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. 2025 Jul 1;16:1601797. doi: 10.3389/fphar.2025.1601797

TABLE 5.

Descriptive statistics for ERP amplitude data under ketamine.

Ketamine NT: HR NT: LR NT: TO ND: HR ND: LR PD: HR PD: LR
N 27 27 27 27 27 27 27
Mean Amp. in µV −1.0 −1.1 −2.8 −0.4 −0.1 0.1 0.3
Std. Dev. 0.7 0.8 3.6 0.6 0.5 0.6 0.7
Max. 0.5 0.2 8.0 0.7 1.2 1.4 2.7
Min. −3.1 −3.5 −8.6 −1.9 −1.4 −1.1 −1.3

HR, high reward; LR, low reward; Amp., amplitude; TO, target-only; NT, target negativity; ND, distractor negativity; PD, distractor positivity; Std. Dev., standard deviation.