期刊
SCIENCE ADVANCES
卷 6, 期 38, 页码 -出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/sciadv.abb7189
关键词
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资金
- Equipe Fondation pour la Recherche Medicale (FRM) [DEQ20170336761]
- Paris-Saclay University (Lidex NeuroSaclay)
- International Human Frontier Science Program Organization [CDA-0064-2015]
- European Union's Horizon 2020 research and innovation program under the Marie Sklodowska-Curie grant [702726]
- Marie Curie Actions (MSCA) [702726] Funding Source: Marie Curie Actions (MSCA)
In rat barrel cortex, feature encoding schemes uncovered during broadband whisker stimulation are hard to reconcile with the simple stick-slip code observed during natural tactile behaviors, and this has hindered the development of a generalized computational framework. By designing broadband artificial stimuli to sample the inputs encoded under natural conditions, we resolve this disparity while markedly increasing the percentage of deep layer neurons found to encode whisker movements, as well as the diversity of these encoded features. Deep layer neurons encode two main types of events, sticks and sweeps, corresponding to high angular velocity bumps and large angular displacements with high velocity, respectively. Neurons can exclusively encode sticks or sweeps, or they can encode both, with or without direction selectivity. Beyond unifying coding theories from naturalistic and artificial stimulation studies, these findings delineate a simple and generalizable set of whisker movement features that can support a range of perceptual processes.
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