The colorful world of synesthesia

Explore the sensory explosion experienced by people with this unusual, but not that uncommon nor unwelcome, condition

By Susan Gaidos, 00:00 AM May 21, 2009

Some people with synesthesia always see the letters in the alphabet as a certain color. The color of each letter is always the same.

Some people with synesthesia always see the letters in the alphabet as a certain color. The color of each letter is always the same.

The number “6” is a bright shade of pink. Listening to a cello smells like chocolate. And eating a slice of pizza creates a tickling sensation on the back of your neck.

If you have experiences like this, you may be one of the special people with an unusual sensory condition called synesthesia (pronounced sin-uhs-THEE-zha).

People with synesthesi...

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