ArticleScientific reports2020
Spatiotemporal properties of whisker-evoked tactile responses in the mouse secondary somatosensory cortex.
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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20 citing papers in PubMed, 30 citations in OpenAlex.
- Article
- Modeling the influences of non-local connectomic projections on geometrically constrained cortical dynamics.PLoS computational biology · 2026Article
- Biased inter-columnar communication and short-term plasticity in mouse barrel cortex.bioRxiv : the preprint server for biology · 2026Article
- Pathway-Specific Ultrastructure of Thalamocortical Synapses in Mouse Somatosensory Area S2.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2025Article
- Subtype- and Layer-Specific Developmental Gradients of Postnatal GABAergic Neurons in the Rodent Barrel Cortex.Developmental neuroscience · 2025Article
- Whisker-Implanted Biomimetic Electronic Skin for Tactile Sensing and Blind Perception.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Cocaine self-administration attenuates brain glucose metabolism and functional connectivity in rats.PloS one · 2025Article
- Beyond Barrels: Diverse Thalamocortical Projection Motifs in the Mouse Ventral Posterior Complex.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2024Article
- The secondary somatosensory cortex gates mechanical and heat sensitivity.Nature communications · 2024Article
- Cortical circuitry mediating interareal touch signal amplification.Cell reports · 2023Article
- Exercise Modifies the Brain Metabolic Response to Chronic Cocaine Exposure Inhibiting the Stria Terminalis.Brain sciences · 2023Article
- Modelling novelty detection in the thalamocortical loop.PLoS computational biology · 2023Article
- Imaging the brain in action: a motorized optical rotary joint for wide field fibroscopy in freely moving animals.Neurophotonics · 2023Article
- Axonal connections between S1 barrel, M1, and S2 cortex in the newborn mouse.Frontiers in neuroanatomy · 2023Article
- Identification of a Developmental Switch in Information Transfer between Whisker S1 and S2 Cortex in Mice.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2022Article
- Are Grid-Like Representations a Component of All Perception and Cognition?Frontiers in neural circuits · 2022Article
- Nonlinear collision between propagating waves in mouse somatosensory cortex.Scientific reports · 2021Article
- Voltage-Sensitive Dye versus Intrinsic Signal Optical Imaging: Comparison of Tactile Responses in Primary and Secondary Somatosensory Cortices of Rats.Brain sciences · 2021Article
- Cortical Hub for Flavor Sensation in Rodents.Frontiers in systems neuroscience · 2021Review
- Anatomically and functionally distinct thalamocortical inputs to primary and secondary mouse whisker somatosensory cortices.Nature communications · 2020Article
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Authors and funding
4 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The representation of rodents' mystacial vibrissae within the primary somatosensory (S1) cortex has become a major model for studying the cortical processing of tactile sensory information. However, upon vibrissal stimulation, tactile information first reaches S1 but also, almost simultaneously, the secondary somatosensory cortex (S2). To further understand the role of S2 in the processing of whisker inputs, it is essential to characterize the spatio-temporal properties of whisker-evoked response dynamics in this area. Here we describe the topography of the whiskers representation in the mouse S2 with voltage sensitive dye imaging. Analysis of the spatial properties of the early S2 responses induced by stimulating individually 22 to 24 whiskers revealed that they are spatially ordered in a mirror symmetric map with respect to S1 responses. Evoked signals in S2 and S1 are of similar amplitude and closely correlated at the single trial level. They confirm a short delay (~3 ms) between S1 and S2 early activation. In both S1 and S2 caudo-dorsal whiskers induce stronger responses than rostro-ventral ones. Finally, analysis of early C2-evoked responses indicates a faster activation of neighboring whisker representations in S2 relative to S1, probably due to the reduced size of the whisker map in S2.
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