ArticleJournal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology2023
The influence of stimulus history on directional coding in the monarch butterfly brain.
Article in Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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Who cites it
6 citing papers in PubMed, 12 citations in OpenAlex.
- Detection and localization of conspecifics in ghost knifefish are influenced by the relationship between the spatial organization of receptors and signals.Frontiers in computational neuroscience · 2026Article
- Insect Flight: State of the Field and Future Directions.Integrative and comparative biology · 2024Article
- Evolution of neural circuitry and cognition.Biology letters · 2024Review
- Monarch butterflies memorize the spatial location of a food source.Proceedings. Biological sciences · 2023Article
- Neural representation of goal direction in the monarch butterfly brain.Nature communications · 2023Article
- Unraveling the neural basis of spatial orientation in arthropods.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2023Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The central complex is a brain region in the insect brain that houses a neural network specialized to encode directional information. Directional coding has traditionally been investigated with compass cues that revolve in full rotations and at constant angular velocities around the insect's head. However, these stimulus conditions do not fully simulate an insect's sensory perception of compass cues during navigation. In nature, an insect flight is characterized by abrupt changes in moving direction as well as constant changes in velocity. The influence of such varying cue dynamics on compass coding remains unclear. We performed long-term tetrode recordings from the brain of monarch butterflies to study how central complex neurons respond to different stimulus velocities and directions. As these butterflies derive directional information from the sun during migration, we measured the neural response to a virtual sun. The virtual sun was either presented as a spot that appeared at random angular positions or was rotated around the butterfly at different angular velocities and directions. By specifically manipulating the stimulus velocity and trajectory, we dissociated the influence of angular velocity and direction on compass coding. While the angular velocity substantially affected the tuning directedness, the stimulus trajectory influenced the shape of the angular tuning curve. Taken together, our results suggest that the central complex flexibly adjusts its directional coding to the current stimulus dynamics ensuring a precise compass even under highly demanding conditions such as during rapid flight maneuvers.
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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.