Optical illusions like the hidden cactus challenge can test and enhance observation skills, cognitive flexibility, and ...

Schizophrenia is a serious mental disorder that affects around 1% of the world's population. Researchers have identified a deficit in contrast perception in people with schizophrenia. According to a ...

Laptops, heating pads and space heaters on bare skin can lead to erythema ab igne, or toasted skin syndrome, experts say.