[Mechanism of the effect of nonionizing radiation on animals at the level of sensory systems].

Abstract

In three series of experiments on mice (CBA X C57BL)F1 and Wistar rats a study was made of the effect of microwaves (0.9 GGz, 0.4 mW/cm2, 10 min) on the EEG reaction of adopting the photostimulation rhythm by rats; the effect of microwaves (0.6 GGZ, 0.04 mW/cm2, 5 min) and gamma-quanta (60Co, 0.5 Gy) on the reaction of avoiding by mice of cooled surfaces, and the effect of microwaves (9.8 GGz, 0.04 mW/cm2, 5 min) on the reaction of avoiding the water pool. The results obtained are discussed with regard to the hypothesis that the biological effects of weak microwave radiation may be realized at the nervous system level via cutaneous ceptors.

AI evidence extraction

Main findings

Three experimental series assessed microwave exposures (0.9 GHz at 0.4 mW/cm2 for 10 min; 0.6 GHz at 0.04 mW/cm2 for 5 min; 9.8 GHz at 0.04 mW/cm2 for 5 min) on EEG photostimulation rhythm adoption in rats and avoidance behaviors in mice. The abstract states that results are discussed in relation to a hypothesis involving nervous system mechanisms via cutaneous receptors, but does not report specific directional results.

Outcomes measured

• EEG reaction to adopting photostimulation rhythm (rats)
• Avoidance of cooled surfaces (mice)
• Avoidance of water pool (mice)

Limitations

• Sample size not reported in abstract
• No quantitative results or direction of effects reported in abstract
• Exposure metrics reported as power density; SAR not provided

{
    "study_type": "animal",
    "exposure": {
        "band": "microwave",
        "source": null,
        "frequency_mhz": null,
        "sar_wkg": null,
        "duration": "10 min; 5 min"
    },
    "population": "Mice (CBA × C57BL)F1 and Wistar rats",
    "sample_size": null,
    "outcomes": [
        "EEG reaction to adopting photostimulation rhythm (rats)",
        "Avoidance of cooled surfaces (mice)",
        "Avoidance of water pool (mice)"
    ],
    "main_findings": "Three experimental series assessed microwave exposures (0.9 GHz at 0.4 mW/cm2 for 10 min; 0.6 GHz at 0.04 mW/cm2 for 5 min; 9.8 GHz at 0.04 mW/cm2 for 5 min) on EEG photostimulation rhythm adoption in rats and avoidance behaviors in mice. The abstract states that results are discussed in relation to a hypothesis involving nervous system mechanisms via cutaneous receptors, but does not report specific directional results.",
    "effect_direction": "unclear",
    "limitations": [
        "Sample size not reported in abstract",
        "No quantitative results or direction of effects reported in abstract",
        "Exposure metrics reported as power density; SAR not provided"
    ],
    "evidence_strength": "insufficient",
    "confidence": 0.61999999999999999555910790149937383830547332763671875,
    "peer_reviewed_likely": "yes",
    "keywords": [
        "microwaves",
        "nonionizing radiation",
        "animal study",
        "mice",
        "rats",
        "EEG",
        "photostimulation",
        "avoidance behavior",
        "cutaneous receptors",
        "nervous system"
    ],
    "suggested_hubs": []
}

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