Cited by 152Tactile and Sensory InteractionsMotor Control and AdaptationVisual perception and processing mechanisms

Texture-induced vibrations in the forearm during tactile exploration

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Delhaye, Benoit, Hayward, Vincent, Lefèvre, Philippe, Thonnard, Jean-Louis·2012·Frontiers in Behavioral Neuroscience

Abstract

Humans can detect and discriminate between fine variations of surface roughness using active touch. It is hitherto believed that roughness perception is mediated mostly by cutaneous and subcutaneous afferents located in the fingertips. However, recent findings have shown that following abolishment of cutaneous afferences resulting from trauma or pharmacological intervention, the ability of subjects to discriminate between textures roughness was not significantly altered. These findings suggest that the somatosensory system is able to collect textural information from other sources than fingertip afference. It follows that signals resulting of the interaction of a finger with a rough surface must be transmitted to stimulate receptor populations in regions far away from the contact. This transmission was characterized by measuring in the wrist vibrations originating at the fingertip and thus propagating through the finger, the hand and the wrist during active exploration of textured surfaces. The spectral analysis of the vibrations taking place in the forearm tissues revealed regularities that were correlated with the scanned surface and the speed of exploration. In the case of periodic textures, the vibration signal contained a fundamental frequency component corresponding to the finger velocity divided by the spatial period of the stimulus. This regularity was found for a wide range of textural length scales and scanning velocities. For non-periodic textures, the spectrum of the vibration did not contain obvious features that would enable discrimination between the different stimuli. However, for both periodic and non-periodic stimuli, the intensity of the vibrations could be related to the microgeometry of the scanned surfaces.

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Crossref · 10.3389/fnbeh.2012.00037

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  • During texture scanning, high-frequency skin oscillations are elicited in the skin that can travel the entire length of the finger and as far away as the wrist.

    “During texture scanning, high-frequency skin oscillations are elicited in the skin (Manfredi et al., 2014) that can travel the entire length of the finger (Manfredi et al., 2012) and as far away as the wrist (Delhaye et al., 2012).”

    From Biomimetic approaches to bionic touch through a peripheral nerve interface (2015) · cites this paper as Delhaye et al., 2012

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Authors
Delhaye, B., Hayward, V., Lefèvre, P., & Thonnard, J.-L.
Affiliations
UCLouvain (BE)
Corresponding author
Thonnard, Jean-Louis
Venue
Frontiers in Behavioral Neuroscience
Published
2012
Volume
6
Pages
37-37
ISSN
1662-5153 (ISSN-L)
OpenAlex
W2066328921
Cited by
152
References
38
Citations by year
2026: 7 · 2025: 10 · 2024: 8 · 2023: 10 · 2022: 14 · 2021: 12 · 2020: 13 · 2019: 13 · 2018: 18 · 2017: 16 · 2016: 11 · 2015: 10 · 2014: 3 · 2013: 6 · 2012: 1
FWCI
3.28
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Frontiers in Behavioral Neuroscience (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • DIAL (Catholic University of Leuven) (submittedVersion, other-oa)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • European Space Agency
  • European Commission (EU-FP7, 228844)
  • Fonds De La Recherche Scientifique - FNRS
  • FP7 Ideas: European Research Council (247300)
  • FP7 Nanosciences, Nanotechnologies, Materials and new Production Technologies (228844)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Tactile and Sensory Interactions
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Motor Control and Adaptation
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
Keywords
texture perception, active touch, vibration transmission, somatosensory system, cutaneous afferents, scanning speed, periodic textures, microgeometry, tactile exploration

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