Table 2.
Means (SEM) of performance are given for the control measures
| Sleep | Wake | |||||||
|---|---|---|---|---|---|---|---|---|
| d-cycloserine | Placebo | d-cycloserine | Placebo | |||||
| Stanford Sleepiness Scale | ||||||||
| Learning | 3.23 | (0.17) | 3.77 | (0.21) | 2.81 | (0.25) | 2.95 | (0.26) |
| Morning | 3.65 | (0.26) | 3.42 | (0.17) | 5.05 | (0.23) | 5.38 | (0.22) |
| Retrieval | 2.81 | (0.24) | 2.92 | (0.23) | 5.43 | (0.28) | 5.14 | (0.29) |
| Psychomotor vigilance task | ||||||||
| Learning | 3.74 | (0.07) | 3.70 | (0.07) | 3.73 | (0.09) | 3.74 | (0.09) |
| Retrieval | 3.82 | (0.08) | 3.78 | (0.07) | 3.60 | (0.09) | 3.55 | (0.08) |
| Multidimensional mood questionnaire | ||||||||
| Learning | ||||||||
| Positive mood | 16.88 | (0.51) | 16.46 | (0.66) | 17.29 | (0.44) | 17.05 | (0.41) |
| Tiredness | 12.19 | (0.47) | 11.07 | (0.58) | 13.90 | (0.64) | 13.14 | (0.60) |
| Calmness | 16.69 | (0.38) | 15.85 | (0.68) | 16.00 | (0.56) | 15.57 | (0.62) |
| Morning | ||||||||
| Positive mood | 16.08 | (0.66) | 17.00 | (0.50) | 13.19 | (0.65) | 11.76 | (0.73) |
| Tiredness | 12.46 | (0.77) | 14.08 | (0.59) | 8.19 | (0.74) | 6.90 | (0.64) |
| Calmness | 15.96 | (0.55) | 16.62 | (0.52) | 13.19 | (0.68) | 12.67 | (0.70) |
| Retrieval | ||||||||
| Positive mood | 16.15 | (0.84) | 15.92 | (0.76) | 13.48 | (0.75) | 13.24 | (0.70) |
| Tiredness | 12.85 | (0.81) | 13.08 | (0.70) | 7.00 | (0.69) | 6.67 | (0.64) |
| Calmness | 14.27 | (0.80) | 14.46 | (0.74) | 12.00 | (0.75) | 12.24 | (0.69) |
| Word fluency task | ||||||||
| Category | 19.35 | (1.27) | 18.58 | (0.95) | 16.71 | (0.98) | 17.24 | (0.98) |
| Letter | 17.96 | (0.85) | 18.35 | (1.01) | 15.14 | (1.14) | 15.67 | (0.79) |
Subjective sleepiness (Stanford Sleepiness Scale), objective vigilance (Psychomotor Vigilance Task), mood (Multidimensional mood questionnaire), and general retrieval performance (Word Fluency Test). Learning (after the original Learning phase), Morning (at ~07:15), Retrieval (after the Retrieval phase).