The effect of layers in imaging brain function using electrical impedance tomograghy

Physiological Measurement

Volumn 25, Issue 1, 2004, Pages 143-158

  Liston, A D ^a,b   Bayford, R H ^a,b   Holder, D S ^b  

^a MIDDLESEX UNIVERSITY   (United Kingdom)

^b UNIVERSITY COLLEGE LONDON HOSPITALS   (United Kingdom)

Author keywords

Analytical model; EIT; Electrical impedance tomography; Finite element model; Multi shell; Neuroimaging; Reconstruction algorithms

Indexed keywords

ANALYTICAL MODELS; CEREBROSPINAL FLUID; ELECTRIC IMPEDANCE; ELECTRIC IMPEDANCE MEASUREMENT; ELECTRIC IMPEDANCE TOMOGRAPHY; IMAGE ENHANCEMENT; IMAGE QUALITY; IMAGE RECONSTRUCTION; MAGNETIC RESONANCE IMAGING; RESONANCE; TANKS (CONTAINERS);

BRAIN FUNCTIONS; CEREBRO SPINAL FLUIDS; ELECTRICAL IMPEDANCE; FINITE ELEMENT MODELLING (FEM); FORWARD MODELING; LINEAR FINITE ELEMENTS; MULTI-SHELL; RECONSTRUCTION ALGORITHMS; SIMPLE ALGORITHM; SIMPLER ALGORITHMS;

FINITE ELEMENT METHOD;

ALGORITHM; BRAIN FUNCTION; CEREBROSPINAL FLUID; COMPUTER ASSISTED IMPEDANCE TOMOGRAPHY; COMPUTER SIMULATION; CONDUCTANCE; CONFERENCE PAPER; DIAGNOSTIC ACCURACY; DIAGNOSTIC IMAGING; FINITE ELEMENT ANALYSIS; IMAGE ANALYSIS; IMAGE QUALITY; MATHEMATICAL MODEL; MODEL; PRIORITY JOURNAL; SCALP; SKIN ELECTRODE; SKULL;

EID: 1342290178     PISSN: 09673334     EISSN: None     Source Type: Journal    
DOI: 10.1088/0967-3334/25/1/022     Document Type: Conference Paper

References (17)

1. Arridge S R et al 2000 A method for three-dimensional time-resolved optical tomography Int. J. Imaging Syst. Technol. 11 2-11
2. Ary J P et al 1981 Location of sources of evoked scalp potentials: corrections for skull and scalp thickness IEEE Trans. Biomed. Eng. 28 447-52
3. Bagshaw A P, Liston A D, Bayford R H, Tizzard A, Gibson A P, Tidswell A T, Sparkes M K, Dehghani H, Binnie C D and Holder D S 2003 Electrical impedance tomography of human brain function using reconstruction algorithms based on the finite element method Neuroimage 20 752-63
4. Bonovas P M, Kyriacou G A and Sahalos J N 2001 A realistic three dimensional FEM of the human head Physiol. Meas. 22 65-76
5. Breckon W R and Pidcock M K 1987 Mathematical aspects of impedance imaging Clin. Phys. Physiol. Meas. 8 77-84
6. Clay M T and Ferree T C 2002 Weighted regularization in electrical impedance tomography with applications to acute cerebral stroke IEEE Trans. Med. Imaging 21 629-37
7. Geddes L A and Baker L E 1967 The specific resistance of biological materials: a compendium of data for the biomedical engineer and physiologist Med. Biol. Eng. 5 271-93
8. Gibson A 2000 Electrical impedance tomography of human brain function PhD Thesis University College London
9. Gibson A et al 1999 A 3D reconstruction algorithm for imaging impedance changes in the human head Biomedical Applications of EIT (London, 1999)
10. Liston A D et al 2002 A multi-shell algorithm to reconstruct EIT images of brain function Physiol. Meas. 23 105-19
11. Metherall P 1998 Three-Dimensional Electrical Impedance Tomography of the Human Thorax Medical Physics and Clinical Engineering, Sheffield, University of Sheffield
12. Oostendorp T F et al 2000 The conductivity of the human skull: results of in vivo and in vitro measurements IEEE Tran. Biomed. Eng. 47 1487-92
13. Saha S and Williams P A 1992 Electric and dielectric properties of wet human cortical bone as a function of frequency IEEE Trans. Biomed. Eng. 39 1298-304
14. Tidswell A T et al 2001a Validation of a 3D reconstruction algorithm for EIT of human brain function in a realistic head-shaped tank Physiol. Meas. 22 177-85
15. Tidswell A T et al 2001b Three-dimensional electrical impedance tomography of human brain activity Neuroimage 13 283-94
16. Tidswell A T, Gibson A, Bayford R H and Holder D S 2001c Electrical impedance tomography of human brain activity with a two-dimensional ring of scalp electrodes Physiol. Meas. 22 167-75
17. Towers C M, McCann H, Wang M, Beatty P C, Pomfrett C J D and Beck M S 2000 3D simulation of EIT for monitoring impedance variations within the human head Physiol. Meas. 21 119-24