Table 3.
Correlations between the MMN components and K-ARS-IV full version, K-ARS-In, and K-ARS-H scores in the ADHD group (n = 16)
| Variable | Spearman’s correlation | ||
|---|---|---|---|
|
| |||
| K-ARS-IV | K-ARS-In | K-ASR-H | |
| MMN amplitude (mV) | |||
| Fz | −0.11 (p = 0.688) | 0.10 (p = 0.720) | −0.17 (p = 0.521) |
| FCz | −0.03 (p = 0.927) | 0.12 (p = 0.647) | −0.20 (p = 0.451) |
| Cz | −0.64* (p < 0.001) | −0.55* (p = 0.002) | −0.61* (p < 0.001) |
| CPz | −0.57* (p = 0.001) | −0.55* (p = 0.002) | −0.55* (p < 0.001) |
| MMN latency (ms) | |||
| Fz | 0.09 (p = 0.734) | 0.09 (p = 0.741) | 0.22 (p = 0.403) |
| FCz | −0.25 (p = 0.350) | −0.27 (p = 0.308) | −0.07 (p = 0.811) |
| Cz | −0.00 (p = 0.987) | 0.19 (p = 0.471) | −0.05 (p = 0.853) |
| CPz | −0.02 (p = 0.931) | 0.18 (p = 0.515) | −0.06 (p = 0.819) |
MMN, mismatch negativity; K-ARS-IV, Korean attention deficit/hyperactivity disorder rating scale-IV; K-ARS-In, K-ARS inattention subscale; K-ARS-H, K-ARS hyperactivity-impulsivity subscale; Fz, frontal electrode; FCz, fronto-central electrode; Cz, central electrode; CPz, centro-parietal electrode.
*
Bonferroni-corrected p < 0.05.