ReviewJournal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology2017
The magnetic map sense and its use in fine-tuning the migration programme of birds.
Review in Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
8 citing papers in PubMed.
- A magnetic pulse does not affect free-flight navigation behaviour of a medium-distance songbird migrant in spring.The Journal of experimental biology · 2022Article
- No apparent effect of a magnetic pulse on free-flight behaviour in northern wheatears (Journal of the Royal Society, Interface · 2022Article
- Magnetic maps in animal navigation.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2022Review
- In Search for the Avian Trigeminal Magnetic Sensor: Distribution of Peripheral and Central Terminals of Ophthalmic Sensory Neurons in the Night-Migratory Eurasian Blackcap (Frontiers in neuroanatomy · 2022Article
- Simulation experiment to test strategies of geomagnetic navigation during long-distance bird migration.Movement ecology · 2021Article
- Magnetic map in nonanadromous Atlantic salmon.Proceedings of the National Academy of Sciences of the United States of America · 2018Article
- Lidocaine is a nocebo treatment for trigeminally mediated magnetic orientation in birds.Journal of the Royal Society, Interface · 2018Article
- Magnetic activation in the brain of the migratory northern wheatear (Oenanthe oenanthe).Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2017Article
Corrections and comments
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The Earth's magnetic field is one of several natural cues, which migratory birds can use to derive directional ("compass") information for orientation on their biannual migratory journeys. Moreover, magnetic field effects on prominent aspects of the migratory programme of birds, such as migratory restlessness behaviour, fuel deposition and directional orientation, implicate that geomagnetic information can also be used to derive positional ("map") information. While the magnetic "compass" in migratory birds is likely to be based on radical pair-forming molecules embedded in their visual system, the sensory correlates underlying a magnetic "map" sense currently remain elusive. Behavioural, physiological and neurobiological findings indicate that the sensor is most likely innervated by the ophthalmic branch of the trigeminal nerve and based on magnetic iron particles. Information from this unknown sensor is neither necessary nor sufficient for a functional magnetic compass, but instead could contribute important components of a multifactorial "map" for global positioning. Positional information could allow migratory birds to make vitally important dynamic adaptations of their migratory programme at any relevant point during their journeys.
Indexed as
Identifiers
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Registered trials
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.