[Influence of the chronic exposure to network frequency electromagnetic field on rats under interrupted and continuous action of EMF].

Georgian medical news · 2006 · Mixed · Low evidence

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MixedLow evidencePaper 5095

Study snapshot

PublicationGeorgian medical news · 2006

Study typeanimal

Reported directionMixed

Evidence ratingLow

Abstract

The aim of the study was the investigation of chronic exposure to network frequency electromagnetic field in the rats under interrupted or continuous action of electric magnetic field. We were studying their behavior by the method of "open field". Comparison of behavior of rats in the "open field" has shown that the significant difference in the emotional activity of rats was stated. The number of boluses and urination in rats of B group is 4,5 times more than in the individuals of C group (p<0,001), but the significant difference between the rats of control A and B groups has not been stated. Although, the number of boluses in the rats of B group was a little raised, this raise was not statistically significant (p<0,5). The rats of control A and C groups significantly distinguished from one another. The number of boluses and urination in the animals of C group was significantly lower (p<0,001). In that way, the rats which were under the discontinuous action of electromagnetic field were distinguished by high emotionality, which occur by increase of boluses and urination, the high number grooming behavior and increase of the number of translocation, that influences the functioning of hypothalamohypophysial system.

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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

Populationrats

Sample sizeNot supplied

ExposureELF · chronic

Evidence strengthLowConfidence: 72% · Peer reviewed: yes

Main findings

In an open-field test, rats under discontinuous (interrupted) electromagnetic field exposure showed higher emotionality, including increased boluses/urination, more grooming, and increased translocation, compared with continuously exposed rats. Boluses and urination were reported as 4.5 times higher in the interrupted-exposure group than in the continuous-exposure group (p<0.001). No significant difference was reported between the control group and the interrupted-exposure group for these measures.

Outcomes measured

Behavior in open field test
Emotional activity (boluses/defecation, urination)
Grooming behavior
Translocation/locomotion
Hypothalamohypophysial system functioning (mentioned)

Limitations

No exposure parameters reported (e.g., field strength, exact frequency).
Sample size not reported.
Group definitions (A/B/C) and exposure protocol details are not fully described in the abstract.
Outcomes are behavioral proxies; physiological measures of the hypothalamohypophysial system are not described.

View raw extracted JSON

{
  "study_type": "animal",
  "exposure": {
    "band": "ELF",
    "source": "power/network frequency",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": "chronic"
  },
  "population": "rats",
  "sample_size": null,
  "outcomes": [
    "Behavior in open field test",
    "Emotional activity (boluses/defecation, urination)",
    "Grooming behavior",
    "Translocation/locomotion",
    "Hypothalamohypophysial system functioning (mentioned)"
  ],
  "main_findings": "In an open-field test, rats under discontinuous (interrupted) electromagnetic field exposure showed higher emotionality, including increased boluses/urination, more grooming, and increased translocation, compared with continuously exposed rats. Boluses and urination were reported as 4.5 times higher in the interrupted-exposure group than in the continuous-exposure group (p<0.001). No significant difference was reported between the control group and the interrupted-exposure group for these measures.",
  "effect_direction": "mixed",
  "limitations": [
    "No exposure parameters reported (e.g., field strength, exact frequency).",
    "Sample size not reported.",
    "Group definitions (A/B/C) and exposure protocol details are not fully described in the abstract.",
    "Outcomes are behavioral proxies; physiological measures of the hypothalamohypophysial system are not described."
  ],
  "evidence_strength": "low",
  "confidence": 0.72,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "rats",
    "network frequency",
    "ELF electromagnetic field",
    "chronic exposure",
    "interrupted exposure",
    "continuous exposure",
    "open field test",
    "emotionality",
    "defecation boluses",
    "urination",
    "grooming",
    "locomotion"
  ],
  "suggested_hubs": [
    {
      "slug": "occupational-exposure",
      "weight": 0.2,
      "reason": "Study concerns network/power-frequency EMF (ELF), which is often relevant to occupational ELF exposure, though this is an animal study and not explicitly occupational."
    }
  ]
}

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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: Not supplied
PubMed: 17179598

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