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[Pulse flows of populations of cortical neurons under microwave radiation: the number of burst activity].

Radiatsionnaia biologiia, radioecologiia · 2010 · Mixed · Low evidence

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MixedLow evidencePaper 6508

Microwave irradiation for 1 minute (37.5 cm wavelength) produced changes in the number of spike bursts in populations of cortical neurons. The direction and dynamics of shifts depended on irradiation intensity and on the type of bursts analyzed (time levels 5…

Study snapshot

PublicationRadiatsionnaia biologiia, radioecologiia · 2010
Study typeanimal
Reported directionMixed
Evidence ratingLow

Abstract

In unanesthetized nonimmobilized rabbit pulse flows of populations of cortical neurons were investigated prior, during, and after 1-min microwave irradiation (wavelength 37.5 cm, power density 0.2-0.3; 0.4; 0.5; and 40 mW/cm2) on the basis of the analysis of burst activity identified by means of time levels 5, 10, and 20 ms. Changes of the number of the spike bursts resulted from these exposures. The direction of the shifts its dynamics was determined by as intensity of irradiation as the kind of the bursts themselves.

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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
PopulationUnanesthetized, nonimmobilized rabbits (cortical neuron populations)
Sample sizeNot supplied
Exposuremicrowave · 800 MHz · 1 min
Evidence strengthLowConfidence: 66% · Peer reviewed: yes

Main findings

Microwave irradiation for 1 minute (37.5 cm wavelength) produced changes in the number of spike bursts in populations of cortical neurons. The direction and dynamics of shifts depended on irradiation intensity and on the type of bursts analyzed (time levels 5, 10, and 20 ms).

Outcomes measured

  • Cortical neuronal population pulse flows
  • Spike burst activity (number of spike bursts; burst dynamics)

Limitations

  • Sample size not reported in abstract
  • No SAR or dosimetry beyond power density reported in abstract
  • Outcome measures and statistical details not provided in abstract
View raw extracted JSON
{
  "study_type": "animal",
  "exposure": {
    "band": "microwave",
    "source": null,
    "frequency_mhz": 800,
    "sar_wkg": null,
    "duration": "1 min"
  },
  "population": "Unanesthetized, nonimmobilized rabbits (cortical neuron populations)",
  "sample_size": null,
  "outcomes": [
    "Cortical neuronal population pulse flows",
    "Spike burst activity (number of spike bursts; burst dynamics)"
  ],
  "main_findings": "Microwave irradiation for 1 minute (37.5 cm wavelength) produced changes in the number of spike bursts in populations of cortical neurons. The direction and dynamics of shifts depended on irradiation intensity and on the type of bursts analyzed (time levels 5, 10, and 20 ms).",
  "effect_direction": "mixed",
  "limitations": [
    "Sample size not reported in abstract",
    "No SAR or dosimetry beyond power density reported in abstract",
    "Outcome measures and statistical details not provided in abstract"
  ],
  "evidence_strength": "low",
  "confidence": 0.66,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "microwave radiation",
    "rabbit",
    "cortex",
    "neurons",
    "spike bursts",
    "burst activity",
    "power density"
  ],
  "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: 20464969

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