Table 1 The parameters of stimuli.
From: Acoustical cues for perception of emotional vocalizations in rats
Mean frequency | Duration | FM index | ||||
|---|---|---|---|---|---|---|
similar | M ± SD (kHz) | similar | M ± SD (ms) | similar | M ± SD (10−3) | |
PC | — | 53.9 ± 7.4 | — | 33.4 ± 19.6 | — | 25.61 ± 25.78 |
DC | — | 21.0 ± 0.9 | — | 703.4 ± 236.7 | — | 8.73 ± 6.04 |
Probe A | PC | 53.9 ± 4.0 | PC | 36.6 ± 16.2 | DC | 7.22 ± 5.98 |
Probe B | PC | 56.2 ± 8.1 | DC | 622.7 ± 287.1 | PC | 22.55 ± 20.95 |
Probe C | PC | 54.5 ± 6.2 | DC | 683.0 ± 194.7 | DC | 12.34 ± 4.69 |
Probe D | DC | 19.2 ± 2.8 | PC | 41.7 ± 22.1 | PC | 24.20 ± 24.45 |
Probe E | DC | 20.3 ± 0.2 | PC | 35.9 ± 19.2 | DC | 11.07 ± 6.89 |
Probe F | DC | 21.5 ± 2.2 | DC | 771.5 ± 309.0 | PC | 26.85 ± 22.25 |