ArticleScientific reports2022
The effect of progressive image scrambling on neuronal responses at three stations of the pigeon tectofugal pathway.
Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 3 citations in OpenAlex.
- Single neuron responses in NCL, MVL, and Wulst during the observation of videos of conspecifics support population feature coding.Frontiers in behavioral neuroscience · 2026Article
- The Pigeon as a Model of Complex Visual Processing and Category Learning.Neuroscience insights · 2024Article
- Visual categories and concepts in the avian brain.Animal cognition · 2023Review
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Authors and funding
3 authors at 2 institutions in 2 countries.
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Abstract
The progressive image scrambling procedure is an effective way of determining sensitivity to image features at different stages of the visual system, but it hasn't yet been used to evaluate neuronal responses in birds. We determined the effect of progressively scrambling images of objects on the population responses of anterior entopallium (ENTO), mesopallium ventrolaterale (MVL), and posterior nidopallium intermediate pars lateralis (NIL) in pigeons. We found that MVL responses were more sensitive to both the intact objects and the highly scrambled images, whereas ENTO showed no clear preference for the different stimuli. In contrast, the NIL population response strongly preferred the original images over the scrambled images. These findings suggest that the anterior tectofugal pathway may process local shape in a hierarchical manner, and the posterior tectofugal pathway may process global shape of greater complexity. Another possibility is that the differential responses between ENTO/MVL and NIL may reflect an anterior-posterior map of varying sensitivity to spatial frequency.
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