NDLI: Validation of a 3-D Finite Element Human Fingerpad Model Composed of Anatomically Accurate Tissue Layers

Content Provider	IEEE Xplore Digital Library
Author	Wagner, M.B. Gerling, G.J. Scanlon, J.
Copyright Year	2008
Description	Author affiliation: Univ. of Virginia, Charlottesville (Wagner, M.B.; Gerling, G.J.; Scanlon, J.)
Abstract	The mechanoreceptors distributed in the finger provide a perceptual interface with our physical world. Slowly adapting type I (SA-I) mechanoreceptors translate mechanical stimulation to neural response and inform our sense of touch. This paper sought to develop a 3-D finite element model of the fingertip to help better understand how the mechanics of the skin impact SA-I mechanoreceptor response. This 3-D model has anatomically accurate external geometry, is multi-layered with accurate skin layer thicknesses and utilizes linear elastic material properties. Its mesh is also of a higher resolution compared to previous models. The model was validated using a 50 mum line load to predict fingerpad surface deflection and using an aperiodic grating to predict edge effects in the neural response. While more rigorous testing remains, the ability of the model to match published data for this subset of tasks shows its capacity to predict biologically accurate responses.
Starting Page	101
Ending Page	105
File Size	605347
Page Count	5
File Format	PDF
ISBN	9781424420056
DOI	10.1109/HAPTICS.2008.4479922
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-03-13
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Finite element methods Humans Skin Predictive models Fingers Solid modeling Geometry Material properties Gratings Testing tactile sensation fingertip skin finite element analysis simulation SA-I mechanoreceptor
Content Type	Text
Resource Type	Article

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