[Comparative estimation of the effects of continuous and intermittent cyclical microwave radiation on the behavior of rats in the extraordinary situation].

Radiatsionnaia biologiia, radioecologiia · 2003 · Harm · Low evidence

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HarmLow evidencePaper 6391

Reductions in conditioned behavior after acute pulsed microwave exposure without pause were observed at SAR 21 W/kg (100 mW/cm2). Reductions after interrupted cyclical pulsed microwave exposure were observed at SAR 28.4 W/kg (135 mW/cm2).

Study snapshot

PublicationRadiatsionnaia biologiia, radioecologiia · 2003
Study typeanimal
Reported directionHarm
Evidence ratingLow

Abstract

Research has been carried out to investigate the effects of pulsed microwave exposure without pause (7 GHz, 400 pps, 100 microseconds, 70-150 mW/cm2, exposure 10 min) and pulsed interrupted cyclical microwave exposure (5 min exposure--4 min pause--5 min exposure) on learned behaviors of rats in the paradigm of extraordinary situation (the rescue of the life). It was shown that reductions in conditioned behavior after acute pulsed microwave exposure occurred at SAR of 21 W/kg (100 mW/cm2) and after cyclical pulsed microwave exposure at SAR of 28.4 W/kg (135 mW/cm2).

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 directionharm
Populationrats
Sample sizeNot supplied
Exposuremicrowave · 7000 MHz · 21 W/kg · 10 min (continuous); 5 min exposure–4 min pause–5 min exposure (cyclical)
Evidence strengthLowConfidence: 74% · Peer reviewed: yes

Main findings

Reductions in conditioned behavior after acute pulsed microwave exposure without pause were observed at SAR 21 W/kg (100 mW/cm2). Reductions after interrupted cyclical pulsed microwave exposure were observed at SAR 28.4 W/kg (135 mW/cm2).

Outcomes measured

  • learned/conditioned behavior in an extraordinary situation paradigm (rescue of life)

Limitations

  • Sample size not reported in abstract.
  • Only acute exposures described; longer-term effects not addressed.
  • Exposure conditions are high (SAR values in tens of W/kg), which may limit generalizability to lower-level exposures.
View raw extracted JSON
{
  "study_type": "animal",
  "exposure": {
    "band": "microwave",
    "source": null,
    "frequency_mhz": 7000,
    "sar_wkg": 21,
    "duration": "10 min (continuous); 5 min exposure–4 min pause–5 min exposure (cyclical)"
  },
  "population": "rats",
  "sample_size": null,
  "outcomes": [
    "learned/conditioned behavior in an extraordinary situation paradigm (rescue of life)"
  ],
  "main_findings": "Reductions in conditioned behavior after acute pulsed microwave exposure without pause were observed at SAR 21 W/kg (100 mW/cm2). Reductions after interrupted cyclical pulsed microwave exposure were observed at SAR 28.4 W/kg (135 mW/cm2).",
  "effect_direction": "harm",
  "limitations": [
    "Sample size not reported in abstract.",
    "Only acute exposures described; longer-term effects not addressed.",
    "Exposure conditions are high (SAR values in tens of W/kg), which may limit generalizability to lower-level exposures."
  ],
  "evidence_strength": "low",
  "confidence": 0.74,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "pulsed microwave",
    "7 GHz",
    "rats",
    "conditioned behavior",
    "extraordinary situation paradigm",
    "SAR",
    "continuous exposure",
    "intermittent exposure"
  ],
  "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: Not supplied
PubMed: 14658298

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