振动触觉前掩蔽：皮肤机械感受三联理论的心理物理学证据。

Vibrotactile forward masking: psychophysical evidence for a triplex theory of cutaneous mechanoreception.

作者信息

Gescheider G A, Sklar B F, Van Doren C L, Verrillo R T

出版信息

J Acoust Soc Am. 1985 Aug;78(2):534-43. doi: 10.1121/1.392475.

Abstract

Threshold shifts for the detection of vibrotactile test stimuli were determined as a function of the intensity of a masker. A 50-ms sinusoidal test stimulus was applied to the thenar eminence of the hand 25 ms after the termination of a 700-ms sinusoidal masker applied to the same site. The frequency of the test stimulus and the frequency of the masker were varied. To eliminate the influence of the Pacinian receptor system, stimuli were delivered through a 0.01-cm2 contactor. The results support the hypothesis that the detection of vibration delivered through a small contactor is determined by two separate populations of non-Pacinian receptors. The study constitutes a psychophysical demonstration of the existence of three receptor systems responsible for the detection of vibration.

摘要

根据掩蔽声强度测定了用于检测振动触觉测试刺激的阈移。在向同一部位施加700毫秒的正弦掩蔽声终止后25毫秒，将50毫秒的正弦测试刺激施加于手部的鱼际隆起处。测试刺激的频率和掩蔽声的频率有所变化。为消除帕西尼氏感受器系统的影响，刺激通过一个0.01平方厘米的接触器施加。结果支持这样的假设，即通过小接触器传递的振动检测由两类不同的非帕西尼氏感受器决定。该研究构成了对负责振动检测的三种感受器系统存在的心理物理学证明。