Table 3.
Summary of raw POMS subscale scores
| Time point, mean (SEM) | ||||||
|---|---|---|---|---|---|---|
|
|
||||||
| POMS Item | Laboratory entry (evening baseline) | Before AA mixture | 4 h postingestion (pretasks) | 5 h postingestion (midtasks) | 6 h postingestion (posttasks) | 6.5 h postingestion (post-NMI) |
| Composed–anxious | ||||||
| Dim light condition | ||||||
| BAL | 56.8 (2.0) | 57.9 (2.2) | 60.0 (2.5) | 56.9 (2.5) | 57.5 (2.4) | 54.9 (2.3) |
| APTD | 60.1 (2.3) | 57.9 (2.3) | 59.2 (2.6) | 55.5 (2.3) | 55.4 (2.5) | 53.6 (2.2) |
| Bright light condition | ||||||
| BAL | 61.4 (2.3) | 61.6 (2.1) | 61.1 (2.0) | 61.3 (2.3) | 59.6 (2.1) | 57.4 (2.2) |
| APTD | 60.3 (2.7) | 60.1 (2.1) | 61.6 (2.1) | 58.8 (2.3) | 60.1 (2.5) | 56.0 (2.3) |
| Confident–unsure | ||||||
| Dim light condition | ||||||
| BAL | 53.9 (1.7) | 54.4 (1.7) | 51.3 (1.7) | 50.8 (1.9) | 52.6 (1.9) | 46.0 (2.2) |
| APTD | 54.8 (2.3) | 53.6 (2.3) | 51.1 (1.9) | 49.3 (1.9) | 48.8 ( 1.9) | 45.6 (2.3) |
| Bright light condition | ||||||
| BAL | 56.4 (1.3) | 52.9 (1.2) | 55.0 (1.5) | 51.8 (1.6) | 54.0 (1.5) | 49.7 (1.7) |
| APTD | 54.4 (1.6) | 53.6 (1.6) | 53.7 (1.6) | 49.8 (1.5) | 51.4 (1.4) | 48.2 (1.5) |
| Clearheaded–confused | ||||||
| Dim light condition | ||||||
| BAL | 51.6 (1.9) | 54.8 (2.0) | 52.1 (2.2) | 51.8 (2.2) | 53.4 (2.0) | 47.8 (2.4) |
| APTD | 53.8 (2.4) | 54.3 (2.0) | 51.0 (2.0) | 48.4 (1.7) | 48.0 (2.0) | 47.8 (2.7) |
| Bright light condition | ||||||
| BAL | 55.8 (1.7) | 54.9 (1.5) | 56.1 (1.8) | 54.5 (2.3) | 54.6 (1.9) | 51.1 (2.4) |
| APTD | 55.2 (2.0) | 54.5 (1.7) | 55.6 (1.7) | 53.4 (1.7) | 55.0 (1.6) | 50.3 (1.9) |
| Elated–depressed | ||||||
| Dim light condition | ||||||
| BAL | 52.9 (2.2) | 51.1 (2.2) | 48.8 (1.8) | 49.4 (2.1) | 52.4 (2.1) | 37.8 (1.9) |
| APTD | 52.6 (2.8) | 51.9 (2.5) | 48.4 (2.0) | 48.3 (2.3) | 47.4 (1.9) | 37.7 (2.2) |
| Bright light condition | ||||||
| BAL | 56.1 (1.6) | 54.1 (2.0) | 54.8 (2.0) | 53.8 (1.7) | 53.8 (1.5) | 42.9 (2.0) |
| APTD | 53.1 (2.2) | 52.6 (1.8) | 53.5 (1.8) | 52.1 (1.6) | 51.9 (1.6) | 41.4 (2.0) |
| Agreeable–hostile | ||||||
| Dim light condition | ||||||
| BAL | 50.6 (2.4) | 53.4 (2.6) | 53.3 (2.7) | 53.2 (2.9) | 54.4 (2.6) | 49.3 (3.1) |
| APTD | 53.7 (3.2) | 53.4 (2.6) | 53.0 (2.8) | 49.7 (2.4) | 48.8 (2.7) | 49.4 (3.1) |
| Bright light condition | ||||||
| BAL | 57.4 (2.4) | 57.1 (2.5) | 56.6 (2.5) | 55.1 (2.5) | 54.3 (2.7) | 50.3 (2.5) |
| APTD | 55.4 (2.5) | 55.0 (2.4) | 56.2 (2.3) | 54.0 (2.3) | 53.8 (2.5) | 51.4 (2.9) |
| Energetic–tired | ||||||
| Dim light condition | ||||||
| BAL | 49.4 (1.5) | 51.3 (1.8) | 49.4 (1.6) | 49.8 (1.7) | 50.8 (1.7) | 44.7 (1.6) |
| APTD | 50.2 (2.9) | 50.6 (2.0) | 46.6 (2.1) | 44.7 (2.0) | 44.0 (1.9) | 45.3 (1.9) |
| Bright light condition | ||||||
| BAL | 50.7 (2.1) | 50.3 (2.1) | 51.6 (1.9) | 49.3 (2.3) | 49.8 (1.8) | 44.4 (1.9) |
| APTD | 49.4 (2.2) | 50.2 (1.8) | 49.4 (1.7) | 46.4 (1.9) | 47.1 (2.2) | 43.9 (1.6) |
AA = amino acid; APTD = acute phenylalanine tyrosine depletion; BAL = control/balanced amino acid mixture; NMI = negative mood induction procedure; POMS = profile of mood states; SEM = standard error of the mean.