Table 2 Experimental parameters of SDT and SIAM sessions: Every SDT session was conducted two times, except for the two subgroups where a lower or higher relative humidity was applied to half of the SDT sessions
From: Human detection thresholds of DC, AC, and hybrid electric fields: a double-blind study
Procedure | Label | DC EF strength (kV/m) | AC EF strength (kV/m) | Ion current densities (nA/m2) | n trials (sham trials) |
|---|---|---|---|---|---|
SDT | DC | 14, 22, 30, 38 | - | - | 40 (20) |
DC_ION | 14, 22, 30, 38 | - | 80, 200, 300, 400 | 40 (20) | |
AC | - | 8, 16, 24, 30 | - | 40 (20) | |
H | 2, 8, 16, 24 | 4 | - | 40 (20) | |
H_ION | 18, 24 | 4 | 10 | 20 (10) | |
SIAM | DC | 4–44; init. at 20 | - | - | 11–76 (50%) |
AC | - | 4–30; init. at 14 | - | 8–68 (50%) | |
H | 4–44; init. at 20 | 4 | - | 11–70 (50%) |