NDLI: Modeling of the Internal Fields Distribution in Human Inner Hearing System Exposed to 900 and 1800 MHz

Content Provider	IEEE Xplore Digital Library
Author	Parazzini, M. Tognola, G. Franzoni, C. Grandori, F. Ravazzani, P.
Copyright Year	1964
Abstract	This paper investigates the internal electric and magnetic field distribution and the specific absorption rate (SAR) values in a magnetic resonance imaging-based model of the inner hearing system exposed to 900 and 1800 MHz. The internal fields distributions were calculated using the Finite Integration Technique. The estimation of the field values was evaluated along lines passing through that target organ, specifically from the vestibular to the cochlear region and from the apex to the base of the cochlea. The specific findings are: 1) higher internal fields strength and SAR value in the vestibular region rather than in the auditory region, especially for the inner ear closer to the external source; 2) higher internal fields strength in the basal and apical region of the cochlea than in the middle one; 3) local differences in the internal fields distribution and SAR value, comparing the head models including or not the inner auditory system model; 4) results' variability evaluated by changing the head-source mutual position and the dielectric properties of the inner hearing system
Sponsorship	IEEE Engineering in Medicine and Biology Society
Page Count	10
File Size	1692897
Starting Page	39
Ending Page	48
File Format	PDF
ISSN	00189294
Volume Number	54
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Humans Auditory system Ear Mobile handsets Cellular phones Head Radio frequency Hair Sense organs Absorption numerical dosimetry Finite integration technique inner hearing system mobile phones exposure
Content Type	Text
Resource Type	Article
Subject	Biomedical Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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