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Myths in Magnetosensation

2022 · Unclear · Insufficient evidence

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UnclearInsufficient evidencePaper 789

This manuscript critically analyzes six common assertions about magnetoreception (including claims about magnetite, cryptochrome, MagR, and electromagnetic induction) and presents counter-arguments intended to stimulate debate and encourage well-controlled ex…

Study snapshot

Publicationmanual · 2022
Study typereview
Reported directionUnclear
Evidence ratingInsufficient

Abstract

Myths in Magnetosensation Simon Nimpf, David A. Keays. Myths in magnetosensation. 25(6); 104454. May 23, 2022. doi: 10.1016/j.isci.2022.104454. Summary The ability to detect magnetic fields is a sensory modality that is used by many animals to navigate. While first postulated in the 1800s, for decades, it was considered a biological myth. A series of elegant behavioral experiments in the 1960s and 1970s showed conclusively that the sense is real; however, the underlying mechanism(s) remained unresolved. Consequently, this has given rise to a series of beliefs that are critically analyzed in this manuscript. We address six assertions: (1) Magnetoreception does not exist; (2) It has to be magnetite; (3) Birds have a conserved six loci magnetic sense system in their upper beak; (4) It has to be cryptochrome; (5) MagR is a protein biocompass; and (6) The electromagnetic induction hypothesis is dead. In advancing counter-arguments for these beliefs, we hope to stimulate debate, new ideas, and the design of well- controlled experiments that can aid our understanding of this fascinating biological phenomenon. Open access paper: cell.com

Machine Enhanced Logic

AI evidence extraction

Structured fields below were generated from the paper’s abstract and metadata to make the evidence easier to inspect. Automated extraction may be incomplete or incorrect; verify important details against the original paper.

Study typereview
Effect directionunclear
Populationanimals (including birds)
Sample sizeNot supplied
ExposureNot supplied
Evidence strengthInsufficientConfidence: 74% · Peer reviewed: unknown

Main findings

This manuscript critically analyzes six common assertions about magnetoreception (including claims about magnetite, cryptochrome, MagR, and electromagnetic induction) and presents counter-arguments intended to stimulate debate and encourage well-controlled experiments.

Outcomes measured

  • magnetoreception/magnetosensation mechanisms
  • evaluation of assertions about magnetite, cryptochrome, MagR, electromagnetic induction hypothesis

Limitations

  • Narrative/critical analysis rather than primary experimental data (as described in the summary)
  • No exposure parameters (e.g., field strength, frequency, duration) reported in the abstract
View raw extracted JSON
{
  "study_type": "review",
  "exposure": {
    "band": null,
    "source": "magnetic fields (magnetosensation/magnetoreception)",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": null
  },
  "population": "animals (including birds)",
  "sample_size": null,
  "outcomes": [
    "magnetoreception/magnetosensation mechanisms",
    "evaluation of assertions about magnetite, cryptochrome, MagR, electromagnetic induction hypothesis"
  ],
  "main_findings": "This manuscript critically analyzes six common assertions about magnetoreception (including claims about magnetite, cryptochrome, MagR, and electromagnetic induction) and presents counter-arguments intended to stimulate debate and encourage well-controlled experiments.",
  "effect_direction": "unclear",
  "limitations": [
    "Narrative/critical analysis rather than primary experimental data (as described in the summary)",
    "No exposure parameters (e.g., field strength, frequency, duration) reported in the abstract"
  ],
  "evidence_strength": "insufficient",
  "confidence": 0.74,
  "peer_reviewed_likely": "unknown",
  "keywords": [
    "magnetosensation",
    "magnetoreception",
    "magnetic fields",
    "birds",
    "magnetite",
    "cryptochrome",
    "MagR",
    "electromagnetic induction"
  ],
  "suggested_hubs": []
}
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AI-extracted fields are generated from the abstract and metadata and may be incomplete or incorrect. This material is for informational purposes and is not medical advice.

Identifiers and source

DOI: 10.1016/j.isci.2022.104454
PubMed: Not supplied

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