Towards Online Functional Brain Mapping and Monitoring During Awake Craniotomy Surgery Using ECoG-Based Brain-Surgeon Interface (BSI)

Part of the SpringerBriefs in Electrical and Computer Engineering book series (BRIEFSELECTRIC)


During brain surgery, functional brain mapping is critical, and the time needed for the procedure should be reduced to the minimum in order to avoid risks for the patient. In this project, we extend the traditional concept of BCI for communication and control between brain and external devices, to the concept of Brain-Surgeon Interface (BSI) in order to establish an interactive channel between the patient’s brain and the surgeon, with the ultimate goal of a high quality and precise brain surgery. Compared with “intraoperative fMRI”, which is expensive and time-consuming, or cortical electrical stimulation, which may cause epilepsy and brain swelling during the surgery, the proposed ECoG-based BSI system works in an online scenario, and the mapping time can be significantly reduced to a half minute for both motor and sensory cortex. Three signal modalities were used for functional brain mapping: movement related cortical potential, steady-state somatosensory evoked potential, event-related (de)synchronization. The proposed BSI system may provide a considerable advantage for clinical brain surgery applications.


Brain- surgeon interface Brain surgery MRCP Oscillatory dynamics SSSEP ECoG 


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Copyright information

© The Author(s) 2017

Authors and Affiliations

  1. 1.Department of Systems Design EngineeringUniversity of WaterlooWaterlooCanada
  2. 2.State Key Lab of Mechanical System and VibrationShanghai Jiao Tong UniversityShanghaiChina
  3. 3.Department of NeurosurgeryHuashan Hospital, Fudan UniversityShanghaiChina
  4. 4.Shenzhen Institutes of Advanced Technology Chinese Academy of ScienceBeijingChina
  5. 5.Universita Di BresciaBrescia, LombardyItaly
  6. 6.Department of Health Science and TechnologyCenter for Sensory-Motor Interaction, Aalborg UniversityAalborgDenmark
  7. 7.Department of BioengineeringImperial College LondonLondonUK

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