A visual puzzle challenges you to find a hidden inverted \"52\" among numerous inverted \"25\"s within an 8-second time limit. This brain teaser tests you ...

New research shows that the superior colliculus, a primitive brain region, can independently interpret visual information.

Test your sharp eyes and quick mind with a fun optical illusion challenge! Most numbers appear identical, but one is an 'inverted 45'. Spotting this h ...

A new analysis of the brain’s intrinsic communication networks suggests a layered organization behind human intelligence. The ...

Visual illusions are images that play tricks with our eyes and brain. These puzzles are excellent for testing an individual's visual acuity. These mind-bending images challenge our perception and ...

By contrast, long-term memory is the system that stores information more permanently, allowing us to recall events, facts and skills even years later. But transferring information from short-term to ...

Researchers explore how such physiological signals such as electrodermal conductance can reveal cognitive arousal — the level of mental alertness and emotional activation — without the need for ...

An analysis of how the human skin responds to images, sounds, and touch has suggested that the nervous system may respond ...

Test your observation skills with this Optical Illusion Challenge — can you find the different number hidden among similar ones in just 9 seconds? Only the sharpest eyes will spot it in time!