Synesthesia is a condition in which sensory input from one cognitive stream gives rise to experience in another unstimulated cognitive stream. The most common forms of synesthesia include ...

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 ...

To most readers, this text looks black and white. But to a few, each letter possesses a different color, and reading becomes more than what’s in black and white. Those who read in color live with ...

To most people a "red-letter day" is merely a metaphor. But it's everyday reality to a synesthete who sees the alphabet in colors. Synesthesia, a condition characterized by one sensory experience ...

When Carol Steen first learned the alphabet in elementary school, she was smitten with the very first letter. "'A' was the prettiest pink I'd ever seen," she remembers telling her best friend on their ...

While most of us see sights and hear sounds, some people also hear colors and taste words, a mysterious phenomenon called synesthesia, which occurs when stimulating one of the five senses triggers ...

Emily looked strangely at her good friend Mackenzie when Mackenzie one day remarked, “You have a really pretty phone number.” Emily, of course, had no idea what her friend meant — until Mackenzie ...

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.