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

Texture signals in whisker vibrations.

Joerg Hipp1, Ehsan Arabzadeh, Erik Zorzin

  • 1Institute of Neuroinformatics, University/ETH Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland. joerg@ini.phys.ethz.ch

Journal of Neurophysiology
|December 13, 2005
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

Unlocking Neuroprotection: Exercise-Induced Muscle Secretome (Myokines) as a Therapeutic Avenue Against Alzheimer's Disease Pathogenesis.

Journal of molecular neuroscience : MN·2026
Same author

Spontaneous perceptual reversals are accompanied by systematic changes in pupil size but not respiration phase.

Scientific reports·2026
Same author

Digital Twin Brain simulation and manipulation of a functional brain network underlying mental illness.

bioRxiv : the preprint server for biology·2026
Same author

Sound lateralization ability is affected by saccade direction but not eye movement-related eardrum oscillations.

Journal of neurophysiology·2026
Same author

The alignment of respiration to sensory-motor events is shaped by expected effort.

iScience·2026
Same author

Boosting muscle health in aging rats: The synergistic effect of vitamin C, silymarin, and endurance swimming on a high-fat diet.

Tissue & cell·2025

Rodents can discern textures using whisker vibrations. Key features like modulation power and centroid in whisker vibrations help rats classify textures, mimicking artificial systems.

Area of Science:

  • Neuroscience
  • Biophysics
  • Sensory Systems

Background:

  • Rodents utilize whisker sweeping for intricate texture discrimination.
  • Understanding the specific vibrational signals is crucial for deciphering this sensory capability.

Purpose of the Study:

  • To identify the critical vibrational signal features enabling fine texture discrimination in rodents.
  • To compare signal processing in artificial and biological whisker systems.

Main Methods:

  • Vibration signals were recorded from artificial whiskers and rat whiskers in vivo using sensors.
  • A classification algorithm was developed to match vibration frequency spectra to textures.
  • Key discriminative features within the vibration spectra were analyzed.

Related Experiment Videos

Main Results:

  • The classification algorithm achieved 40% accuracy for artificial whiskers (8 textures) and 80% for natural whiskers (5 textures).
  • Two primary features, modulation power and modulation centroid, accounted for most of the discriminative information.
  • Modulation power increased with texture coarseness, while modulation centroid decreased.

Conclusions:

  • The biological system effectively extracts specific vibrational features (modulation power and centroid) for texture classification.
  • These extracted features are directly linked to neuronal responses in the whisker pathway.
  • Rodent whisker-based texture perception is an optimized sensory processing system.