ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2014
A neural code for looming and receding motion is distributed over a population of electrosensory ON and OFF contrast cells.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2014. 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, 34 citations in OpenAlex.
- Distinct neuron phenotypes may serve object feature sensing in the electrosensory lobe of Gymnotus omarorum.The Journal of experimental biology · 2021Article
- Article
- Neuronal On- and Off-type heterogeneities improve population coding of envelope signals in the presence of stimulus-induced noise.Scientific reports · 2020Article
- Novel Functions of Feedback in Electrosensory Processing.Frontiers in integrative neuroscience · 2019Article
- Article
- Pathway-Specific Asymmetries between ON and OFF Visual Signals.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2018Article
- M current regulates firing mode and spike reliability in a collision-detecting neuron.Journal of neurophysiology · 2018Article
- Electrosensory neural responses to natural electro-communication stimuli are distributed along a continuum.PloS one · 2017Article
- Adaptation to second order stimulus features by electrosensory neurons causes ambiguity.Scientific reports · 2016Article
- Balanced ionotropic receptor dynamics support signal estimation via voltage-dependent membrane noise.Journal of neurophysiology · 2016Article
- Contrast coding in the electrosensory system: parallels with visual computation.Nature reviews. Neuroscience · 2015Review
- The neural dynamics of sensory focus.Nature communications · 2015Article
- The central nervous system transcriptome of the weakly electric brown ghost knifefish (Apteronotus leptorhynchus): de novo assembly, annotation, and proteomics validation.BMC genomics · 2015Article
- Article
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Authors and funding
3 authors at 1 institution in 1 country.
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Abstract
Object saliency is based on the relative local-to-background contrast in the physical signals that underlie perceptual experience. As such, contrast-detecting neurons (ON/OFF cells) are found in many sensory systems, responding respectively to increased or decreased intensity within their receptive field centers. This differential sensitivity suggests that ON and OFF cells initiate segregated streams of information for positive and negative sensory contrast. However, while recording in vivo from the ON and OFF cells of Apteronotus leptorhynchus, we report that the reversal of stimulus motion triggers paradoxical responses to electrosensory contrast. By considering the instantaneous firing rates of both ON and OFF cell populations, a bidirectionally symmetric representation of motion is achieved for both positive and negative contrast stimuli. Whereas the firing rates of the individual contrast detecting neurons convey scalar information, such as object distance, it is their sequential activation over longer timescales that track changes in the direction of movement.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.