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Microwave-evoked brainstem potentials in cats.

The Journal of microwave power · 1979 · Unclear · Insufficient evidence

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UnclearInsufficient evidencePaper 6062

Pulse-modulated microwave radiation produced auditory responses in cats that closely resembled responses evoked by an acoustic pulse. Preliminary results are reported using vertex skull electrodes after successive coagulative lesions in specific auditory brai…

Study snapshot

PublicationThe Journal of microwave power · 1979
Study typeanimal
Reported directionUnclear
Evidence ratingInsufficient

Abstract

Rectangular pulse-modulated microwave radiation has been shown to produce auditory responses in mammals. It is therefore reasonable to explore the possibility of using microwave pulses to achieve an estimate of sensori-neural involvement in the objective evaluation of human hearing and to assess the presence of tumors or brainstem lesions in patients with neurological disorders. In this paper we shall show that microwave-evoked auditory response of cats closely resembles that evoked by acoustic pulse. We shall also give preliminary results obtained from electrodes fastened to the vertex of the skull after successive coagulative production of lesions in the inferior colliculus, lateral lemniscus, and superior olivary nucleus.

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 directionunclear
PopulationCats
Sample sizeNot supplied
Exposuremicrowave
Evidence strengthInsufficientConfidence: 66% · Peer reviewed: yes

Main findings

Pulse-modulated microwave radiation produced auditory responses in cats that closely resembled responses evoked by an acoustic pulse. Preliminary results are reported using vertex skull electrodes after successive coagulative lesions in specific auditory brainstem structures.

Outcomes measured

  • Microwave-evoked auditory (brainstem) responses/potentials
  • Comparison of microwave-evoked vs acoustic pulse-evoked responses
  • Effects of induced brainstem lesions (inferior colliculus, lateral lemniscus, superior olivary nucleus) on recorded responses

Limitations

  • No exposure parameters (e.g., frequency, power/SAR, pulse characteristics) reported in the abstract
  • Sample size not reported
  • Results described as preliminary for lesion experiments
  • No quantitative outcome data provided in the abstract
View raw extracted JSON
{
  "study_type": "animal",
  "exposure": {
    "band": "microwave",
    "source": null,
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": null
  },
  "population": "Cats",
  "sample_size": null,
  "outcomes": [
    "Microwave-evoked auditory (brainstem) responses/potentials",
    "Comparison of microwave-evoked vs acoustic pulse-evoked responses",
    "Effects of induced brainstem lesions (inferior colliculus, lateral lemniscus, superior olivary nucleus) on recorded responses"
  ],
  "main_findings": "Pulse-modulated microwave radiation produced auditory responses in cats that closely resembled responses evoked by an acoustic pulse. Preliminary results are reported using vertex skull electrodes after successive coagulative lesions in specific auditory brainstem structures.",
  "effect_direction": "unclear",
  "limitations": [
    "No exposure parameters (e.g., frequency, power/SAR, pulse characteristics) reported in the abstract",
    "Sample size not reported",
    "Results described as preliminary for lesion experiments",
    "No quantitative outcome data provided in the abstract"
  ],
  "evidence_strength": "insufficient",
  "confidence": 0.66,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "microwave",
    "pulse-modulated",
    "auditory response",
    "brainstem potentials",
    "cats",
    "microwave auditory effect",
    "inferior colliculus",
    "lateral lemniscus",
    "superior olivary nucleus",
    "lesion study"
  ],
  "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: 10.1080/16070658.1979.11689163
PubMed: 261592

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