Cited by 252Tactile and Sensory InteractionsMultisensory perception and integrationNeural dynamics and brain function

Neural coding during active somatosensation revealed using illusory touch

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O'Connor, Daniel H, Hires, S Andrew, Guo, Zengcai V, Li, Nuo, Yu, Jianing, Sun, Qian-Quan, Huber, Daniel, Svoboda, Karel·2013·Nature Neuroscience

Abstract

Active sensation requires the convergence of external stimuli with representations of body movements. We used mouse behavior, electrophysiology and optogenetics to dissect the temporal interactions among whisker movement, neural activity and sensation of touch. We photostimulated layer 4 activity in single barrels in a closed loop with whisking. Mimicking touch-related neural activity caused illusory perception of an object at a particular location, but scrambling the timing of the spikes over one whisking cycle (tens of milliseconds) did not abolish the illusion, indicating that knowledge of instantaneous whisker position is unnecessary for discriminating object locations. The illusions were induced only during bouts of directed whisking, when mice expected touch, and in the relevant barrel. Reducing activity biased behavior, consistent with a spike count code for object detection at a particular location. Our results show that mice integrate coding of touch with movement over timescales of a whisking bout to produce perception of active touch.

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  • In rodents, ICMS to barrel cortex using micro-wires generated artificial tactile percepts that allowed navigation around a virtual target on screen.

    “In one study on rodents, the implementation of a biomimetic approach was tested by applying ICMS to the barrel cortex using micro-wires for the generation of artificial tactile percepts to navigate around a virtual target on the screen (Venkatraman and Carmena, 2011; O'Connor et al., 2013).”

    From Selectivity and Longevity of Peripheral-Nerve and Machine Interfaces: A Review. (2017) · cites this paper as O'Connor et al., 2013

    The Results section reports illusory touch in mice when layer 4 barrel-cortex neurons were photostimulated as a whisker crossed a virtual pole. It does not support the attributed method or setting: the study used optogenetic light stimulation, not ICMS through micro-wires, and its virtual pole was a laser beam beside the whisker, not a target on a screen. (LLM, conf=0.88)

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Authors
O'Connor, D. H., Hires, S. A., Guo, Z. V., Li, N., Yu, J., Sun, Q.-Q., Huber, D., & Svoboda, K.
Affiliations
Howard Hughes Medical Institute (US)
Corresponding author
Svoboda, Karel
Venue
Nature Neuroscience
Published
2013-06-02
Volume
16
Issue
7
Pages
958-965
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W1987864047
Cited by
252
References
59
Citations by year
2026: 7 · 2025: 15 · 2024: 10 · 2023: 13 · 2022: 14 · 2021: 16 · 2020: 19 · 2019: 44 · 2018: 17 · 2017: 23 · 2016: 18 · 2015: 31 · 2014: 18 · 2013: 7
FWCI
13.53
Type
journal article
Language
en
Open access
Locations
  • Nature Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • Archive ouverte UNIGE (University of Geneva) (publishedVersion, other-oa)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Archive ouverte UNIGE (University of Geneva) (submittedVersion, cc-by)
Funders
Howard Hughes Medical Institute
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Tactile and Sensory Interactions
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Multisensory perception and integration
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
Keywords
active touch, whisker movement, somatosensory perception, barrel cortex, layer 4, spike timing, object localization, sensorimotor integration, perceptual illusions
MeSH terms
Channelrhodopsins, Homeobox Protein SIX3, Action Potentials, Afferent Pathways, Animals, Discrimination, Psychological, DNA-Binding Proteins, Eye Proteins, Illusions, Mice, Inbred C57BL, Mice, Transgenic, Nerve Tissue Proteins, Neurons, Physical Stimulation, Reaction Time, Somatosensory Cortex, Transcription Factors, Vibrissae, Video Recording, Homeodomain Proteins, Vesicular Inhibitory Amino Acid Transport Proteins, Mice, Epithelial Sodium Channels, GABAergic Neurons, Optogenetics

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