Analysis of Body Hair Movement in ELF Electric Field Exposure.

PAPER pubmed Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference 2005 Engineering / measurement Effect: unclear Evidence: Insufficient

Read original paper → DOI: 10.1109/iembs.2005.1615406 PMID: 17281176 Evidence Lab

Abstract

For the study of the perception of ELF electric field, a fundamental study was conducted on the movement of body hair in field exposure. The electric force exerted on a hair was given from the force component at dielectric discontinuity. With this force, the equation of the hair displacement in field exposure was derived. The displacement evaluated by the equation agreed well with experimental results. Finally, the hair movement in field exposure was formulated theoretically. The derived equation well describes the real movement of body hair in field exposure. With the equation, the mechanisms of the threshold variation in the field perception was made clear.

AI evidence extraction

At a glance

Study type

Engineering / measurement

Effect direction

unclear

Population

—

Sample size

—

Exposure

ELF

Evidence strength

Insufficient

Confidence: 74% · Peer-reviewed: yes

Main findings

A theoretical equation for body hair displacement under ELF electric field exposure was derived based on electric force at dielectric discontinuity. The calculated displacement agreed well with experimental results, and the formulation was reported to clarify mechanisms underlying threshold variation in field perception.

Outcomes measured

body hair movement/displacement in ELF electric field exposure
mechanisms related to threshold variation in electric field perception

Limitations

Frequency, field strength, and exposure duration are not reported in the abstract.
Population/subjects and sample size are not described.
Outcomes are mechanistic/biophysical; no health endpoints are reported.

Suggested hubs

mechanisms-bioeffects (0.72)
Focuses on biophysical mechanism (hair movement) underlying perception in ELF electric fields.

View raw extracted JSON

{
    "study_type": "engineering",
    "exposure": {
        "band": "ELF",
        "source": null,
        "frequency_mhz": null,
        "sar_wkg": null,
        "duration": null
    },
    "population": null,
    "sample_size": null,
    "outcomes": [
        "body hair movement/displacement in ELF electric field exposure",
        "mechanisms related to threshold variation in electric field perception"
    ],
    "main_findings": "A theoretical equation for body hair displacement under ELF electric field exposure was derived based on electric force at dielectric discontinuity. The calculated displacement agreed well with experimental results, and the formulation was reported to clarify mechanisms underlying threshold variation in field perception.",
    "effect_direction": "unclear",
    "limitations": [
        "Frequency, field strength, and exposure duration are not reported in the abstract.",
        "Population/subjects and sample size are not described.",
        "Outcomes are mechanistic/biophysical; no health endpoints are reported."
    ],
    "evidence_strength": "insufficient",
    "confidence": 0.7399999999999999911182158029987476766109466552734375,
    "peer_reviewed_likely": "yes",
    "keywords": [
        "ELF electric field",
        "electric field perception",
        "body hair movement",
        "hair displacement",
        "dielectric discontinuity",
        "biophysical mechanism",
        "threshold variation"
    ],
    "suggested_hubs": [
        {
            "slug": "mechanisms-bioeffects",
            "weight": 0.7199999999999999733546474089962430298328399658203125,
            "reason": "Focuses on biophysical mechanism (hair movement) underlying perception in ELF electric fields."
        }
    ]
}

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AI-extracted fields are generated from the abstract/metadata and may be incomplete or incorrect. This content is for informational purposes only and is not medical advice.

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