Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Intra- and interactive touch on the face.

Ronald T Verrillo1, Stanley J Bolanowski, Francis P McGlone

  • 1Institute for Sensory Research, Syracuse University, Syracuse, NY 13244, USA. ron_verrillo@isr.syr.edu

Somatosensory & Motor Research
|May 15, 2003
PubMed
Summary

Subjective size perception of steel balls depends on the mechanical properties of both the stimulus and facial skin. Differences in size judgments occurred when subjects actively stimulated another person's face.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Neurophysiological evidence of motor contribution to vicarious affective touch.

Cerebral cortex (New York, N.Y. : 1991)·2024
Same author

Human tactile sensing and sensorimotor mechanism: from afferent tactile signals to efferent motor control.

Nature communications·2024
Same author

To touch or to be touched? comparing appraisal of vicarious execution and reception of interpersonal touch.

PloS one·2024
Same author

The skin-brain connection and pleasant touch as supportive care for psychocutaneous disorders.

Skin health and disease·2024
Same author

Hold me or stroke me? Individual differences in static and dynamic affective touch.

PloS one·2023
Same author

Dynamic touch induces autonomic changes in preterm infants as measured by changes in heart rate variability.

Brain research·2022

Area of Science:

  • Psychology
  • Neuroscience
  • Biomechanics

Background:

  • The sense of touch is crucial for object perception.
  • Understanding how tactile stimuli are processed is key to understanding sensory perception.

Purpose of the Study:

  • To investigate the influence of mechanical characteristics on the subjective size perception of tactile stimuli.
  • To explore how different modes of tactile stimulation (self- vs. other-applied) affect size judgments.

Main Methods:

  • Experiments utilized the method of absolute magnitude estimation (AME) to assess subjective size.
  • Steel balls were actively rolled ("scripted") by a subject's finger pad across facial sites (forehead, cheek, lip).
  • Stimulation occurred in intra-active (self-to-self) and interactive (self-to-other, other-to-self) touch conditions.

Related Experiment Videos

Main Results:

  • Size perception was primarily governed by the mechanical properties of the steel balls and the facial skin.
  • Significant differences in size judgments were observed when subjects actively stimulated another person's face.
  • No significant differences in size judgments were found when another person stimulated the subject's face.

Conclusions:

  • Tactile size perception is influenced by the interplay between stimulus mechanics and the mechanical properties of the receptive skin surface.
  • The mode of stimulation (active vs. passive, self- vs. other-applied) significantly modulates tactile size perception.
  • Tissue mechanics and sensory feedback play critical roles in how we perceive the size of objects through touch.