People with aphantasia see nothing. Prior research has suggested that the cause of the disorder is likely a deficit in the visual processing part of the brain. In this new effort, the team in ...

Sensory processing disorder—also known as SPD or sensory integration disorder—is a term describing a collection of challenges that occur when the senses fail to respond properly to the outside ...

A vision test may help diagnose dementia 12 years before a diagnosis, according to research. Here, experts explain vision and ...