Table 1 Call parameters (mean peak frequency, mean call duration and mean peak amplitude) of representative call subtypes during stroking
From: Stroking stimulation of the skin elicits 50-kHz ultrasonic vocalizations in young adult rats
Harmonic flat | Stepdown | Split | Flat | |
|---|---|---|---|---|
Mean peak frequency (kHz) | 39.5 ± 7.3 | 41.2 ± 7.1 | 39.9 ± 7 | 48.5 ± 6.4 |
Mean call duration (ms) | 117.6 ± 56.7 | 176.6 ± 71.1** | 178.5 ± 38.4** | 43.8 ± 17.2 |
Mean peak amplitude (dB) | − 30.4 ± 7.4 | − 35.7 ± 10.2 | − 38.6 ± 9.7 | − 42.2 ± 3.3 |
Mean peak amplitude (%) | 100 | 40.9 ± 20.4## | 42.2 ± 25.9## | 27.9 ± 14.0## |