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Electrical Bioimped...
Electrical Bioimpedance Cerebral Monitoring : A Study of the Current Density Distribution and Impedance Sensitivity Maps on a 3D Realistic Head Model
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- Seoane, Fernando, 1976- (författare)
- Högskolan i Borås,Institutionen Ingenjörshögskolan
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- Lu, Mai, 1968 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Persson, Mikael, 1959 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Lindecrantz, Kaj, 1951- (författare)
- Högskolan i Borås,Institutionen Ingenjörshögskolan
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(creator_code:org_t)
- ISBN 1424407923
- IEEE, 2007
- 2007
- Engelska.
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Ingår i: Proceedings of the 3rd IEEE-EMBS International Conference on Neural Engineering. - : IEEE. - 1424407923 ; , s. 256 - 260
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- There have been several studies of the application of electrical bioimpedance technology for brain monitoring in the past years. They have targeted a variety of events and injuries e.g. epilepsy or stroke. The current density distribution and the voltage lead field associated with an impedance measurement setup is of critical importance for the proper analysis of any dynamics in the impedance measurement or for an accurate reconstruction of an EIT image, specially a dynamic type. In this work for the first time, the current density distribution is calculated in a human head with anatomical accuracy and resolution down to 1 mm, containing up to 24 tissues and considering the frequency dependency of the conductivity of each tissue. The obtained current densities and the subsequent sensitivity maps are analyzed with a special focus on the dependency of the electrode arrangement and also the measurement frequency. The obtained results provide us with interesting and relevant information to consider in the design of any tool for electrical bioimpedance cerebral monitoring.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Medicinteknik -- Annan medicinteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Medical Engineering -- Other Medical Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Medicinteknik -- Medicinsk laboratorie- och mätteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Medical Engineering -- Medical Laboratory and Measurements Technologies (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinsk bioteknologi -- Biomedicinsk laboratorievetenskap/teknologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Medical Biotechnology -- Biomedical Laboratory Science/Technology (hsv//eng)
Nyckelord
- bioelectric phenomena
- biological tissues
- biology computing
- biomedical electrodes
- brain models
- current density
- electric impedance
- patient monitoring
- solid modelling
- 3D realistic head model
- brain damage
- brain monitoring
- current density distribution
- electrical bioimpedance cerebral monitoring
- electrode arrangement
- impedance sensitivity maps
Publikations- och innehållstyp
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