| device to measure brain waves | 0.13 | 0.7 | 4363 | 29 | 47 |
| what is used to measure brain waves | 0.64 | 0.2 | 7916 | 35 | 46 |
| measure brain waves equipment | 0.08 | 0.2 | 6879 | 29 | 98 |
| device that reads brain waves | 1.02 | 0.7 | 2305 | 29 | 68 |
| what machine measures brain waves | 0.11 | 0.5 | 8887 | 33 | 84 |
| what device scans brain waves | 0.19 | 0.6 | 3710 | 29 | 53 |
| brain wave monitoring device | 0.71 | 0.8 | 9741 | 28 | 82 |
| machines that read your brain waves | 0.2 | 0.9 | 4965 | 35 | 67 |
| what test measures brain waves | 0.95 | 1 | 2735 | 30 | 76 |
| machine used to record brain waves | 0.57 | 0.9 | 4235 | 34 | 8 |
| brain wave sensor device | 0.1 | 0.1 | 8668 | 24 | 65 |
| potential devices to measure brain activity | 1.13 | 0.8 | 3888 | 43 | 70 |
| test that records brain waves | 1.05 | 0.9 | 4304 | 29 | 66 |
| measure brain waves iphone | 1.18 | 0.6 | 7665 | 26 | 57 |
| brain wave frequency device | 1.13 | 0.4 | 7930 | 27 | 33 |
| machine that measures brain activity | 1.79 | 0.5 | 7257 | 36 | 57 |
| instrument for recording brain activity | 1.18 | 0.3 | 4736 | 39 | 12 |
