Martin Grunwald, Welda P M Pasatu, Jente Spille, Rene Haensel, Jens Stieler, Max Holzer, Mirjana Ziemer, Kevin H G Butz, Sven Martin, Stephanie Margarete Mueller, Markus Morawski
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引用次数: 0
摘要
世界各地的人们,无论其文化或背景如何,每天都要摸脸多达 800 次。身体的任何其他部位都没有脸部被触摸的频率高。额头、鼻子和下巴--即所谓的面部 T 区--在自发的面部自摸(sFST)中被触摸的频率尤其高。据推测,机械感受器的密度(根据面部毛发的分布推断)与自发的自我触摸频率之间存在一定的关系。为了间接测量机械感受器(皮肤末端器官复合体)的密度,研究 A 测定了 30 名(15f/15m)健康志愿者面部 40 个不同测量点的绒毛和末端毛发数量。在研究 B 中,确定了 66 名(32f/34m)健康人在同样 40 个测量点上的 sFST 频率。研究 A 显示,T 区的面部毛发数量(男女均有)高于面部其他区域。研究 B 显示,T 区比脸部其他区域更常被触摸。在进行 sFST 时,面部毛发较多(可能神经支配密度较高)的皮肤区域被触摸的频率特别高。
Number of Facial Hair Corresponds to Frequency of Spontaneous Face-Touch in Humans.
People all over the world, independent of their culture or background, touch their faces up to 800 times per day. No other part of the body is touched as often as the face. Forehead, nose, and chin-the so-called T-zone of the face-are touched particularly frequently during spontaneous facial self-touches (sFST). It is hypothesized that there is a relationship between the density of mechanoreceptors (inferred from facial hair distribution) and the frequency of spontaneous self-touching. In order to indirectly measure the density of mechanoreceptors (cutaneous end organ complexes), the number of vellus and terminal hairs at 40 different measuring points on the face of 30 (15f/15m) healthy volunteers in study A is determined. In study B, the frequency of sFST at the same 40 measuring points in 66 (32f/34m) healthy persons is determined. Study A reveals that the number of facial hairs-in both sexes-is higher in the T-zone than in other areas of the face. Study B reveals that the T-zone is touched more frequently than other areas of the face. Skin areas of the face with a higher number of vellus hairs (and presumably higher innervation density) are touched particularly frequently during sFST.