Is activation of the vestibular system by electromagnetic induction a possibility in an MRI context?

Nicolas Bouisset*, Janita Nissi, Ilkka Laakso, Raymond F. Reynolds, Alexandre Legros

*Tämän työn vastaava kirjoittaja

Tutkimustuotos: LehtiartikkeliReview Articlevertaisarvioitu

30 Lataukset (Pure)

Abstrakti

In recent years, an increasing number of studies have discussed the mechanisms of vestibular activation in strong magnetic field settings such as occur in a magnetic resonance imaging scanner environment. Amid the different hypotheses, the Lorentz force explanation currently stands out as the most plausible mechanism, as evidenced by activation of the vestibulo-ocular reflex. Other hypotheses have largely been discarded. Nonetheless, both human data and computational modeling suggest that electromagnetic induction could be a valid mechanism which may coexist alongside the Lorentz force. To further investigate the induction hypothesis, we provide, herein, a first of its kind dosimetric analysis to estimate the induced electric fields at the vestibular system and compare them with what galvanic vestibular stimulation would generate. We found that electric fields strengths from induction match galvanic vestibular stimulation strengths generating vestibular responses. This review examines the evidence in support of electromagnetic induction of vestibular responses, and whether movement-induced time-varying magnetic fields should be further considered and investigated.

AlkuperäiskieliEnglanti
Sivut171-183
Sivumäärä13
JulkaisuBioelectromagnetics
Vuosikerta45
Numero4
Varhainen verkossa julkaisun päivämäärä13 helmik. 2024
DOI - pysyväislinkit
TilaJulkaistu - toukok. 2024
OKM-julkaisutyyppiA2 Katsausartikkeli tieteellisessä aikakauslehdessä

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