Tactile perception as probabilistic inference

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Humans take for granted our ability to perceive the external world, but how does the nervous system accomplish this remarkable feat? The means by which our sensory organs convert physical stimuli into neuronal responses are relatively well understood, as are the stimulus-evoked firing patterns of sensory neurons in the brain. Much less understood is the mystery of perception: following sensory activation, how does the brain reconstruct an image of the physical world? Our research will address this important neuroscientific question with specific reference to the sense of touch.