A Route to Chaotic Behavior of Single Neuron Exposed to External Electromagnetic Radiation.

Frontiers in computational neuroscience · 2017 · Unclear · Low evidence

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UnclearLow evidencePaper 6647

External electromagnetic radiation modeled as a cosine function induces mode transitions in membrane potential of a single neuron model, including periodic, quasi-periodic, and chaotic behaviors depending on the frequency and amplitude of the radiation. Frequ…

Study snapshot

PublicationFrontiers in computational neuroscience · 2017

Study typein_vitro

Reported directionUnclear

Evidence ratingLow

Abstract

Non-linear behaviors of a single neuron described by Fitzhugh-Nagumo (FHN) neuron model, with external electromagnetic radiation considered, is investigated. It is discovered that with external electromagnetic radiation in form of a cosine function, the mode selection of membrane potential occurs among periodic, quasi-periodic, and chaotic motions as increasing the frequency of external transmembrane current, which is selected as a sinusoidal function. When the frequency is small or large enough, periodic, and quasi-periodic motions are captured alternatively. Otherwise, when frequency is in interval 0.778 < ω < 2.208, chaotic motion characterizes the main behavior type. The mechanism of mode transition from quasi-periodic to chaotic motion is also observed when varying the amplitude of external electromagnetic radiation. The frequency apparently plays a more important role in determining the system behavior.

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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 typein_vitro

Effect directionunclear

Populationsingle neuron model (Fitzhugh-Nagumo)

Sample sizeNot supplied

ExposureNot supplied

Evidence strengthLowConfidence: 30% · Peer reviewed: yes

Main findings

Outcomes measured

membrane potential behavior modes
periodic motion
quasi-periodic motion
chaotic motion

Limitations

study is computational modeling, not experimental or epidemiological
single neuron model may not represent complex biological systems
no direct health or functional outcomes assessed

View raw extracted JSON

{
  "study_type": "in_vitro",
  "exposure": {
    "band": null,
    "source": "external electromagnetic radiation",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": null
  },
  "population": "single neuron model (Fitzhugh-Nagumo)",
  "sample_size": null,
  "outcomes": [
    "membrane potential behavior modes",
    "periodic motion",
    "quasi-periodic motion",
    "chaotic motion"
  ],
  "main_findings": "External electromagnetic radiation modeled as a cosine function induces mode transitions in membrane potential of a single neuron model, including periodic, quasi-periodic, and chaotic behaviors depending on the frequency and amplitude of the radiation. Frequency plays a key role in determining the behavior, with chaotic motion occurring in a specific frequency interval.",
  "effect_direction": "unclear",
  "limitations": [
    "study is computational modeling, not experimental or epidemiological",
    "single neuron model may not represent complex biological systems",
    "no direct health or functional outcomes assessed"
  ],
  "evidence_strength": "low",
  "confidence": 0.3,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "electromagnetic radiation",
    "neuron model",
    "Fitzhugh-Nagumo",
    "chaotic behavior",
    "membrane potential",
    "non-linear dynamics"
  ],
  "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: 10.3389/fncom.2017.00094
PubMed: 29089882

Read the original paper →

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