Author: Dr. Li Sichun
In the phenomenon known as "synesthesia" in modern psychological research, it has been reported that there have been incidents where a person's five senses may be transformed among each other. For instance, a person may see colors or images upon hearing certain sounds, or smell different scents when seeing certain words and more. Ordinary neurologists believe that this is caused by the overlapping of the brain's five senses' peripheral systems.