ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2019
Functional Architecture and Encoding of Tactile Sensorimotor Behavior in Rat Posterior Parietal Cortex.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 26 citations in OpenAlex.
- From Multisensory Integration to Decision Execution: Computational Roles of the Posterior Parietal Cortex in Mice.Neuroscience bulletin · 2026Article
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- Cortical circuits for cross-modal generalization.Nature communications · 2025Article
- Article
- The Thalamocortical Mechanism Underlying the Generation and Regulation of the Auditory Steady-State Responses in Awake Mice.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2024Article
- Brain-wide mapping of inputs to the mouse lateral posterior (LP/Pulvinar) thalamus-anterior cingulate cortex network.The Journal of comparative neurology · 2022Article
- Of mice and monkeys: Somatosensory processing in two prominent animal models.Progress in neurobiology · 2021Review
- Article
- Sense and Action across the Layers of the Rat Posterior Parietal Cortex.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2020Article
- A Tactile Virtual Reality for the Study of Active Somatosensation.Frontiers in integrative neuroscience · 2020Article
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Authors and funding
8 authors at 3 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The posterior parietal cortex (PPC) in rodents is reciprocally connected to primary somatosensory and vibrissal motor cortices. The PPC neuronal circuitry could thus encode and potentially integrate incoming somatosensory information and whisker motor output. However, the information encoded across PPC layers during refined sensorimotor behavior remains largely unknown. To uncover the sensorimotor features represented in PPC during voluntary whisking and object touch, we performed loose-patch single-unit recordings and extracellular recordings of ensemble activity, covering all layers of PPC in anesthetized and awake, behaving male rats. First, using single-cell receptive field mapping, we revealed the presence of coarse somatotopy along the mediolateral axis in PPC. Second, we found that spiking activity was modulated during exploratory whisking in layers 2-4 and layer 6, but not in layer 5 of awake, behaving rats. Population spiking activity preceded actual movement, and whisker trajectory endpoints could be decoded by population spiking, suggesting that PPC is involved in movement planning. Finally, population spiking activity further increased in response to active whisker touch but only in PPC layers 2-4. Thus, we find layer-specific processing, which emphasizes the computational role of PPC during whisker sensorimotor behavior.
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Registered trials
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