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Tactile and Chemical Senses01:27

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Tactile senses encompass touch, temperature, and pain, each mediated by specific receptors. Touch receptors detect mechanical energy or pressure against the skin. Sensory fibers from these receptors enter the spinal cord and relay information to the brain stem. Here, most fibers cross over to the opposite side of the brain. The touch information then moves to the thalamus, which projects a map of the body's surface onto the somatosensory areas of the parietal lobes in the cerebral cortex.
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Measurement of Vibration Detection Threshold and Tactile Spatial Acuity in Human Subjects
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Tactile sensitivity alters textile touch perception.

Sunidhi Mehta1, Ida Holásková2, Matthew Walker2

  • 1Davis College of Agriculture, Natural Resources and Design, West Virginia University, Morgantown, West Virginia, United States of America.

Plos One
|September 18, 2024
PubMed
Summary
This summary is machine-generated.

Tactile sensitivity significantly impacts how people perceive textile textures. Experience with textiles, particularly frequency of working with them, most influences touch perception, more than expertise.

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Area of Science:

  • Textile Science
  • Haptics
  • Human-Computer Interaction

Background:

  • Tactility is essential for physical world interaction, including textile texture differentiation and comfort assessment.
  • Digital haptic experiences are emerging for realistic virtual object interaction, impacting e-commerce, VR/AR, and the metaverse.
  • Understanding tactile perception is key to advancing textile experiences in digital environments.

Purpose of the Study:

  • To investigate the influence of tactile sensitivity on the perception of textile textures.
  • To analyze how factors like expertise, handiwork frequency, textile work frequency, and familiarity affect tactile assessments.
  • To determine the impact of these factors on the perception of eight specific touch attributes across 22 textile swatches.

Main Methods:

  • Assessed tactile sensitivity using four factors: subject-matter expertise, frequency of handiwork, frequency of working with textiles, and familiarity with textile textures.
  • Participants rated 22 textile swatches on eight touch attributes using a 5-point Likert scale.
  • Employed predictive modeling to analyze the relationship between tactile sensitivity factors and tactile assessment scores.

Main Results:

  • Tactile sensitivity significantly influenced participants' perception of textile textures.
  • "Frequency of working with textiles" and "familiarity of textile textures" were the most impactful factors on tactile ratings.
  • Perceptual differences in the isotropy attribute were significant across all assessments. No significant differences in hairiness, scratchiness, or uniformity perception between experts and non-experts were found.

Conclusions:

  • Individual tactile sensitivity, particularly experience-based factors, plays a critical role in perceiving textile textures.
  • While expertise showed limited impact, practical experience significantly shapes tactile judgments.
  • The study highlights the nuanced relationship between tactile sensitivity and textile perception, relevant for digital and physical textile applications.