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Virtual Reality visualization of live EEG data

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Presentation of a talk I gave at the Art of Neuroscience symposium in Amsterdam March 24th 2015. (http://aon.nin.knaw.nl/)

In the talk I present the project our team has made at the Hack the Brain hackathon (www.hackthebrain.nl). More information about the project can be found here: http://www.robindelange.com/hackthebrain/

Published in: Data & Analytics
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Virtual Reality visualization of live EEG data

  1. 1. ART OF NEUROSCIENCE 2015 Live visualization of EEG data in Virtual Reality Robin de Lange
  2. 2. Hack the Brain Universiteit Leiden www.robindelange.com
  3. 3. Hack the Brain - Program Public debate • Lectures by Pim Haselager, Victor Lamme and Arnon Grunberg Hackathon • 45 programmers, designers, artists and scientists • Teams with own projects • EEG scanners & FabLab facilities • Researchers from TNO and Donders Institute Universiteit Leiden www.robindelange.com
  4. 4. Hack the Brain – Brain Computer Interfaces A bit skeptical about BCIs 1. Many projects and devices tend to oversell • Really hard to measure mental events like emotions or thoughts 2. Many projects that detect electrical activity associated with moving a part of your body • Useful for physically disabled people • For others: why not use the native input and output modules?Universiteit Leiden www.robindelange.com
  5. 5. Hack the Brain - Output Universiteit Leiden www.robindelange.com
  6. 6. Hack the Brain - Output Universiteit Leiden www.robindelange.com
  7. 7. Hack the Brain - Media Universiteit Leiden www.robindelange.com
  8. 8. Project Brainstorm Universiteit Leiden www.robindelange.com
  9. 9. Project Brainstorm – Technical realization Universiteit Leiden www.robindelange.com
  10. 10. Project Brainstorm – Technical realization Universiteit Leiden www.robindelange.com
  11. 11. Project Brainstorm – Technical realization Universiteit Leiden www.robindelange.com
  12. 12. Project Brainstorm – Technical realization Universiteit Leiden www.robindelange.com
  13. 13. Challenges: 1. Understand the nature of the data and types of brain waves 2. Transform the data to be interpreted in different programming environments Universiteit Leiden www.robindelange.com Project Brainstorm – Technical realization
  14. 14. Project Brainstorm – Technical realization Universiteit Leiden www.robindelange.com • Matlab + Buffer BCI • Output: stream of amplitude of alpha waves per channel • In Unity3D  read out amplitudes and link them to the intensity of the visual effects
  15. 15. Project Brainstorm – Experience Universiteit Leiden www.robindelange.com DEMO
  16. 16. Project Brainstorm – Further development Universiteit Leiden www.robindelange.com Project created in three days, by people with little experience How to extend this project?
  17. 17. Project Brainstorm – Further development Universiteit Leiden www.robindelange.com • Potential of immersive data visualization • EEG data in form that is hard to understand for humans • Data visualization makes data easier to understand • Immersive data visualization uses 3D navigation skills
  18. 18. Project Brainstorm – Further development Universiteit Leiden www.robindelange.com Create a complete VR interface for studying EEG data • Improve data analysis and visualization • Selecting different brain waves • Interaction to optimize visualization
  19. 19. My research Universiteit Leiden www.robindelange.com Exploring how Augmented and Virtual Reality technologies can help us in understanding complex problems Generate ideas for applications of VR in different fields Elective: creating a VR prototype
  20. 20. Question s Universiteit Leiden www.robindelange.com ?

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