Treatment | Frequency (Hz) | |
---|---|---|
20 min exposure | 60 min exposure | |
Con | 0.99 ± 0.05 (21) | 0.96 ± 0.05 (21) |
HS | 1.07 ± 0.04 (17) | 1.02 ± 0.06 (15) |
DA 10−4m | Not tested | 0.85 ± 0.09 (10) |
TA 10−4m | Not tested | 0.92 ± 0.08 (10) |
OA 10−5m | 1.14 ± 0.08 (8) | Not tested |
OA 10−4m | 1.21 ± 0.06 (8)* | 1.09 ± 0.06 (13) |
OA 10−3m | 1.28 ± 0.06 (8)* | Not tested |
EP 10−6m | 0.89 ± 0.06 (10) | 0.90 ± 0.05 (10) |
Values are mean ± SE (n). The asterisk indicates significant differences from Con (p < 0.05).