ArticleFrontiers in neural circuits2016
Push-Pull Receptive Field Organization and Synaptic Depression: Mechanisms for Reliably Encoding Naturalistic Stimuli in V1.
Article in Frontiers in neural circuits, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed.
- Task success in trained spiking neural network models coincides with emergence of cross-stimulus-modulated inhibition.Biological cybernetics · 2026Article
- A comprehensive data-driven model of cat primary visual cortex.PLoS computational biology · 2024Article
- Retinal input integration in excitatory and inhibitory neurons in the mouse superior colliculus in vivo.eLife · 2023Article
- Precise Spiking Motifs in Neurobiological and Neuromorphic Data.Brain sciences · 2022Review
- Sensory coding and contrast invariance emerge from the control of plastic inhibition over emergent selectivity.PLoS computational biology · 2021Article
- An Anatomically Constrained Model of V1 Simple Cells Predicts the Coexistence of Push-Pull and Broad Inhibition.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2021Article
- Feed-forward and noise-tolerant detection of feature homogeneity in spiking networks with a latency code.Biological cybernetics · 2021Article
- Refractory density model of cortical direction selectivity: Lagged-nonlagged, transient-sustained, and On-Off thalamic neuron-based mechanisms and intracortical amplification.PLoS computational biology · 2020Article
- Towards optogenetic vision restoration with high resolution.PLoS computational biology · 2020Article
- A Sparse Probabilistic Code Underlies the Limits of Behavioral Discrimination.Cerebral cortex (New York, N.Y. : 1991) · 2020Article
- Spike Timing Neural Model of Motion Perception and Decision Making.Frontiers in computational neuroscience · 2019Article
- Inhibition in Simple Cell Receptive Fields Is Broad and OFF-Subregion Biased.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2018Article
- Synaptic Excitation in Spinal Motoneurons Alternates with Synaptic Inhibition and Is Balanced by Outward Rectification during Rhythmic Motor Network Activity.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2017Article
- The HTM Spatial Pooler-A Neocortical Algorithm for Online Sparse Distributed Coding.Frontiers in computational neuroscience · 2017Article
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7 authors.
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Abstract
Neurons in the primary visual cortex are known for responding vigorously but with high variability to classical stimuli such as drifting bars or gratings. By contrast, natural scenes are encoded more efficiently by sparse and temporal precise spiking responses. We used a conductance-based model of the visual system in higher mammals to investigate how two specific features of the thalamo-cortical pathway, namely push-pull receptive field organization and fast synaptic depression, can contribute to this contextual reshaping of V1 responses. By comparing cortical dynamics evoked respectively by natural vs. artificial stimuli in a comprehensive parametric space analysis, we demonstrate that the reliability and sparseness of the spiking responses during natural vision is not a mere consequence of the increased bandwidth in the sensory input spectrum. Rather, it results from the combined impacts of fast synaptic depression and push-pull inhibition, the later acting for natural scenes as a form of "effective" feed-forward inhibition as demonstrated in other sensory systems. Thus, the combination of feedforward-like inhibition with fast thalamo-cortical synaptic depression by simple cells receiving a direct structured input from thalamus composes a generic computational mechanism for generating a sparse and reliable encoding of natural sensory events.
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