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Effect of electrode position on the effectiveness of multichannel electrical stimulation of the vestibular apparatus
Table 1 - Voltage U and phase shift relative to the stimulating electrode
Frequency, Hz | Ampulla 1 (A1) (anterior canal) | Ampulla 2 (A2) (horizontal canal) | Ampulla 3 (A3) (posterior canal) | Otoliths (SU) | ||||
φ, ° | U, mV | φ, ° | U, mV | φ, ° | U, mV | φ, ° | U, mV | |
300 | -29.8 | 86.0 | -31.7 | 144.0 | -37.0 | 196.0 | -16.4 | 168.0 |
-30.2 | 70.0 | -31.6 | 162.0 | -36.4 | 194.0 | -16.4 | 152.0 | |
-30.0 | 78.0 | -31.7 | 153.0 | -36.7 | 195.0 | -16.4 | 160.0 | |
1,000 | -35.1 | 118.0 | -26.7 | 192.0 | -19.7 | 268.0 | -15.0 | 194.0 |
-28.8 | 102.0 | -24.3 | 220.0 | 20.5 | 268.0 | -14.0 | 186.0 | |
-32.0 | 110.0 | -25.5 | 206.0 | -20.1 | 268.0 | -14.5 | 190.0 | |
1,500 | -30.9 | 136.0 | -24.8 | 212.0 | -14.7 | 276.0 | -10.9 | 204.0 |
-25.6 | 118.0 | -23.0 | 234.0 | -11.6 | 276.0 | -12.6 | 196.0 | |
-28.3 | 127.0 | -23.9 | 223.0 | -13.6 | 276.0 | -11.8 | 200.0 | |
2,000 | -29.1 | 140.0 | -15.8 | 228.0 | -10.6 | 280.0 | -18.1 | 204.0 |
-25.0 | 130.0 | -25.1 | 248.0 | -8.7 | 280.0 | -19.3 | 192.0 | |
-27.1 | 135.0 | -25.5 | 238.0 | -9.7 | 280.0 | -18.7 | 198.0 | |