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 Video

Updated: Jun 8, 2026

Tactile Semiautomatic Passive-Finger Angle Stimulator (TSPAS)
04:40

Tactile Semiautomatic Passive-Finger Angle Stimulator (TSPAS)

Published on: July 30, 2020

Raised-angle discrimination under passive finger movement.

Jinglong Wu1, Jiajia Yang, Takashi Ogasa

  • 1Biomedical Engineering Laboratory, Graduate School of Natural Science and Technology, Okayama University, Okayama, Japan. wu@mech.okayama-u.ac.jp

Perception
|September 17, 2010
PubMed
Summary
This summary is machine-generated.

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

Challenging the prokaryotic MGE-defense origin of eukaryotic RNA editing.

mLife·2026
Same author

Short-term effects of exercise therapy on pulmonary function and exercise tolerance in patients with mild to moderate adolescent idiopathic scoliosis: a meta-analysis of randomized controlled trial.

Frontiers in sports and active living·2026
Same author

[Research progress on the neuromodulation targets in stroke rehabilitation].

Sheng wu yi xue gong cheng xue za zhi = Journal of biomedical engineering = Shengwu yixue gongchengxue zazhi·2026
Same author

A Restricted Two-Stage Multi-Locus Multi-Allele Genome-Wide Association Study Reveals Genomic Loci and Candidate Genes Controlling Plant-Height-Related Traits in Soybean Under Normal and Shade Conditions.

International journal of molecular sciences·2026
Same author

The dynamic interplay between cerebral collateral cascade and infarct growth rate in futile recanalization after endovascular thrombectomy: A pilot retrospective cohort study.

Clinical neurology and neurosurgery·2026
Same author

Adverse events following HPV vaccine reported to the Vaccine Adverse Event Reporting System.

PloS one·2026

Human tactile perception of raised angles shows that angle discrimination thresholds increase up to 90 degrees. Both angle apex and endpoints are crucial for discriminating acute angles via touch.

Area of Science:

  • Haptics
  • Tactile Perception
  • Human Psychophysics

Background:

  • Raised-line drawing discrimination involves assessing edge length, curvature, and angles.
  • Angle size is a key feature in tactile stimuli, influencing perception.

Purpose of the Study:

  • To investigate human tactile angle discrimination using passive finger movement.
  • To determine how standard angle size affects discrimination thresholds.
  • To explore the role of angle endpoints in tactile angle perception.

Main Methods:

  • Experiment 1: Assessed discrimination of standard angles (30-150 degrees) with varying comparison angles using passive finger movement.
  • Experiment 2: Examined the influence of endpoints on a 60-degree angle with varied bisector orientations.

More Related Videos

A Tactile Automated Passive-Finger Stimulator (TAPS)
19:44

A Tactile Automated Passive-Finger Stimulator (TAPS)

Published on: June 3, 2009

Three-Dimensional Finger Motion Tracking during Needling: A Solution for the Kinematic Analysis of Acupuncture Manipulation
08:27

Three-Dimensional Finger Motion Tracking during Needling: A Solution for the Kinematic Analysis of Acupuncture Manipulation

Published on: October 28, 2021

Related Experiment Videos

Last Updated: Jun 8, 2026

Tactile Semiautomatic Passive-Finger Angle Stimulator (TSPAS)
04:40

Tactile Semiautomatic Passive-Finger Angle Stimulator (TSPAS)

Published on: July 30, 2020

A Tactile Automated Passive-Finger Stimulator (TAPS)
19:44

A Tactile Automated Passive-Finger Stimulator (TAPS)

Published on: June 3, 2009

Three-Dimensional Finger Motion Tracking during Needling: A Solution for the Kinematic Analysis of Acupuncture Manipulation
08:27

Three-Dimensional Finger Motion Tracking during Needling: A Solution for the Kinematic Analysis of Acupuncture Manipulation

Published on: October 28, 2021

Main Results:

  • Tactile angle discrimination thresholds doubled from 30 to 90 degrees but plateaued thereafter.
  • Cutaneous feedback from both apex and endpoints aids in discriminating acute angles.
  • Obtuse angles rely more on apex information for tactile discrimination.

Conclusions:

  • Tactile angle discrimination is angle-dependent, with distinct mechanisms for acute and obtuse angles.
  • Both local apex and endpoint information are utilized, with relative importance varying by angle size.
  • Cutaneous mechanoreceptors play a critical role in processing tactile angle information.