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

An indication for spatial integration in a non-Pacinian mechanoreceptor system?

H Muijser1

  • 1Department of Neurotoxicology, TNO Nutrition and Food Research, Rijswijk, The Netherlands.

The Journal of the Acoustical Society of America
|August 1, 1994
PubMed
Summary

This study reveals spatial integration in non-Pacinian receptors for vibration sensitivity. A matrix of vibrating pins showed a lower detection threshold than a single pin at low frequencies.

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

Short-Term Inhalation Exposure of Healthy and Compromised Rats and Mice to Fine and Ultrafine Carbon Particles.

Inhalation toxicology·2015
Same author

Acute toxicity of high concentrations of carbon dioxide in rats.

Regulatory toxicology and pharmacology : RTP·2014
Same author

Rapid photopigment conversions in blowfly visual sense cells consequences for receptor potential and pupillary response.

Biophysics of structure and mechanism·2012
Same author

Neurobehavioral effects of acute exposure to isoparaffinic and cycloparaffinic hydrocarbons.

International journal of toxicology·2011
Same author

Neurobehavioral effects of acute exposure to normal (n-) paraffins.

International journal of toxicology·2011
Same author

Neurobehavioral effects of acute exposure to aromatic hydrocarbons.

International journal of toxicology·2010

Area of Science:

  • Neuroscience
  • Somatosensation
  • Mechanoreception

Background:

  • Cutaneous vibrational stimuli detection involves Pacinian and non-Pacinian receptor systems.
  • Pacinian receptors demonstrate spatial integration, a property not previously identified in non-Pacinian systems.

Purpose of the Study:

  • To investigate spatial integration in non-Pacinian mechanoreceptors.
  • To determine if non-Pacinian systems exhibit spatial contrast sensitivity for vibratory stimuli.

Main Methods:

  • Measurements of vibration sensitivity thresholds were conducted on six subjects.
  • Stimuli involved a matrix of tiny pins with controlled spatial contrast and phase (opposite vs. equal phase).
  • Vibration frequencies ranged from 20-80 Hz.

Related Experiment Videos

Main Results:

  • A 13 dB lower detection threshold was observed for a matrix of pins compared to a single pin at low frequencies (20-80 Hz).
  • This effect was pronounced when adjacent rows of pins vibrated with opposite phases.
  • No significant threshold difference was found for a matrix of pins vibrating in equal phase versus a single pin.

Conclusions:

  • The findings suggest the presence of spatial integration in at least one class of non-Pacinian cutaneous receptors.
  • This challenges the previous understanding by demonstrating spatial processing capabilities beyond Pacinian systems.
  • Non-Pacinian receptors contribute to the spatial analysis of vibratory stimuli.