A method for removing artefacts from continuous EEG recordings during functional electrical impedance tomography for the detection of epileptic seizures

Physiological Measurement

Volumn 31, Issue 8, 2010, Pages

  Fabrizi, L ^a   Yerworth, R ^b   McEwan, A ^c   Gilad, O ^a   Bayford, R ^b   Holder, D S ^a  

^a UNIVERSITY COLLEGE LONDON   (United Kingdom)

^b MIDDLESEX UNIVERSITY   (United Kingdom)

^c UNIVERSITY OF SYDNEY   (Australia)

Author keywords

Brain imaging; EEG; EEG artefact; EIT; Epilepsy

Indexed keywords

BRAIN MAPPING; ELECTRIC IMPEDANCE MEASUREMENT; ELECTRIC IMPEDANCE TOMOGRAPHY; ELECTROENCEPHALOGRAPHY; HIGH PASS FILTERS; NEUROLOGY;

'CURRENT; BRAIN IMAGING; CURRENT SWITCHING; ELECTROENCEPHALOGRAM ARTIFACT; EPILEPSY SURGERY; FUNCTIONAL ELECTRICAL IMPEDANCE TOMOGRAPHIES; IMAGING METHOD; IMPEDANCE MEASUREMENT; REMOVAL SO; SEIZURE ONSET;

ELECTRIC IMPEDANCE;

EID: 78149349163     PISSN: 09673334     EISSN: 13616579     Source Type: Journal    
DOI: 10.1088/0967-3334/31/8/S05     Document Type: Article

References (24)

1. Allen P J, Josephs O and Turner R 2000 A method for removing imaging artifact from continuous EEG recorded during functional MRI Neuroimage 12 230-9
2. Allen P J, Polizzi G, Krakow K, Fish D R and Lemieux L 1998 Identification of EEG events in the MR scanner: the problem of pulse artifact and a method for its subtraction Neuroimage 8 229-39
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 20 752-64
4. Binnie C D, Rowan A and Gutter T 1982 The 10-20 system A Manual of Electroencephalographic Technology (Cambridge: Cambridge University Press) pp 325-31
5. Elazar Z, Kado R T and Adey W R 1966 Impedance changes during epileptic seizures Epilepsia 7 291-307
6. Eyuboglu B M, Brown B H, Barber D C and Seagar A D 1987 Localisation of cardiac related impedance changes in he thorax Clin. Phys. Physiol. Meas. 8 (Suppl. A) 167-73
7. Fabrizi L, Horesh L, McEwan A and Holder D S 2006a A feasibility study for imaging of epileptic seizures by EIT using a realistic FEM of the head 12th Conf. on Biomedical Application of EIT (Seoul, Korea)
8. Fabrizi L, Sparkes M, Horesh L, Perez-Juste Abascal J F, McEwan A, Bayford R H, Elwes R, Binnie C D and Holder D S 2006b Factors limiting the application of electrical impedance tomography for identification of regional conductivity changes using scalp electrodes during epileptic seizures in humans Physiol. Meas. 27 163-74
9. Frerichs I 2000 Electrical impedance tomography (EIT) in applications related to lung and ventilation: a review of experimental and clinical activities Physiol. Meas. 21 R1-21
10. Garreffa G et al 2003 Real-time MR artifacts filtering during continuous EEG/fMRI acquisition Magn. Reson. Imaging 21 1175-89
11. Gilad O and Holder D S 2009 Impedance changes recorded with scalp electrodes during visual evoked responses: implications for electrical impedance tomography of fast neural activity Neuroimage 47 514-22
12. Hinrichs H 1991 EEG data compression with source coding techniques J. Biomed. Eng. 13 417-23
13. Holder D S 2005 Electrical Impedance Tomography (Bristol: Institute of Physics Publishing)
14. Liston A D, Bayford R H, Tidswell A T and Holder D S 2002 A multi-shell algorithm to reconstruct EIT images of brain function Physiol. Meas. 23 105-19
15. Mangnall Y F, Baxter A J, Avill R, Bird N C, Brown B H, Barber D C, Seagar A D, Johnson A G and Read N W 1987 Applied potential tomography: a new non-invasive technique for assessing gastric function Clin. Phys. Physiol. Meas. 8 Suppl A 119-29
16. McEwan A, Romsauerova A, Yerworth R, Horesh L, Bayford R and Holder D 2006 Design and calibration of a compact multi-frequency EIT system for acute stroke imaging Physiol. Meas. 27 S199-210
17. Rao A 2000 Electrical Impedance Tomography of Brain Activity: Studies Into its Accuracy and Physiological Mechanisms (London: University College London)
18. Rao A, Gibson A and Holder D S 1997 EIT images of electrically induced epileptic activity in anaesthetised rabbits Med. Biol. Eng. Comp. 35 3274
19. Romsauerova A, McEwan A, Horesh L, Yerworth R, Bayford R H and Holder D S 2006 Multi-frequency electrical impedance tomography (EIT) of the adult human head: initial findings in brain tumours, arteriovenous malformations and chronic stroke, development of an analysis method and calibration Physiol. Meas. 27 S147-61
20. Sijbers J, Michiels I, Verhoye M, Van Audekerke J, Van der L A and Van Dyck D 1999 Restoration of MR-induced artifacts in simultaneously recorded MR/EEG data Magn. Reson. Imaging 17 1383-91
21. Tidswell A T, Gibson A, Bayford R H and Holder D S 2001a Validation of a 3D reconstruction algorithm for EIT of human brain function in a realistic head-shaped tank Physiol. Meas. 22 177-85
22. Tidswell T, Gibson A, Bayford R H and Holder D S 2001b Three-dimensional electrical impedance tomography of human brain activity Neuroimage 13 283-94
23. Van Harreveld A and Shade J P 1962 Changes in the electrical conductivity of cerebral cortex during seizure activity Exp. Neurol. 5 383-400
24. Yerworth R J, Bayford R H, Cusick G, Conway M and Holder D S 2002 Design and performance of the UCLH mark 1b 64 channel electrical impedance tomography (EIT) system, optimized for imaging brain function Physiol. Meas. 23 149-58