Aphantasia is a condition in which a person is unable to form mental images or visualize things in their mind’s eye. People with aphantasia are unable to “see” pictures or scenes in their mind when they try to think about them. This can make it difficult or impossible for them to engage in certain mental activities, such as visualizing the layout of a room or picturing a loved one’s face.

Aphantasia is thought to be relatively rare, and it is estimated that only a small percentage of the population has the condition. It is not a disease or disorder, and it is not associated with any other negative health outcomes. However, it can have an impact on a person’s ability to engage in certain mental tasks and may affect their memory and learning abilities.

There is ongoing research into the causes and effects of aphantasia, and scientists are working to better understand how the brain processes visual information and forms mental images.