Brain Activity Sensors
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Review of technologies for brain activity detection and consumer EEG devices for registering brain activity
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Brain Activity Sensors
- 1. Brain Activity Sensors Prepared for Personal Analytics Meetup By Gene Leybzon, March 2015
- 3. EEG
- 6. dd Back to EEG • Alpha waves - 8-13 Hz • Beta waves - Greater than 13 Hz • Theta waves - 3.5-7.5 Hz • Delta waves - 3 Hz or less
- 7. EEG for sleep detection
- 9. Attention level Sleep Blink Mood (some correlation) Relaxation level What can be detected from EEG
- 11. EMOTIV • 14 EEG channels plus 2 • ~$400 Facial expressions: • Blink • Left wink • Right wink • Furrow (frown) • Raise brow (surprise) • Smile • Clench teeth (grimace) • Glance left • Glance right • Laugh • Smirk (left side) • Smirk (right side) Emotional States: • Instantaneous excitem • Long term excitement • Frustration • Engagement • Meditation
- 12. Open EEG $200-$400 Open Source Tools Generic Sensors
- 13. OpenBCI
- 14. Neurosky • Attention • Meditation • Blink Detection • Mental Effort • Familiarity • Appreciation
- 15. Muse 7 channel $300 Detects: • calm, • Neutral • active
Editor's Notes
- Invasive Partially Invasive Non-invasive signal acquisition
- Magnetoencephalography
- Magnetic resonance imaging
- Frequency, Amplitude, Location
- http://www.cse.aucegypt.edu/~rafea/CSCE590/Spring09/Mina/Real%20Time%20Emotion%20Detection%20using%20EEG.pdf
- https://emotiv.com/store/compare/
- http://openeeg.sourceforge.net/doc/
- 16 channel $600-$800
- $99
- http://www.choosemuse.com/