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

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; 13 years ago NeuroSky
Mindflex (Uses NeuroSky chips) $50 [11] 1[12] 12 1 mental state No No 21 December 2009; 14 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; 14 years ago Emotiv Systems
Emotiv Insight $299 [18] 5[19] 14 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; 14 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; 17 years ago NeuroSky
Mindball $20,000 [24] 1[25]  ? 1 mental state No No 21 March 2003; 21 years ago Interactive Productline
XWave headset (uses NeuroSky chips) $90 [26] 1 12 8 EEG bands Yes Yes 5 January 2011; 13 years ago (Windows and iOS apps available now, Android app available soon[27]) PLX Devices Bluetooth Designed to look like a normal sports headband, no longer available
XWave Sonic (uses NeuroSky chips) $100 [28] 1 12  ?  ?  ? iOS apps available now PLX Devices Bluetooth Discontinued
MyndPlay BrainBand (Uses NeuroSky chips [29]) $158[30] 1 12 8 EEG bands Yes Yes 1 December 2011; 12 years ago MyndPlay Bluetooth Soft headband, uses conductive gel for ear-clip
Muse $299[31] 4 16 7 sensors; 5 front (2 active, 2 DRL, 1 reference), 2 active behind ears [32] ? Yes Shipped April 2014 InteraXon Bluetooth Comes with brain training app designed to reduce stress and improve focus.[33]
OpenBCI $449[34] or $799[35] 8 or 16 per board 24 Yes Yes Shipped to general public Dec 2014 OpenBCI project Bluetooth 4.0 Open hardware project. Boards can be daisy chained together to increase electrode count.

Open-source projects

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.[36] Emokit has been deprecated in favour of emokit.[37]

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.[38]

OpenVibe is a LGPL software platform (C++) to design, test and use BCI.[39] 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.[40][41]

The openEEG project[42] has developed several open hardware EEG devices.

OpenBCI [43] ran a successful Kickstarter crowd-funding campaign in January, 2014, and shipped its open-hardware signal acquisition boards to the public (and released its open-source software) in December.

Technology

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.

The OpenBCI board can acquire electroencephalography (EEG, electrical activity of the brain), electromyography (EMG, electrical activity of skeletal muscles), and electrocardiography (ECG or EKG, electrical activity of the heart) data.

References

  1. ↑ Lua error in package.lua at line 80: module 'strict' not found.
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  8. ↑ 8.0 8.1 Lua error in package.lua at line 80: module 'strict' not found.
  9. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  10. ↑ NeuroSky Developers open source SDK
  11. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  12. ↑ 12.0 12.1 12.2 12.3 Lua error in package.lua at line 80: module 'strict' not found.
  13. ↑ Lua error in package.lua at line 80: module 'strict' not found.
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  15. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  16. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  17. ↑ Emokit open source SDK
  18. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  19. ↑ 19.0 19.1 Lua error in package.lua at line 80: module 'strict' not found.
  20. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  21. ↑ Lua error in package.lua at line 80: module 'strict' not found.
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  26. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  27. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  28. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  29. ↑ Lua error in package.lua at line 80: module 'strict' not found.
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  32. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  33. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  34. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  35. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  36. ↑ Python library for the Emotiv EPOC headset on Github
  37. ↑ daeken/Emokit has been deprecated in favour of qdot/emokit on GitHub
  38. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  39. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  40. ↑ Lua error in package.lua at line 80: module 'strict' not found.
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  42. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  43. ↑ Lua error in package.lua at line 80: module 'strict' not found.

External links

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