. | Test frequency (Hz) . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Group* . | 50 . | . | 100 . | . | 200 . | . | 300 . | . | 500 . | . | 800 . | . | 1000 . | . | |||||||||||||
G1 | 85 | +2.22 | 98 | +1.19 | 97 | +1.37 | 102 | +1.13 | 114 | +0.72 | 132 | +1.74 | NR | ||||||||||||||
—2.99 | —1.37 | —1.63 | —1.31 | —0.79 | —2.18 | ||||||||||||||||||||||
G2 | 80 | +1.56 | 91 | +1.34 | 97 | +1.83 | 97 | +1.10 | 115 | +2.20 | 126 | +0.86 | NR | ||||||||||||||
—1.90 | —1.59 | —2.33 | —1.26 | —2.95 | —0.96 | ||||||||||||||||||||||
G3 | 77 | +1.24 | 89 | +1.24 | 97 | +2.52 | 101 | +1.49 | 117 | +1.99 | 130 | +1.48 | 132 | +1.03 | |||||||||||||
—1.44 | —1.45 | —3.56 | —1.79 | —2.59 | —1.78 | —1.17 | |||||||||||||||||||||
G4 | 77 | +2.07 | 87 | +0.78 | 98 | +1.29 | 100 | +0.19 | 115 | +0.08 | 120 | +0.12 | 120 | +0.41 | |||||||||||||
—2.72 | —0.85 | —1.52 | —0.19 | —0.09 | —0.12 | —0.43 | |||||||||||||||||||||
G5 | 77 | +1.96 | 91 | +1.03 | 98 | +0.11 | 102 | +0.25 | 111 | +0.24 | 117 | +0.24 | 121 | +0.61 | |||||||||||||
—2.53 | —1.17 | —0.11 | —0.25 | —0.24 | —0.25 | —0.65 |
. | Test frequency (Hz) . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Group* . | 50 . | . | 100 . | . | 200 . | . | 300 . | . | 500 . | . | 800 . | . | 1000 . | . | |||||||||||||
G1 | 85 | +2.22 | 98 | +1.19 | 97 | +1.37 | 102 | +1.13 | 114 | +0.72 | 132 | +1.74 | NR | ||||||||||||||
—2.99 | —1.37 | —1.63 | —1.31 | —0.79 | —2.18 | ||||||||||||||||||||||
G2 | 80 | +1.56 | 91 | +1.34 | 97 | +1.83 | 97 | +1.10 | 115 | +2.20 | 126 | +0.86 | NR | ||||||||||||||
—1.90 | —1.59 | —2.33 | —1.26 | —2.95 | —0.96 | ||||||||||||||||||||||
G3 | 77 | +1.24 | 89 | +1.24 | 97 | +2.52 | 101 | +1.49 | 117 | +1.99 | 130 | +1.48 | 132 | +1.03 | |||||||||||||
—1.44 | —1.45 | —3.56 | —1.79 | —2.59 | —1.78 | —1.17 | |||||||||||||||||||||
G4 | 77 | +2.07 | 87 | +0.78 | 98 | +1.29 | 100 | +0.19 | 115 | +0.08 | 120 | +0.12 | 120 | +0.41 | |||||||||||||
—2.72 | —0.85 | —1.52 | —0.19 | —0.09 | —0.12 | —0.43 | |||||||||||||||||||||
G5 | 77 | +1.96 | 91 | +1.03 | 98 | +0.11 | 102 | +0.25 | 111 | +0.24 | 117 | +0.24 | 121 | +0.61 | |||||||||||||
—2.53 | —1.17 | —0.11 | —0.25 | —0.24 | —0.25 | —0.65 |
Values are mean ± s.e.m.
Group G1, SL=2.8—3.8 cm (N=6); G2, SL=5.4—6.6 cm (N=6); G3, SL=8.0—10.2 cm(N=7); G4, SL=12.4—15.3 cm (N=6); G5, SL=20.2—31.8 cm (N=9). NR, no response