The effect of surface wave propagation on neural responses to vibration in primate glabrous skin.

PloS One
Louise R ManfrediSliman J Bensmaia

Abstract

Because tactile perception relies on the response of large populations of receptors distributed across the skin, we seek to characterize how a mechanical deformation of the skin at one location affects the skin at another. To this end, we introduce a novel non-contact method to characterize the surface waves produced in the skin under a variety of stimulation conditions. Specifically, we deliver vibrations to the fingertip using a vibratory actuator and measure, using a laser Doppler vibrometer, the surface waves at different distances from the locus of stimulation. First, we show that a vibration applied to the fingertip travels at least the length of the finger and that the rate at which it decays is dependent on stimulus frequency. Furthermore, the resonant frequency of the skin matches the frequency at which a subpopulation of afferents, namely Pacinian afferents, is most sensitive. We show that this skin resonance can lead to a two-fold increase in the strength of the response of a simulated afferent population. Second, the rate at which vibrations propagate across the skin is dependent on the stimulus frequency and plateaus at 7 m/s. The resulting delay in neural activation across locations does not substantially blur the...Continue Reading

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Citations

Oct 2, 2013·Proceedings of the National Academy of Sciences of the United States of America·Alison I WeberSliman J Bensmaia
Jun 21, 2015·Neuropsychologia·Hannes P Saal, Sliman J Bensmaia
May 9, 2014·IEEE Transactions on Haptics·Katherine O Sofia, Lynette A Jones
May 23, 2014·IEEE Transactions on Bio-medical Engineering·Pilwon HurNa Jin Seo
Apr 2, 2016·Proceedings of the National Academy of Sciences of the United States of America·Yitian ShaoYon Visell
Feb 4, 2014·Journal of Neuroscience Methods·Yu-Cheng PeiSliman Bensmaia
Dec 6, 2014·Frontiers in Human Neuroscience·Na Jin SeoPilwon Hur
Jul 17, 2015·Physiological Reports·Kishor LakshminarayananNa Jin Seo
Feb 14, 2014·Journal of Neurophysiology·Louise R ManfrediSliman J Bensmaia
Nov 24, 2017·Journal of Neurophysiology·Chelsea TymmsEsther P Gardner
Aug 28, 2019·PLoS Biology·Benoit P DelhayeSliman J Bensmaia
Jun 9, 2019·Experimental Brain Research·Valay A ShahLeigh A Mrotek
Jun 11, 2020·Journal of the Royal Society, Interface·Charles M GreensponSliman J Bensmaia
Sep 25, 2018·Journal of Neural Engineering·Elizaveta V OkorokovaSliman J Bensmaia
Jan 26, 2017·Frontiers in Behavioral Neuroscience·Laure N ClaverieElie Wandersman
Jun 5, 2020·Science Advances·Yitian ShaoYon Visell
May 21, 2020·Royal Society Open Science·Julia C Quindlen-HotekVictor H Barocas
Sep 1, 2017·Journal of Neurophysiology·Justin D LieberSliman J Bensmaia
Jun 28, 2017·Proceedings of the National Academy of Sciences of the United States of America·Hannes P SaalSliman J Bensmaia
Nov 19, 2020·Behavior Research Methods·Louise P KirschVincent Hayward
Jul 25, 2021·Journal of Clinical Medicine·Claudio ZippenfennigThomas L Milani

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