Tactile-gustatory and tactile-olfactory synesthesia

Alternative names are touch-taste and touch-smell (or touch-to-taste and touch-to-smell)

These types of synesthesia consist of experiencing taste or smell sensations triggered by the sense of touch. They can be a response to one of two types of stimulus: either touching certain textures, or being touched. They are very uncommon types. According to Sean Day's study with data on 1,143 synesthetes, 1.14% of them report touch-taste experiences and just 0.35% touch-smell.

Here are some descriptions written by people with these types of synesthesia:


“Touching certain textures is revoltingly terrible- can taste like terrible foods, while other ones are quite lovely.

A particular favorite of mine is soft yarn tastes warm and sweet? Kind of like fresh cup cakes out of the oven. It drove me to be an avid crocheter. Touching my own upper arms tastes like saltines. The fabric on the mattress I had growing up was blue cheesish? Yeasty and cheesy and absolutely revolting.”

(Source: This post on the online debate platform Reddit/Synesthesia2020.)


“I experience tastes whenever I come in physical contact with anything. For example, my phone screen or anything glassy for that matter tastes like dark cherries.”

(Question: If you touch two different things at once, do you taste both? what does cat fur taste like when you touch it?)

“Yes, I taste them both but they do not mix. I taste them both separately. And cats tend to taste like peanut butter.

I absolutely despise the exterior of jeans. They taste like raw fish.”

(Source: This post and comments on the online debate platform Reddit/Synesthesia. 2018.)


"For example, if someone touches my arm, it's a floral smell. But if someone touches my chest, it's the smell of warm clothes."

(Source: This post on the online debate platform Reddit/Synesthesia. 2018.)

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