Anatomical reconstruction and functional imaging reveal an ordered array of skylight polarization detectors in Drosophila

PT Weir, MJ Henze, C Bleul… - Journal of …, 2016 - Soc Neuroscience
Many insects exploit skylight polarization as a compass cue for orientation and navigation. In
the fruit fly, Drosophila melanogaster, photoreceptors R7 and R8 in the dorsal rim area …

Synaptic targets of photoreceptors specialized to detect color and skylight polarization in Drosophila

E Kind, KD Longden, A Nern, A Zhao, G Sancer… - Elife, 2021 - elifesciences.org
Color and polarization provide complementary information about the world and are detected
by specialized photoreceptors. However, the downstream neural circuits that process these …

Modality-specific circuits for skylight orientation in the fly visual system

G Sancer, E Kind, H Plazaola-Sasieta, J Balke, T Pham… - Current Biology, 2019 - cell.com
In the fly optic lobe,∼ 800 highly stereotypical columnar microcircuits are arranged
retinotopically to process visual information. Differences in cellular composition and synaptic …

Flying Drosophila orient to sky polarization

PT Weir, MH Dickinson - Current biology, 2012 - cell.com
Insects maintain a constant bearing across a wide range of spatial scales. Monarch
butterflies and locusts traverse continents [1, 2], and foraging bees and ants travel hundreds …

A visual pathway for skylight polarization processing in Drosophila

BJ Hardcastle, JJ Omoto, P Kandimalla, BCM Nguyen… - Elife, 2021 - elifesciences.org
Many insects use patterns of polarized light in the sky to orient and navigate. Here, we
functionally characterize neural circuitry in the fruit fly, Drosophila melanogaster, that …

Cellular and synaptic adaptations of neural circuits processing skylight polarization in the fly

G Sancer, E Kind, J Uhlhorn, J Volkmann… - Journal of Comparative …, 2020 - Springer
Specialized ommatidia harboring polarization-sensitive photoreceptors exist in the 'dorsal
rim area'(DRA) of virtually all insects. Although downstream elements have been described …

Central neural coding of sky polarization in insects

U Homberg, S Heinze, K Pfeiffer… - … of the Royal …, 2011 - royalsocietypublishing.org
Many animals rely on a sun compass for spatial orientation and long-range navigation. In
addition to the Sun, insects also exploit the polarization pattern and chromatic gradient of the …

Insect responses to linearly polarized reflections: orphan behaviors without neural circuits

T Heinloth, J Uhlhorn, MF Wernet - Frontiers in Cellular Neuroscience, 2018 - frontiersin.org
The e-vector orientation of linearly polarized light represents an important visual stimulus for
many insects. Especially the detection of polarized skylight by many navigating insect …

Polarized skylight navigation in insects: model and electrophysiology of e-vector coding by neurons in the central complex

M Sakura, D Lambrinos… - Journal of …, 2008 - journals.physiology.org
Many insects exploit skylight polarization for visual compass orientation or course control. As
found in crickets, the peripheral visual system (optic lobe) contains three types of …

Genetic dissection reveals two separate retinal substrates for polarization vision in Drosophila

MF Wernet, MM Velez, DA Clark… - Current Biology, 2012 - cell.com
Background Linearly polarized light originates from atmospheric scattering or surface
reflections and is perceived by insects, spiders, cephalopods, crustaceans, and some …