Perception Facts

Optical illusions occur when what the eyes see conflicts with what the brain expects.

Philosophers at Oxford have proposed that future biotechnology could theoretically alter a prisoner's perception of time, making them experience a 1,000-year sentence in just eight hours—raising profound ethical questions about punishment.

Some people can taste words—a rare phenomenon called lexical-gustatory synesthesia, where hearing or reading certain words triggers unique flavors in their mouths.