The Procedure for SPECT and BEAM Images Adjustment Visualisation of EEG Electrodes in SPECT Images

Goszczyńska, Hanna; Królicki, Leszek; Bajera, Adam; Zalewska, Ewa; Kowalczyk, Leszek; Walerjan, Piotr; Rysz, Andrzej; Kolebska, Krystyna

doi:10.2478/v10013-007-0010-9

Abstract

Preliminary results of research to devise a method allowing spatial alignment of BEAM maps obtained from EEG examinations with SPECT data are presented. The main concept of the method presented lies in simultaneous recording of multi-channel EEGs during SPECT examination, and also in visualizing location of EEG electrodes on SPECT images that provide spatial three dimensional coordinates assignment. The proposed methodology of simultaneous SPECT and EEG examinations could be a significant complement to results of epileptic focus localisation obtained with the ISAS method used for the last few years. The ISAS method allows localisation of focuses with 80% confidence, but it requires carrying out MRI examinations for alignment of compared anatomical structures on two SPECT images. Complementing these results with a BEAM map analysis would improve significantly the effectiveness of the examinations. This work presents results of experiments carried out on the Jaszczak phantom.

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The Procedure for SPECT and BEAM Images Adjustment Visualisation of EEG Electrodes in SPECT Images

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