Comparison of consumer brain–computer interfaces

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This is a comparison of brain-computer interface devices available on the consumer market.

Comparison[edit]

Device Price Electrodes ADC bits Sensors Interpret: Peripheral SDK Released Producer Interface Notes
Aurora Dream Headband $199[1] 1 8 frontal EEG/EOG sensor, open SDK, embedded 4-stage sleep tracking, 2 LEDs near the eyes Yes Yes July 2015 iwinks Bluetooth Low Energy / USB / SD Card Consumer Sleep Device
Melon Headband $149 4  ? L+R hemisphere prefrontal EEG Yes Nov 2014 Melon Bluetooth Low Energy A headband and mobile app to measure your focus


HiBrain $230[2] 1  ? 9 mental states, facial tension, eye movement & quiet eye [3] Yes Yes SEP 2014 HyperNeuro Bluetooth or RF Healthcare. Golden alloy active electrode.
iFocusBand $310[4] 1  ? 8 mental states, facial tension, eye movement & quiet eye [5] Yes Yes October 2014 iFocusBand Bluetooth Soft woven sensors, audio feedback.
MindWave $99.95 [6] 1[7] 12 2 mental states (based on 4 brainwaves), eyeblinks[8] Yes Yes[9][10] 21 March 2011; 4 years ago NeuroSky
Mindflex (Uses NeuroSky chips) $50 [11] 1[12] 12 1 mental state No No 21 December 2009; 5 years ago Mattel (Neurosky partner[12]
Emotiv EPOC $399-499 [13] 14[14] 16 3 mental states (based on brainwaves), 13 conscious thoughts, facial expressions, head movements (sensed by 2 gyros)[15] Yes Yes[16][17] 21 December 2009; 5 years ago Emotiv Systems
Emotiv Insight $299 [18] 5[19] 16 Yes Expected Expected April 2015 Emotiv Lifescience Bluetooth 4.0 LE.[19]
Star Wars Force Trainer (based on NeuroSky chips) $45 [20] 1 [12] 12 1 mental state No No 21 June 2009; 6 years ago Uncle Milton (Neurosky partner[12] Discontinued
MindSet $199 [21] 1[22] 12 2 mental states (based on 4 brainwaves), eyeblinks[8] Yes Yes[23] March 2007; 8 years ago NeuroSky
Neural Impulse Actuator $90 [24] 3[25] 24 2 brainwaves (Alpha & Beta), facial muscle and eye movements Yes Yes[26] May 2008; 7 years ago; No longer being manufactured (EOL).[1] OCZ Technology
Mindball $20,000 [27] 1[28]  ? 1 mental state No No 21 March 2003; 12 years ago Interactive Productline
XWave headset (uses NeuroSky chips) $90 [29] 1 12 8 EEG bands Yes Yes 5 January 2011; 4 years ago (Windows and iOS apps available now, Android app available soon[30]) PLX Devices Bluetooth Designed to look like a normal sports headband, no longer available
XWave Sonic (uses NeuroSky chips) $100 [31] 1 12  ?  ?  ? iOS apps available now PLX Devices Bluetooth Discontinued
MyndPlay BrainBand (Uses NeuroSky chips [32]) $158[33] 1 12 8 EEG bands Yes Yes 1 December 2011; 3 years ago MyndPlay Bluetooth Soft headband, uses conductive gel for ear-clip
Muse $299[34] 4 16 7 sensors; 5 front (2 active, 2 DRL, 1 reference), 2 active behind ears [35] ? Yes Shipped April 2014 InteraXon Bluetooth Comes with brain training app designed to reduce stress and improve focus.[36]
OpenBCI $449[37] or $799[38] 8 or 16 per board 24 Yes Yes Expected mid-October 2014 OpenBCI project Bluetooth 4.0 Open hardware project. Boards can be daisy chained together to increase electrode count.

Open-source projects[edit]

Emokit is an open-source Python library for reading out sensor data from the EPOC (Emotiv Systems) by Cody Brocious. It was built by reverse-engineering the encrypted protocol.[39] Emokit has been deprecated in favour of emokit.[40]

In 2011 Make magazine published an article on hacking NeuroSky headsets. In 2012 Hack a Day published an article on modifying NeuroSky headsets for sleep and dream research.

Open-source Matlab toolboxes such as EEGLAB, Fieldtrip, and the Neurophysiological Biomarker Toolbox (NBT) can be used to process data from the electroencephalography. The Fieldtrip toolbox also offers a real-time plugin.[41]

OpenVibe is a LGPL software platform (C++) to design, test and use BCI.[42] The software comes with an acquisition server that is currently compatible with many EEG device including Neurosky Mindset, Emotiv EPOC (Research Edition or above) and OpenEEG. The software is developed at INRIA.

Several open-source computer programs are also available from EPFL's CNBI project.[43][44]

The openEEG project[45] has developed several open hardware EEG devices while the OpenBCI project[46] plans to release an open hardware device in 2014.

Technology[edit]

All of the devices listed use electroencephalography except the Neural Impulse Actuator which only uses electromyography. Some use both electroencephalography and electromyography, such as the BrainBand MindWave, EPOC, and MindSet.

References[edit]

  1. ^ "iwinks one the web". iwinks. 
  2. ^ "What is the retail cost?". HiBrain. 
  3. ^ "How many sensors does the HiBrain have?". 
  4. ^ "What is the retail cost?". iFocusBand. 
  5. ^ "How many sensors does the iFocusBand have?". 
  6. ^ "MindWave Store". Store.neurosky.com. Retrieved 2012-11-01. 
  7. ^ "MindWave". Store.neurosky.com. Retrieved 2012-11-01. 
  8. ^ a b "NeuroSky Technology". Company.neurosky.com. Retrieved 2012-11-01. 
  9. ^ "NeuroSky Do It Yourself". Neurosky.com. Retrieved 2012-11-01. 
  10. ^ NeuroSky Developers open source SDK
  11. ^ "Google Products MindFlex". Google.com. Retrieved 2012-11-01. 
  12. ^ a b c d "Neurosky Partners". Neurosky.com. Retrieved 2012-11-01. 
  13. ^ "Buy Epoc". Emotiv.com. Retrieved 2014-08-15. 
  14. ^ "Emotiv headset". Emotiv.com. Retrieved 2012-11-01. 
  15. ^ "Emotive Official Website". Emotiv.com. Retrieved 2012-11-01. 
  16. ^ "Emotiv SDK". Emotiv.com. Retrieved 2012-11-01. 
  17. ^ Emokit open source SDK
  18. ^ "Insight Detail". Emotiv.com. Retrieved 2014-08-15. 
  19. ^ a b "Emotiv Insight product sheet" (PDF). 
  20. ^ "Google Products Force Trainer". Google.com. Retrieved 2012-11-01. 
  21. ^ "NeuroSky Mindset". Store.neurosky.com. Retrieved 2012-11-01. 
  22. ^ "NeuroSky MindSet". Neurosky.com. Retrieved 2012-11-01. 
  23. ^ "NeuroSky Developer". Developer.neurosky.com. Retrieved 2012-11-01. 
  24. ^ "Google Products NIA". Google.com. Retrieved 2012-11-01. 
  25. ^ "OCZ Peripherals - Neural Impulse Actuator". Ocztechnology.com. Retrieved 2012-11-01. 
  26. ^ "pynia, a Python interface to OCZ's Neural Impulse Actuator". Code.google.com. Retrieved 2012-11-01. 
  27. ^ Weigel, David. "Bowling With Brain Waves". Slate.com. Retrieved 2012-11-01. 
  28. ^ "Mindball Accessories". Mindball.se. Retrieved 2012-11-01. 
  29. ^ "Products | PLX Devices Inc - USA". Plxwave.com. Retrieved 2012-11-01. 
  30. ^ "Products | PLX Devices Inc - USA". Plxwave.com. Retrieved 2012-11-01. 
  31. ^ "Products | PLX Devices Inc - USA". Plxwave.com. Retrieved 2012-11-01. 
  32. ^ http://myndplay.com/products.php?prod=9
  33. ^ http://myndplay.com/products.php?prod=7
  34. ^ "What is the retail cost?". Interaxon. 
  35. ^ "How many sensors does the Muse have?". 
  36. ^ http://www.choosemuse.com
  37. ^ http://openbci.myshopify.com/collections/frontpage/products/openbci-32-bit-board-kit
  38. ^ http://openbci.myshopify.com/collections/frontpage/products/openbci-16-channel-r-d-kit
  39. ^ Python library for the Emotiv EPOC headset on Github
  40. ^ daeken/Emokit has been deprecated in favour of qdot/emokit on GitHub
  41. ^ http://fieldtrip.fcdonders.nl/development/realtime.  Missing or empty |title= (help)
  42. ^ home of the OpenViBE software
  43. ^ EPFL CNBI project
  44. ^ EPFL CNBI project
  45. ^ "OpenEEG project". 
  46. ^ "OpenBCI". 

External links[edit]

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