Table 4.
Correlations between the frequency of RSA and respiration frequency, peak respiration and RSA frequencies, and amplitude of RSA as a function of atropine dose (in mg/kg−1 of individual’s weight).
| Atropine Dose | |||||
|---|---|---|---|---|---|
| Variables | 0 | .5 | 1 | 2 | 4 |
| RSA frequency/Respiration frequency (correlation) | .998 | .977 | .963 | .973 | .986 |
| Peak respiration frequency | .258 Hz. | .274 Hz. | .251 Hz. | .251 Hz. | .243 Hz. |
| Peak RSA frequency | .258 Hz | .273 Hz. | .248 Hz. | .250 Hz. | .242 Hz. |
| Amplitude of RSA (ln peak spectral density) | 10.6a | 10.3a | 9.6 | 7.2 | 5.3 |
a
Not significantly different.