ArticleJournal of neurophysiology2012
Impact of neural noise on a sensory-motor pathway signaling impending collision.
Article in Journal of neurophysiology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Enhanced LGMD Model with Adaptive Probabilistic Regulation for Compound Interference.Biomimetics (Basel, Switzerland) · 2026Article
- To jump or not to jump: comparing effects of phenotypic plasticity on the visual responses and escape behavior of locusts and grasshoppers.Journal of neurophysiology · 2026Article
- Predictions of bimanual self-touch determine the temporal tuning of somatosensory perception.iScience · 2025Article
- Contrast polarity-specific mapping improves efficiency of neuronal computation for collision detection.eLife · 2022Article
- Predicting individual neuron responses with anatomically constrained task optimization.Current biology : CB · 2021Article
- A model of feedforward, global, and lateral inhibition in the locust visual system predicts responses to looming stimuli.Biological cybernetics · 2021Article
- Active membrane conductances and morphology of a collision detection neuron broaden its impedance profile and improve discrimination of input synchrony.Journal of neurophysiology · 2019Article
- M current regulates firing mode and spike reliability in a collision-detecting neuron.Journal of neurophysiology · 2018Article
- Dendritic Pooling of Noisy Threshold Processes Can Explain Many Properties of a Collision-Sensitive Visual Neuron.PLoS computational biology · 2015Article
- Burst Firing in a Motion-Sensitive Neural Pathway Correlates with Expansion Properties of Looming Objects that Evoke Avoidance Behaviors.Frontiers in integrative neuroscience · 2015Article
- Representation of Naturalistic Image Structure in the Primate Visual Cortex.Cold Spring Harbor symposia on quantitative biology · 2014Review
- Logarithmic compression of sensory signals within the dendritic tree of a collision-sensitive neuron.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2012Article
Corrections and comments
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Authors and funding
2 authors.
Funding
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Abstract
Noise is a major concern in circuits processing electrical signals, including neural circuits. There are many factors that influence how noise propagates through neural circuits, and there are few systems in which noise levels have been studied throughout a processing pathway. We recorded intracellularly from multiple stages of a sensory-motor pathway in the locust that detects approaching objects. We found that responses are more variable and that signal-to-noise ratios (SNRs) are lower further from the sensory periphery. SNRs remain low even with the use of stimuli for which the pathway is most selective and for which the neuron representing its final sensory level must integrate many synaptic inputs. Modeling of this neuron shows that variability in the strength of individual synaptic inputs within a large population has little effect on the variability of the spiking output. In contrast, jitter in the timing of individual inputs and spontaneous variability is important for shaping the responses to preferred stimuli. These results suggest that neural noise is inherent to the processing of visual stimuli signaling impending collision and contributes to shaping neural responses along this sensory-motor pathway.
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