Synesthesia is a rare and non-pathological condition wherein the stimulation of a certain sense provokes a secondary perception in another. In short, it makes a person hear sounds upon seeing images, see colors upon hearing music or experience taste when certain words and phrases are spoken.
Alzheimer's disease can be detected decades before onset, using a virtual reality test, a study suggests.
Synesthesia is a rare and non-pathological condition wherein the stimulation of a certain sense provokes a secondary perception in another. In short, it makes a person hear sounds upon seeing images, see colors upon hearing music or experience taste when certain words and phrases are spoken.
Alzheimer's disease can be detected decades before onset, using a virtual reality test, a study suggests.