ArticlePLoS computational biology2017
Differential receptive field organizations give rise to nearly identical neural correlations across three parallel sensory maps in weakly electric fish.
Article in PLoS computational biology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed.
- Nonresponsive Neurons Improve Population Coding of Object Location.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2025Article
- Receptive field sizes and neuronal encoding bandwidth are constrained by axonal conduction delays.PLoS computational biology · 2023Article
- Article
- Coding of object location by heterogeneous neural populations with spatially dependent correlations in weakly electric fish.PLoS computational biology · 2023Article
- Efficient information coding and degeneracy in the nervous system.Current opinion in neurobiology · 2022Review
- Synergistic population coding of natural communication stimuli by hindbrain electrosensory neurons.Scientific reports · 2021Article
- Population Coding of Natural Electrosensory Stimuli by Midbrain Neurons.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2021Article
- Neuronal On- and Off-type heterogeneities improve population coding of envelope signals in the presence of stimulus-induced noise.Scientific reports · 2020Article
- Neural Synchrony Gives Rise to Amplitude- and Duration-Invariant Encoding Consistent With Perception of Natural Communication Stimuli.Frontiers in neuroscience · 2020Article
- Descending pathways mediate adaptive optimized coding of natural stimuli in weakly electric fish.Science advances · 2019Article
- Differences in Sodium Channel Densities in the Apical Dendrites of Pyramidal Cells of the Electrosensory Lateral Line Lobe.Frontiers in neural circuits · 2019Article
- Novel Functions of Feedback in Electrosensory Processing.Frontiers in integrative neuroscience · 2019Article
- Descending pathways generate perception of and neural responses to weak sensory input.PLoS biology · 2018Article
- Population Coding and Correlated Variability in Electrosensory Pathways.Frontiers in integrative neuroscience · 2018Review
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2 authors.
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Abstract
Understanding how neural populations encode sensory information thereby leading to perception and behavior (i.e., the neural code) remains an important problem in neuroscience. When investigating the neural code, one must take into account the fact that neural activities are not independent but are actually correlated with one another. Such correlations are seen ubiquitously and have a strong impact on neural coding. Here we investigated how differences in the antagonistic center-surround receptive field (RF) organization across three parallel sensory maps influence correlations between the activities of electrosensory pyramidal neurons. Using a model based on known anatomical differences in receptive field center size and overlap, we initially predicted large differences in correlated activity across the maps. However, in vivo electrophysiological recordings showed that, contrary to modeling predictions, electrosensory pyramidal neurons across all three segments displayed nearly identical correlations. To explain this surprising result, we incorporated the effects of RF surround in our model. By systematically varying both the RF surround gain and size relative to that of the RF center, we found that multiple RF structures gave rise to similar levels of correlation. In particular, incorporating known physiological differences in RF structure between the three maps in our model gave rise to similar levels of correlation. Our results show that RF center overlap alone does not determine correlations which has important implications for understanding how RF structure influences correlated neural activity.
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