ArticleNeuron2008
Distinct mechanisms for top-down control of neural gain and sensitivity in the owl optic tectum.
Article in Neuron, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers.
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38 citing papers in PubMed, 67 citations in OpenAlex.
- Neuronal correlates of endogenous selective attention in the endbrain of crows.Communications biology · 2025Article
- Auditory Competition and Coding of Relative Stimulus Strength across Midbrain Space Maps of Barn Owls.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2024Article
- Tactile processing in mouse cortex depends on action context.Cell reports · 2024Article
- Trichotomy revisited: A monolithic theory of attentional control.Vision research · 2024Article
- Single trial Bayesian inference by population vector readout in the barn owl's sound localization system.PloS one · 2024Article
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- Representational coding of overt and covert orienting of visuospatial attention in the frontoparietal network.NeuroImage · 2022Article
- Autonomous Flying With Neuromorphic Sensing.Frontiers in neuroscience · 2021Article
- Evolution of neural processing for visual perception in vertebrates.The Journal of comparative neurology · 2020Review
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- Behavioral and neuronal study of inhibition of return in barn owls.Scientific reports · 2020Article
- Neural Circuits That Mediate Selective Attention: A Comparative Perspective.Trends in neurosciences · 2018Review
- Selective attention without a neocortex.Cortex; a journal devoted to the study of the nervous system and behavior · 2018Review
- Spatially precise visual gain control mediated by a cholinergic circuit in the midbrain attention network.Nature communications · 2016Article
- Article
- Hunting increases phosphorylation of calcium/calmodulin-dependent protein kinase type II in adult barn owls.Neural plasticity · 2015Article
- Resonant Cholinergic Dynamics in Cognitive and Motor Decision-Making: Attention, Category Learning, and Choice in Neocortex, Superior Colliculus, and Optic Tectum.Frontiers in neuroscience · 2015Article
- Descending control of neural bias and selectivity in a spatial attention network: rules and mechanisms.Neuron · 2014Article
- Article
- Response normalization in the superficial layers of the superior colliculus as a possible mechanism for saccadic averaging.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2014Article
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2 authors at 1 institution in 1 country.
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Abstract
We demonstrate that distinct mechanisms of top-down control regulate, respectively, the sensitivity and gain of sensory responses in the owl's optic tectum (OT). Electrical microstimulation in the forebrain gaze control area, the arcopallial gaze field (AGF), results in a space-specific regulation of sensory responses in the OT. AGF microstimulation increases the responsiveness of OT neurons representing stimuli at the same location as that represented at the AGF site. We show that the mechanism that underlies this effect operates focally to enhance neuronal sensitivity and improve tuning consistency and spatial resolution. At the same time, AGF microstimulation decreases the responsiveness of OT neurons representing stimuli at all other locations. The mechanism that underlies this effect operates globally to modulate neuronal gain. The coordinated action of these different mechanisms can account for many of the reported effects of spatial attention on neural responses in monkeys and on behavioral performance in humans.
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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.