ArticleJournal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology2020
Cellular and synaptic adaptations of neural circuits processing skylight polarization in the fly.
Article in Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 16 citations in OpenAlex.
- Sensory receptor expansion and neural accommodation in butterfly color vision.Science advances · 2026Article
- Sensory receptor expansion and neural accommodation in butterfly color vision.bioRxiv : the preprint server for biology · 2025Article
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- Connectomic reconstruction predicts the functional organization of visual inputs to the navigation center of thebioRxiv : the preprint server for biology · 2023Article
- Behavioral responses of free-flying Drosophila melanogaster to shiny, reflecting surfaces.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2023Article
- Article
- Synaptic targets of photoreceptors specialized to detect color and skylight polarization ineLife · 2021Article
- Parallel Visual Pathways with Topographic versus Nontopographic Organization Connect theiScience · 2020Article
- Visual circuits in arthropod brains.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2020Article
Corrections and comments
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Authors and funding
8 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Specialized ommatidia harboring polarization-sensitive photoreceptors exist in the 'dorsal rim area' (DRA) of virtually all insects. Although downstream elements have been described both anatomically and physiologically throughout the optic lobes and the central brain of different species, little is known about their cellular and synaptic adaptations and how these shape their functional role in polarization vision. We have previously shown that in the DRA of Drosophila melanogaster, two distinct types of modality-specific 'distal medulla' cell types (Dm-DRA1 and Dm-DRA2) are post-synaptic to long visual fiber photoreceptors R7 and R8, respectively. Here we describe additional neuronal elements in the medulla neuropil that manifest modality-specific differences in the DRA region, including DRA-specific neuronal morphology, as well as differences in the structure of pre- or post-synaptic membranes. Furthermore, we show that certain cell types (medulla tangential cells and octopaminergic neuromodulatory cells) specifically avoid contacts with polarization-sensitive photoreceptors. Finally, while certain transmedullary cells are specifically absent from DRA medulla columns, other subtypes show specific wiring differences while still connecting the DRA to the lobula complex, as has previously been described in larger insects. This hints towards a complex circuit architecture with more than one pathway connecting polarization-sensitive DRA photoreceptors with the central brain.
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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.