Title :
An on-line system for intraoperative focus localization from array electrocorticography
Author :
Barreto, Armando B. ; Principe, Jose C. ; Reid, Steven A.
Author_Institution :
Comput. Neuroeng. Lab., Florida Univ., Gainesville, FL, USA
Abstract :
A system for the intraoperative localization of the focus of epilepsy from array electrocorticography is presented. The spatio-temporal structure that characterizes the surface potential field during the occurrence of focal interictal events is discussed. The spatio-temporal Laplacian transformation is proposed for selectively emphasizing these occurrences. The implementation of the online localization system in a multiprocessor platform is outlined and detailed results from three surgery cases are shown
Keywords :
Laplace transforms; electroencephalography; medical signal processing; multiprocessing systems; patient diagnosis; surgery; array electrocorticography; epilepsy; focal interictal events; intraoperative focus localization; multiprocessor platform; online localization system; online system; spatiotemporal Laplacian; spatiotemporal structure; surface potential field; surgery cases; Condition monitoring; Electrodes; Electroencephalography; Epilepsy; Humans; Patient monitoring; Scalp; Skull; Surgery; Video recording;
Conference_Titel :
Southeastcon '94. Creative Technology Transfer - A Global Affair., Proceedings of the 1994 IEEE
Conference_Location :
Miami, FL
Print_ISBN :
0-7803-1797-1
DOI :
10.1109/SECON.1994.324348
