The role of spike patterning in shaping human perception of tactile stimuli

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Every touch sensation from our fingertips is conveyed to the brain through the nerves by means of electrical impulses similar to any digital device. Using unique technology developed in our lab we can intercept this neural communication and insert our own messages to test how these signals are interpreted and converted into perceptual experiences. We aim to reveal the rules by which timing of neural signal patterns shapes the perception of touch - specifically intensity and frequency of vibration. By recording signals from neurons and by testing human perception, we will learn about neural processing mechanisms. The new knowledge generated about sensory coding will be essential for rendering a virtual sense of touch.