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E.R.I.C.A.
Electroencephalographic Resuscitation Index Computer Aided
Gianluca.Moro @ unipd.it
Technical Overview
http://www.giammy.com/files/bci.pdf
The Goal:
An Open and low cost
solution for
EEG monitoring in
Pediatric ICU
EEG reading: the challenge
EEG reading: what is it?
EEG reading: almost clear
Clear! But ... the meaning???
Professional Setup
Consumer Setup
+
Professional vs. Consumer
Quality/Cost
Professional Consumer
Application
Professional YES Work in progress
Consumer WHY? YES
Project Overview: the Goal
• Where: Pediatric ICU
• Usage: Continuous bedside EEG monitoring
• Requests:
– Medical validation
– Available for each patient
– Low cost
– Easy to use
Project Overview: the final setup
• EEG:
– dry sensor technology
– Setup easy and confortable
• User Interface
– Usable by nurse and even relatives
– Inspired to ASG (Augmentative Serious Game)
theory
Current choices
• EEG:
– Emotiv Epoc
• User Interface
– Linux PC or Android tablet
+
A feasibility test
• EEG acquisition device: Emotiv Epoc
• Preelaboration: Linux box
• TCP/IP communication channel to
– OpenVibe
– Matlab
– Android
– …
• Elaboration
• The question is: can Emotiv record evoked potential?
Acquisition device
• Emotiv Epoc
– Dry sensors, wireless connection
– HID (Human Interface Device) standard
communication protocol
– Packet encrypted (AES)
– Raw data stream available via SDK
– Independent/unofficial projects (EmoKit) exists on
the web to decode the realtime stream
Preprocess
• Realtime acquisition box: a box used to acquire
realtime data and send to the desired application for
analysis or other:
– a linux box (HID is supported in default kernel)
– data decoding
– Open a TCP/IP socket for data streaming to
the application
Process
• When data are available, can be sent to
specific software …
– OpenVive (to test EEG elaboration algorithms)
– MatLab (with the EEGlab suite)
– Quick and dirty Python tests :-)
– Android specific app
… to OpenVibe
Emotiv data acquired and visualized with OpenVibe
… to EEGlab
Data imported to EEGlab, with Oddball paradigm events
Oddball paradigm in Python
2 seconds acquisition around a rare event (sample 128): a P300 evoked potential?
Conclusion
• We can setup a measure chain from data to elaboration
• With consumer devices and open source or commercial tools
• For details: http://www.giammy.com/files/bci.pdf
• Can Emotiv record a P300 evoked potential?
• Ready to pass on to neurological signal elaboration experts!

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Erica geneva-moro

  • 1. E.R.I.C.A. Electroencephalographic Resuscitation Index Computer Aided Gianluca.Moro @ unipd.it Technical Overview http://www.giammy.com/files/bci.pdf
  • 2. The Goal: An Open and low cost solution for EEG monitoring in Pediatric ICU
  • 3. EEG reading: the challenge
  • 6. Clear! But ... the meaning???
  • 9. Professional vs. Consumer Quality/Cost Professional Consumer Application Professional YES Work in progress Consumer WHY? YES
  • 10. Project Overview: the Goal • Where: Pediatric ICU • Usage: Continuous bedside EEG monitoring • Requests: – Medical validation – Available for each patient – Low cost – Easy to use
  • 11. Project Overview: the final setup • EEG: – dry sensor technology – Setup easy and confortable • User Interface – Usable by nurse and even relatives – Inspired to ASG (Augmentative Serious Game) theory
  • 12. Current choices • EEG: – Emotiv Epoc • User Interface – Linux PC or Android tablet +
  • 13. A feasibility test • EEG acquisition device: Emotiv Epoc • Preelaboration: Linux box • TCP/IP communication channel to – OpenVibe – Matlab – Android – … • Elaboration • The question is: can Emotiv record evoked potential?
  • 14. Acquisition device • Emotiv Epoc – Dry sensors, wireless connection – HID (Human Interface Device) standard communication protocol – Packet encrypted (AES) – Raw data stream available via SDK – Independent/unofficial projects (EmoKit) exists on the web to decode the realtime stream
  • 15. Preprocess • Realtime acquisition box: a box used to acquire realtime data and send to the desired application for analysis or other: – a linux box (HID is supported in default kernel) – data decoding – Open a TCP/IP socket for data streaming to the application
  • 16. Process • When data are available, can be sent to specific software … – OpenVive (to test EEG elaboration algorithms) – MatLab (with the EEGlab suite) – Quick and dirty Python tests :-) – Android specific app
  • 17. … to OpenVibe Emotiv data acquired and visualized with OpenVibe
  • 18. … to EEGlab Data imported to EEGlab, with Oddball paradigm events
  • 19. Oddball paradigm in Python 2 seconds acquisition around a rare event (sample 128): a P300 evoked potential?
  • 20. Conclusion • We can setup a measure chain from data to elaboration • With consumer devices and open source or commercial tools • For details: http://www.giammy.com/files/bci.pdf • Can Emotiv record a P300 evoked potential? • Ready to pass on to neurological signal elaboration experts!