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[Effect of weak electromagnetic radiation on learning in the grain beetle Tenebrio monitor].

Zhurnal vysshei nervnoi deiatelnosti imeni I P Pavlova · 2003 · Benefit · Low evidence

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BenefitLow evidencePaper 3758

Weak electromagnetic radiation (36 GHz, 100 µW/cm2) exposure before or after learning experiments was studied in Tenebrio molitor larvae and adults. Previous exposure stimulated learning in both larvae and adults, with stronger effects in larvae exposed immed…

Study snapshot

PublicationZhurnal vysshei nervnoi deiatelnosti imeni I P Pavlova · 2003
Study typeanimal
Reported directionBenefit
Evidence ratingLow

Abstract

Weak electromagnetic radiation (36 GHz, 100 MicroW/cm2) was used to study its effect on learning and memory of larvae and imago of the grain beetle Tenebrio molitor. The insects were learned to choose the direction in a T-maze. The retention was tested a month later. They were exposed to weak electromagnetic radiation before or after the learning experiments. Previous exposure to weak electromagnetic radiation stimulated learning of both larvae and imago. The effect depended on the developmental stage of the larvae. It was considerably stronger in larvae exposed to weak electromagnetic radiation immediately after their molting. It was better in the first half of the instar than in the second half. It is suggested that the effect of weak electromagnetic radiation can correlate with the function of hormones of metamorphosis.

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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 directionbenefit
PopulationLarvae and imago (adult) grain beetle Tenebrio molitor
Sample sizeNot supplied
ExposuremmWave · 36000 MHz
Evidence strengthLowConfidence: 72% · Peer reviewed: yes

Main findings

Weak electromagnetic radiation (36 GHz, 100 µW/cm2) exposure before or after learning experiments was studied in Tenebrio molitor larvae and adults. Previous exposure stimulated learning in both larvae and adults, with stronger effects in larvae exposed immediately after molting and during the first half of the instar.

Outcomes measured

  • Learning performance in a T-maze (direction choice)
  • Memory retention tested one month later

Limitations

  • Sample size not reported in abstract
  • Exposure duration not reported in abstract
  • Details of randomization/blinding and statistical analysis not reported in abstract
  • Memory/retention results are mentioned but not clearly reported in the abstract
View raw extracted JSON
{
  "study_type": "animal",
  "exposure": {
    "band": "mmWave",
    "source": null,
    "frequency_mhz": 36000,
    "sar_wkg": null,
    "duration": null
  },
  "population": "Larvae and imago (adult) grain beetle Tenebrio molitor",
  "sample_size": null,
  "outcomes": [
    "Learning performance in a T-maze (direction choice)",
    "Memory retention tested one month later"
  ],
  "main_findings": "Weak electromagnetic radiation (36 GHz, 100 µW/cm2) exposure before or after learning experiments was studied in Tenebrio molitor larvae and adults. Previous exposure stimulated learning in both larvae and adults, with stronger effects in larvae exposed immediately after molting and during the first half of the instar.",
  "effect_direction": "benefit",
  "limitations": [
    "Sample size not reported in abstract",
    "Exposure duration not reported in abstract",
    "Details of randomization/blinding and statistical analysis not reported in abstract",
    "Memory/retention results are mentioned but not clearly reported in the abstract"
  ],
  "evidence_strength": "low",
  "confidence": 0.72,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "Tenebrio molitor",
    "grain beetle",
    "larvae",
    "imago",
    "learning",
    "memory",
    "T-maze",
    "36 GHz",
    "millimeter wave",
    "weak electromagnetic radiation",
    "molting",
    "instar"
  ],
  "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: 14959492

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