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. 2020 May 31;18(2):249–260. doi: 10.9758/cpn.2020.18.2.249

Table 2.

Mismatch negativity potential amplitudes and latencies

Variable Subclinical ADHD group (n = 13) ADHD group (n = 16) Z pvalue
MMN amplitude (µV)
Fz −4.97 ± 1.81 −4.16 ± 1.53 −1.49 0.136
FCz −4.90 ± 2.32 −3.54 ± 1.23 −2.11 0.035
Cz −2.90 ± 1.64 −2.23 ± 1.25 −1.14 0.254
CPz −2.45 ± 1.15 −1.93 ± 1.38 −1.40 0.161
MMN latency (ms)
Fz 208.84 ± 34.89 243.94 ± 23.89 −2.48 0.013
FCz 209.00 ± 31.67 239.88 ± 24.72 −2.57 0.010
Cz 205.31 ± 30.34 215.13 ± 37.51 −0.86 0.392
CPz 201.69 ± 31.07 210.31 ± 41.94 −0.79 0.430

Values are presented as mean ± standard deviation.

ADHD, attention deficit/hyperactivity disorder; MMN, mismatch negativity; Fz, frontal electrode; FCz, fronto-central electrode; Cz, central electrode; CPz, centro-parietal electrode.