.com/news/2014-04-perceptual-motion-bias-humans-va