NDLI: cortiQ - Clinical software for electrocorticographic real-time functional mapping of the eloquent cortex

Content Provider	IEEE Xplore Digital Library
Author	Prueckl, R. Kapeller, C. Potes, C. Korostenskaja, M. Schalk, G. Lee, K.H. Guger, C.
Copyright Year	2013
Description	Author affiliation: Wadsworth Center, New York State Dept. of Health, Albany, NY, USA (Potes, C.; Schalk, G.) \|\| Functional Brain Mapping & Brain Comput. Interface Lab., Florida Hosp. for Children, Orlando, FL, USA (Korostenskaja, M.; Lee, K.H.) \|\| g.tec Guger Technol. OG, Schiedlberg, Austria (Prueckl, R.; Kapeller, C.; Guger, C.)
Abstract	Planning for epilepsy surgery depends substantially on the localization of brain cortical areas responsible for sensory, motor, or cognitive functions, clinically also known as eloquent cortex. In this paper, we present the novel software package `cortiQ' that allows clinicians to localize eloquent cortex, thus providing a safe margin for surgical resection with a low incidence of neurological deficits. This software can be easily used in addition to traditional mapping procedures such as the electrical cortical stimulation (ECS) mapping. The software analyses task-related changes in gamma activity recorded from implanted subdural electrocorticography electrodes using extensions to previously published methods. In this manuscript, we describe the system's architecture and workflow required to obtain a map of the eloquent cortex. We validate the system by comparing our mapping results with those acquired using ECS mapping in two subjects. Our results indicate that cortiQ reliably identifies eloquent cortex much faster (several minutes compared to an hour or more) than ECS mapping. Next-neighbour analyses show that there are no false positives and an average of 1.24% false negatives.
Starting Page	6365
Ending Page	6368
File Size	488933
Page Count	4
File Format	PDF
ISBN	9781457702167
ISSN	1557170X
DOI	10.1109/EMBC.2013.6611010
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-07-03
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electrodes Software Surgery Epilepsy Real-time systems Brain Hospitals
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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cortiQ - Clinical software for electrocorticographic real-time functional mapping of the eloquent cortex