What Is Synesthesia?
Alina Bradford
Most people with the condition experience at least two types of synesthesia. Some other types of synesthesia include the following: Smelling certain scents when hearing certain sounds. Seeing sign language as colors. However, Peter Grossenbacher, a psychologist at Naropa University in Colorado, thinks that rather than rearranging the architecture of the brain, synesthesia happens when single-sense areas of the brain get feedback from multisensory areas. Have a perception that is the same each time.