ArticleScientific reports2016
Adaptation to second order stimulus features by electrosensory neurons causes ambiguity.
Article in Scientific reports, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 27 citations in OpenAlex.
- Semantic Predictability Facilitates Comprehension of Degraded Speech in a Graded Manner.Frontiers in psychology · 2021Article
- Descending pathways mediate adaptive optimized coding of natural stimuli in weakly electric fish.Science advances · 2019Article
- Article
- Adaptive coding for dynamic sensory inference.eLife · 2018Article
- Population Coding and Correlated Variability in Electrosensory Pathways.Frontiers in integrative neuroscience · 2018Review
- SK channel subtypes enable parallel optimized coding of behaviorally relevant stimulus attributes: A review.Channels (Austin, Tex.) · 2017Review
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- Article
- Electrosensory neural responses to natural electro-communication stimuli are distributed along a continuum.PloS one · 2017Article
- Electrosensory processing in Apteronotus albifrons: implications for general and specific neural coding strategies across wave-type weakly electric fish species.Journal of neurophysiology · 2016Article
- Optimized Parallel Coding of Second-Order Stimulus Features by Heterogeneous Neural Populations.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2016Article
- Burst Firing in the Electrosensory System of Gymnotiform Weakly Electric Fish: Mechanisms and Functional Roles.Frontiers in computational neuroscience · 2016Review
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
Abstract
Understanding the coding strategies used to process sensory input remains a central problem in neuroscience. Growing evidence suggests that sensory systems process natural stimuli efficiently by ensuring a close match between neural tuning and stimulus statistics through adaptation. However, adaptation causes ambiguity as the same response can be elicited by different stimuli. The mechanisms by which the brain resolves ambiguity remain poorly understood. Here we investigated adaptation in electrosensory pyramidal neurons within different parallel maps in the weakly electric fish Apteronotus leptorhynchus. In response to step increases in stimulus variance, we found that pyramidal neurons within the lateral segment (LS) displayed strong scale invariant adaptation whereas those within the centromedial segment (CMS) instead displayed weaker degrees of scale invariant adaptation. Signal detection analysis revealed that strong adaptation in LS neurons significantly reduced stimulus discriminability. In contrast, weaker adaptation displayed by CMS neurons led to significantly lesser impairment of discriminability. Thus, while LS neurons display adaptation that is matched to natural scene statistics, thereby optimizing information transmission, CMS neurons instead display weaker adaptation and would instead provide information about the context in which these statistics occur. We propose that such a scheme is necessary for decoding by higher brain structures.
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