Effect of 60 minutes exposure to electromagnetic field on fecundity, learning and memory, speed of movement and whole body protein of the fruit fly Drosophila melanogaster.

Journal of the Egyptian Society of Parasitology · 2012 · Mixed · Low evidence

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MixedLow evidencePaper 3150

Exposure to EMF from four different electrical devices had no significant effect on adult fecundity. EMF exposure altered learning and memory function in larvae, with effects especially noted for those exposed to a mobile phone. Larval speed of movement diffe…

Study snapshot

PublicationJournal of the Egyptian Society of Parasitology · 2012
Study typeanimal
Reported directionMixed
Evidence ratingLow

Abstract

This study investigated the effect of four different electrical devices as source of electromagnetic field on fecundity, learning and memory function, speed of movement, in addition to the whole body proteins of the fruit fly Drosophila melanogaster. The results showed that exposure to EMF has no significant effect on adult fecundity (ANOVA and Duncan's test) but alters learning and memory function in Drosophila larvae, especially those exposed to mobile phone. Highly significant differences occurred in the larval speed of movement after exposure to EMF, with maximal effect occurred for larvae exposed to mobile phone (their speed of movement increased 2.5 times of wild type). Some protein bands serve as characters for exposure to certain electrical devices which suggest that exposure to EMF may affect the whole body proteins.

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 typeanimal
Effect directionmixed
PopulationFruit fly (Drosophila melanogaster) adults and larvae
Sample sizeNot supplied
Exposure60 minutes
Evidence strengthLowConfidence: 74% · Peer reviewed: yes

Main findings

Exposure to EMF from four different electrical devices had no significant effect on adult fecundity. EMF exposure altered learning and memory function in larvae, with effects especially noted for those exposed to a mobile phone. Larval speed of movement differed significantly after EMF exposure, with the largest increase reported for mobile-phone exposure (2.5× wild type). Protein band patterns differed by device, suggesting possible effects on whole-body proteins.

Outcomes measured

  • fecundity
  • learning
  • memory
  • speed of movement
  • whole body proteins (protein bands)

Limitations

  • Frequency and exposure metrics (e.g., field strength, SAR) not reported in abstract
  • Sample size not reported in abstract
  • Specific devices (beyond mobile phone) not detailed in abstract
  • Outcome measurement methods and blinding/randomization not described in abstract
View raw extracted JSON
{
  "study_type": "animal",
  "exposure": {
    "band": null,
    "source": "four different electrical devices (including mobile phone)",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": "60 minutes"
  },
  "population": "Fruit fly (Drosophila melanogaster) adults and larvae",
  "sample_size": null,
  "outcomes": [
    "fecundity",
    "learning",
    "memory",
    "speed of movement",
    "whole body proteins (protein bands)"
  ],
  "main_findings": "Exposure to EMF from four different electrical devices had no significant effect on adult fecundity. EMF exposure altered learning and memory function in larvae, with effects especially noted for those exposed to a mobile phone. Larval speed of movement differed significantly after EMF exposure, with the largest increase reported for mobile-phone exposure (2.5× wild type). Protein band patterns differed by device, suggesting possible effects on whole-body proteins.",
  "effect_direction": "mixed",
  "limitations": [
    "Frequency and exposure metrics (e.g., field strength, SAR) not reported in abstract",
    "Sample size not reported in abstract",
    "Specific devices (beyond mobile phone) not detailed in abstract",
    "Outcome measurement methods and blinding/randomization not described in abstract"
  ],
  "evidence_strength": "low",
  "confidence": 0.74,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "electromagnetic field",
    "electrical devices",
    "mobile phone",
    "Drosophila melanogaster",
    "fecundity",
    "learning",
    "memory",
    "locomotion",
    "protein bands"
  ],
  "suggested_hubs": [
    {
      "slug": "mobile-phones-rf",
      "weight": 0.7,
      "reason": "Mobile phone identified as a source with maximal effects on larval outcomes."
    }
  ]
}
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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: 10.12816/0006347
PubMed: 23469637

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