In Brief

Synesthesia is the neurological phenomenon where stimulating one sense triggers a response in another, resulting in experiences like tasting scents or seeing sounds.

Synesthesia is the neurological phenomenon where stimulating one sense triggers a response in another, resulting in experiences like tasting scents or seeing sounds. In the context of nature, these merged perceptions are seen as abnormalities that rarely afford any evolutionary advantage, but As David Pescovitz writes in the latest issue of Good, learning how to control these alternative pathways could have profound implications. Individuals who are without one or more of their senses could further heighten their existing perceptions of the world or those that have lost limbs could be given “feeling” in their prosthetic limbs.

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