Behavioral data
| Placebo before scan | Placebo after/during scan | Oxytocin before scan | Oxytocin after/during scan | t test (after/during scanning) | |
|---|---|---|---|---|---|
| Faces task | |||||
| Accuracy (%) | 98.8% (13.3) | 99.1% (1.7) | p = 0.77 | ||
| Reaction time (ms) | 1094 (205) | 1105 (194) | p = 0.91 | ||
| Scene task | |||||
| Accuracy (%) | 99.7% (1.0) | 100% (0.0) | p = 1.00 | ||
| Reaction time (ms) | 898 (171) | 899 (140) | p = 0.99 | ||
| STAXIa | |||||
| State | 10.1 (0.4) | 10.2 (0.8) | 10.6 (1.8) | 10.3 (0.8) | p = 0.33 |
| Trait | 17.7 (3.8) | 18.3 (3.6) | p = 0.23 | ||
| MDBFb | |||||
| Arousal | 31.3 (6.3) | 34.1 (6.0) | 33.9 (4.8) | 34.1 (6.8) | p = 0.96 |
| Wakefulness | 30.1 (9.2) | 24.1 (8.9) | 32.5 (6.6) | 26.2 (7.4) | p = 0.28 |
| Emotional valencec | 34.2 (4.8) | 35.0 (4.5) | 35.5 (3.7) | 35.6 (5.4) | p = 0.56 |
| SAMd | |||||
| Arousal | 3.7 (0.98) | 4.3 (0.70) | 3.8 (0.68) | 4.1 (0.96) | p = 0.42 |
| Dominance | 3.5 (0.64) | 3.6 (0.63) | 3.8 (0.56) | 3.6 (0.83) | p = 1.00 |
| Emotional valencec | 1.9 (0.92) | 1.5 (0.64) | 1.6 (0.51) | 1.7 (0.80) | p = 0.04 |
A nominally significant reduction in valence in the SAM was not seen in the MDBF. The mean (SD) is shown. ANOVA of drug-by-time of application interactions did not identify any significant effects. Wakefulness (MDBF) was significantly reduced after the scan.
↵ a Data are from Spielberger (1988).
↵ b One subject failed to fill out a questionnaire for the MDBF (Steyer et al., 1994).
↵ c Higher equals more positive.
↵ d Data are from Bradley and Lang (1994).