ArticleCell reports2022
Neural readout of a latency code in the active electrosensory system.
Article in Cell reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Central coordination of electromotor and locomotor pathways in the weakly electric fish Brevimyrus niger.Research square · 2026Article
- Article
- An end-to-end model of active electrosensation.Current biology : CB · 2025Article
- Enhanced Release Probability without Changes in Synaptic Delay during Analogue-Digital Facilitation.Cells · 2024Article
- An internal model for canceling self-generated sensory input in freely behaving electric fish.Neuron · 2023Article
- The effect of urethane and MS-222 anesthesia on the electric organ discharge of the weakly electric fish Apteronotus leptorhynchus.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2023Article
- A Dense Conformal Electrode Array for High Spatial Resolution Stimulation of Electrosensory Systems.Advanced materials technologies · 2023Article
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Authors and funding
2 authors.
Funding
Abstract
The latency of spikes relative to a stimulus conveys sensory information across modalities. However, in most cases, it remains unclear whether and how such latency codes are utilized by postsynaptic neurons. In the active electrosensory system of mormyrid fish, a latency code for stimulus amplitude in electroreceptor afferent nerve fibers (EAs) is hypothesized to be read out by a central reference provided by motor corollary discharge (CD). Here, we demonstrate that CD enhances sensory responses in postsynaptic granular cells of the electrosensory lobe but is not required for reading out EA input. Instead, diverse latency and spike count tuning across the EA population give rise to graded information about stimulus amplitude that can be read out by standard integration of converging excitatory synaptic inputs. Inhibitory control over the temporal window of integration renders two granular cell subclasses differentially sensitive to information derived from relative spike latency versus spike count.
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Registered trials
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