| Creator | Release | Electrodes | Other Sensors | Movements | Estimated Cost | SDK | |
|---|---|---|---|---|---|---|---|
| EPOC | Emotiv | Summer 2009[1][2] | 16 | Two-axis gyros for measuring head rotation | 13 (6 directions and 6 rotations plus 1 other visualization e.g. disappear) | $299 or free for early-bird and special users | Yes |
| NIA | OCZ | May 2008 | 3 (front) | Ocular sensors | Multiple mapped profiles | $160 retail | No |
| ThinkGear | NeuroSky | March 2007 | 1 | - | - | business to business only, ~$10 in volume quantity | Yes |
Technology[]
All of these (unless otherwise stated) use EEG as their primary method of neuroimaging for use in the devices.
Cost-comparison[]
These consumer-devices are in the hundreds or less, whereas most medical EEG machines cost between $50,000 and $250,000[3].