Table 2 Evoked potentials associated with the SSAS
From: Clinical application of somatosensory amplification in psychosomatic medicine
EEG variables | Means (S.D.) and coefficienta to SSAS (signed) | |||
|---|---|---|---|---|
|  | Latency, msec | Amplitude, μV | ||
Somatosensory evoked potential | Â | Â | Â | Â |
   N9 | 9.5 (0.7) | (+) | 5.1 (2.3) | (-) |
   N9–N13 | 3.8 (0.6) | (+) | 1.8 (0.8) | (-) |
   N13–N20 | 5.8 (1.2) | (-) | 1.1 (0.7) | (+) |
   N20–P23 | 3.3 (1.2) | (-) | 1.2 (0.7) | (+) |
Auditory evoked potential | Â | Â | Â | Â |
   I | 1.5 (0.1) | (+) | 0.2 (0.1) | (-) |
   III | 3.7 (0.1) | (-) | 0.3 (0.1) | (-) |
   V | 5.6 (0.2) | (+) | 0.6 (1.3) | (-)* |
Visual evoked potential | Â | Â | Â | Â |
   N75 | 73.2 (10.1) | (-) | 3.3 (2.3) | (-) |
   P100 | 103.1 (10.3) | (+)* | 5.9 (2.3) | (-) |
   N145 | 138.0 (15.9) | (-) | 3.3 (1.7) | (-) |
Event-related potential | Â | Â | Â | Â |
   N100 | 111.5 (40.6) | (+) | 4.2 (2.1) | (-) |
   P200 | 180.3 (45.2) | (+)** | 2.9 (1.6) | (+) |
   N200 | 248.1 (51.7) | (+) | 4.4 (2.9) | (-) |
   P300 | 333.6 (70.7) | (+) | 2.7 (1.8) | (-)** |