ArticlePloS one2012
Responses of tectal neurons to contrasting stimuli: an electrophysiological study in the barn owl.
Article in PloS one, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 22 citations in OpenAlex.
- Noise correlations and neuronal diversity may limit the utility of winner-take-all readout in a pop out visual search task.PLoS computational biology · 2025Article
- Preference-independent saliency map in the mouse superior colliculus.Communications biology · 2025Article
- Surround Modulation Properties of Tectal Neurons in Pigeons Characterized by Moving and Flashed Stimuli.Animals : an open access journal from MDPI · 2022Article
- Behavioral Evidence and Neural Correlates of Perceptual Grouping by Motion in the Barn Owl.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2018Article
- Article
- Visual Cortex Limits Pop-Out in the Superior Colliculus of Awake Mice.Cerebral cortex (New York, N.Y. : 1991) · 2017Article
- Responses to Pop-Out Stimuli in the Barn Owl's Optic Tectum Can Emerge through Stimulus-Specific Adaptation.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2016Article
- A neural code for looming and receding motion is distributed over a population of electrosensory ON and OFF contrast cells.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2014Article
- Figure-ground discrimination behavior in Drosophila. II. Visual influences on head movement behavior.The Journal of experimental biology · 2014Article
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Authors and funding
3 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The saliency of visual objects is based on the center to background contrast. Particularly objects differing in one feature from the background may be perceived as more salient. It is not clear to what extent this so called "pop-out" effect observed in humans and primates governs saliency perception in non-primates as well. In this study we searched for neural-correlates of pop-out perception in neurons located in the optic tectum of the barn owl. We measured the responses of tectal neurons to stimuli appearing within the visual receptive field, embedded in a large array of additional stimuli (the background). Responses were compared between contrasting and uniform conditions. In a contrasting condition the center was different from the background while in the uniform condition it was identical to the background. Most tectal neurons responded better to stimuli in the contrsating condition compared to the uniform condition when the contrast between center and background was the direction of motion but not when it was the orientation of a bar. Tectal neurons also preferred contrasting over uniform stimuli when the center was looming and the background receding but not when the center was receding and the background looming. Therefore, our results do not support the hypothesis that tectal neurons are sensitive to pop-out per-se. The specific sensitivity to the motion contrasting stimulus is consistent with the idea that object motion and not large field motion (e.g., self-induced motion) is coded in the neural responses of tectal neurons.
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