Synesthesia is a concept that has always fascinated people. People have long since claimed to process colors as sounds, or to associate colors with music or words. But how can we prove that ...

Pupil size in people with synesthesia changed depending on how bright or dark the perceived colors were.

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It's hard to pinpoint when synesthesia, the rare neurological condition where a stimulus that affects one sense prompts a response in a different sense, was first documented. Scientific literature ...

When you hear the word love, does it taste like fresh ink and soft paper? When you see the number 4, does it burn a deep orange in your mind's eye? Does the letter E glow lime green above the page ...

In the peculiar world of synesthesia, people experience an involuntary joining of different sensations. These individuals may, for example, feel intense facial pressure when listening to music or see ...

Synesthesia. It’s when someone sees colors when hearing music, the linking of sensory information with something unrelated. It’s also experienced sometimes as seeing colors in other visuals, such as ...

For most people, the plain, black letters on this page are rather unremarkable. For less than four percent of the population however, these words are a little more colorful, tactile, or might even ...