Table 4.
The effect of fish oil (FO) on the grand mean global field power (GFP) of event-related potentials (ERPs) component.
| Cognitive Function Test | Groups | Mean (SD) Scores at Baseline | Mean (SD) Scores at 12th week |
|---|---|---|---|
| Go/NoGo | |||
| Latency (ms) | FO-A (n = 42) | 477.68 (±9.81) | 479.35 (±6.82) |
| FO-B (n = 39) | 474.66 (±5.18) | 456.35 (±10.38) | |
| P (n = 39) | 476.66 (±11.12) | 476.66 (±2.79) | |
| Amplitude (µV) | FO-A (n = 42) | 3.69 (±0.91) | 5.64 (±0.85) * |
| FO-B (n = 39) | 2.16 (±0.20) | 6.95 (±0.23) *** | |
| P (n = 39) | 2.90 (±0.90) | 3.51 (±0.70) | |
| N-Back | |||
| Latency (ms) | FO-A (n = 42) | 462.20 (±14.49) | 455.17 (±7.81) * |
| FO-B (n = 39) | 463.44 (±9.10) | 455.33 (±15.44) *** | |
| P (n = 39) | 466.95 (±4.45) | 467.75 (±19.83) | |
| Amplitude (µV) | FO-A (n = 42) | 2.93 (±0.86) | 5.62 (±1.17) * |
| FO-B (n = 39) | 2.12 (±0.55) | 7.71 (±0.30) *** | |
| P (n = 39) | 2.70 (±0.47) | 3.31 (±0.59) | |
| Digit Span | |||
| Latency (ms) | FO-A (n = 42) | 457.59 (±9.91) | 454.42 (±7.99) |
| FO-B (n = 39) | 467.45 (±0.46) | 453.12 (±10.54) | |
| P (n = 39) | 464.94 (±10.37) | 444.91 (±1.76) | |
| Amplitude (µV) | FO-A (n = 42) | 3.40 (±0.56) | 5.42 (±1.09) ** |
| FO-B (n = 39) | 2.52 (±0.67) | 7.22 (±0.53) *** | |
| P (n = 39) | 2.85 (±0.58) | 3.53 (±0.79) |
FO-A: One chewable soft gel capsule of fish oil (260 mg DHA) plus one chewable soft gel capsule of placebo (260 mg Soybean oil) (n = 42); FO-B: Two chewable soft gel capsules of fish oil (520 mg DHA) (n = 39); P: Two chewable soft gel capsules of placebo (520 mg Soybean oil) (n = 39); * p value < 0.05, ** p < 0.01, and *** p < 0.001, respectively, compared to the placebo group.