Exposure to extremely low-frequency electromagnetic fields improves social recognition in male rats.

Physiology & behavior · 2004 · Benefit · Low evidence

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BenefitLow evidencePaper 5220

Exposure to ELF EMF at 1 mT for 2 h/day over 9 days increased the duration of short-term social recognition memory in adult male Wistar rats up to 300 minutes.

Study snapshot

PublicationPhysiology & behavior · 2004
Study typeanimal
Reported directionBenefit
Evidence ratingLow

Abstract

The effect of exposure to low-frequency electromagnetic fields (ELF EMFs) on social recognition was studied. The test was based upon a comparison between two encounters of an adult rat and a conspecific juvenile, separated by an interexposure interval (IEI). The exposure to ELF EMF of 1 mT intensity during 2 h for 9 days increased the duration of short-term memory of adult male Wistar rats up to 300 min. These data indicate, for the first time, that ELF EMF improves social recognition memory in rats.

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 directionbenefit
PopulationAdult male Wistar rats (social recognition test with conspecific juvenile)
Sample sizeNot supplied
ExposureELF · 2 h for 9 days
Evidence strengthLowConfidence: 78% · Peer reviewed: yes

Main findings

Exposure to ELF EMF at 1 mT for 2 h/day over 9 days increased the duration of short-term social recognition memory in adult male Wistar rats up to 300 minutes.

Outcomes measured

  • Social recognition
  • Short-term memory duration (social recognition memory)

Limitations

  • Frequency of the ELF field not reported in abstract
  • Sample size not reported in abstract
  • Only male rats studied (adult male Wistar rats)
  • Animal study; relevance to humans not addressed in abstract
View raw extracted JSON
{
  "study_type": "animal",
  "exposure": {
    "band": "ELF",
    "source": null,
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": "2 h for 9 days"
  },
  "population": "Adult male Wistar rats (social recognition test with conspecific juvenile)",
  "sample_size": null,
  "outcomes": [
    "Social recognition",
    "Short-term memory duration (social recognition memory)"
  ],
  "main_findings": "Exposure to ELF EMF at 1 mT for 2 h/day over 9 days increased the duration of short-term social recognition memory in adult male Wistar rats up to 300 minutes.",
  "effect_direction": "benefit",
  "limitations": [
    "Frequency of the ELF field not reported in abstract",
    "Sample size not reported in abstract",
    "Only male rats studied (adult male Wistar rats)",
    "Animal study; relevance to humans not addressed in abstract"
  ],
  "evidence_strength": "low",
  "confidence": 0.78,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "ELF EMF",
    "extremely low-frequency",
    "1 mT",
    "rats",
    "Wistar",
    "social recognition",
    "memory",
    "short-term memory"
  ],
  "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.physbeh.2004.06.004
PubMed: 15327917

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