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Interdisciplinary Network of Researchers in Touch

Program detail

Friday 26th July, 2019

11:30-12:15: KeyNote in Lecture Theatre, A01Microneurography: single unit recordings from touch afferents in humans

Ackerley R

The in vivo technique of microneurography allows the recording of peripheral nerve traffic in humans. In touch research, microneurography is used to record from single mechanoreceptive afferents during tactile interactions and their activity can be related to an associated percept. The precise firing of single mechanoreceptive afferents generates sufficient information to allow us to determine differences between a wide range of surfaces. I will present how microneurography works and focus on findings from unmyelinated tactile afferents, C-tactile (CT) afferents. CTs are only found only in hairy skin and are believed to signal affective touch. Their firing has been linked to tactile pleasantness and they are tuned to respond to a slow, gentle caress delivered around human skin temperature, thus play a key role in inter-personal interactions.

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