OpenBCI what it can do, what weve done Outline Demo of OpenBCI - PowerPoint PPT Presentation

OpenBCI what it can do, what we’ve done

Outline ● Demo of OpenBCI ● What is BCI? ● EEG Toolbox ● Future Goals ● Community

Demo of OpenBCI

What is BCI? Brain-Computer Interface “Direct communication pathway between the brain and an external device” (Wikipedia)

Applications

How does it work?

BCI Types Our focus (so far) Others ● SSVEP ● Event related potentials ● Motor imagery ● Slow cortical potentials ● Neurofeedback

SSVEP Steady State Visually Evoked Potentials

Motor Imagery Wang, Y., Gao, S., & Gao, X. (2006, January). Common spatial pattern method for channel selection in motor imagery based brain-computer interface. Achieved >90% accuracy classifying right hand vs right foot imagery with 4 electrodes!

EEG Toolbox ● Our 1st Step towards BCI Application ○ but it’s also a toolbox ○ and it’s all written in python ○ and it’s open source

EEG Toolbox ● Data collection and tagging ● Interface ● Plots ● Paradigms ○ SSVEP ○ Motor Imagery

Data Logging and Tagging ● Easily collect raw labeled data! ● Accurate labels

Interface Super Simple Gui

EEG Toolbox: Plots

EEG Toolbox: SSVEP

EEG Toolbox: Motor Imagery ● Stimuli (adjustable) ○ Feet ○ Tongue ○ Left hand ○ Right hand

Future Goals Clean, simple documentation for More advanced UI Add classification algorithms Web-Based Software Services developers and researchers.

Community Collaborators

Ways to Get Involved If you can do If not, come learn with us! ● Web/Python UIs We learned a lot as we ● Signal Processing did this, so don’t worry! ● Machine Learning ● Neuroscience ...help us develop this further!