This article was originally published on The Conversation. Read the original article. Imagine what the world would be like if numbers had specific spatial locations, music had shapes, or colors made ...

A person with naturally occurring synesthesia experiences the sensory world in overlapping layers. Sounds are seen as colors and tastes are processed as sounds. Overall, there are 60 documented forms ...

Since Albert Hoffman discovered LSD (lysergic acid diethylamide) in 1938 and hippie culture made it a popular social drug in the 1960s, its psychedelic effects on the brain have been a source of ...

Richard Cytowic, a pioneering researcher who returned synesthesia to mainstream science, traces the historical evolution of our understanding of the phenomenon. By Richard E. Cytowic / MIT Press ...

Synesthesia is a perceptual experience in which one sensory input (like a letter or number) is automatically associated with another sensory experience (like a color or feeling). The prevalence of ...

People with synesthesia experience the sensory world in a unique way — for example, they "taste" words or "hear" colors. Now, new research suggests that people who learn a second language but aren't ...

Hypnosis can alter the way certain individuals information process information in their brain. A new phenomenon was identified by researchers who have successfully used hypnosis to induce a functional ...

Synesthesia is a neurological condition that causes the brain to process data in the form of several senses at once. For example, a person with synesthesia may hear sounds while also seeing them as ...

Daniel Tammet has memorized Pi to the 22,514th digit. He speaks ten different languages, including one of his own invention, and he can multiply enormous sums in his head within a matter of seconds.

Vladimir Nabokov first noticed, at age 7, his special gift of synesthesia when playing with colorful alphabet blocks that "were all the wrong color." Source: Contributor: Neil Overy/Alamy Stock Photo.