A universal scaling law of mammalian touch.

A universal scaling law of mammalian touch.
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DOI:
10.1126/sciadv.abb6912
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发表时间:
2020-10
期刊:
影响因子:
13.6
通讯作者:
Montenegro-Johnson TD
Montenegro-Johnson TD
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Andrews JW;Adams MJ;Montenegro-Johnson TD

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Across mammals, vibration mechanoreceptors are located at a universally scaled depth. For most mammals, touch is the first sense to develop. They must feel vibrations on the surface of their skin to enable them to respond to various stimuli in their environment, a process called vibrotaction. But how do mammals perceive these vibrations? Through mathematical modeling of the skin and touch receptors, we show that vibrotaction is dominated by “surface” Rayleigh waves traveling cooperatively through all layers of the skin and bone. Applying our model to experimental data, we identify a universal scaling law for the depth of touch receptors across multiple species, indicating an evolutionarily conserved constant in the sensation of vibrations.
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