At the Touch and Tickle Lab in the Netherlands, volunteers sit with their bare feet resting on a platform. They have no idea when a robotic probe will stroke their soles, which foot it will be, or how it will feel. While the robot works, Konstantina Kilteni and her team track brain activity, heart rate, breathing, and every flinch, grin, and fit of laughter. The goal is to pin down how speed, pressure, and duration turn an ordinary touch into a tickle.
This week on Unexplainable, Noam Hassenfeld speaks with Konstantina about her research. Watch the full episode on Netflix or listen wherever you get your podcasts.
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