Table 8 Pearson’s correlations among ln(k) values, ERP component amplitudes and ERP component latencies, and Spearman’s correlations among the ratio of immediate choices, ERP component amplitudes and ERP component latencies.
From: The neurodevelopment of delay discounting for monetary rewards in pre-adolescent children
Children (n = 58) | Adults (n = 48) | Total sample (n = 106) | ||||
|---|---|---|---|---|---|---|
ln(k) | Ratio | ln(k) | Ratio | ln(k) | Ratio | |
N2 amplitude | − 0.07 (0.61) | − 0.07 (0.58) | 0.22 (0.14) | 0.24 (0.09) | 0.15 (0.13) | 0.12 (0.24) |
P2 amplitude | 0.00 (0.998) | − 0.06 (0.68) | − 0.06 (0.69) | − 0.01 (0.96) | − 0.10 (0.31) | − 0.15 (0.12) |
P3 amplitude | 0.21 (0.11) | 0.20 (0.14) | − 0.05 (0.73) | − 0.09 (0.54) | 0.36 (<0.001)** | 0.29 (0.003)** |
N2 latency | − 0.05 (0.69) | − 0.12 (0.39) | − 0.18 (0.22) | − 0.15 (0.32) | − 0.15 (0.14) | − 0.19 (0.05) |
P2 latency | 0.009 (0.95) | 0.01 (0.94) | 0.03 (0.84) | 0.13 (0.39) | 0.30 (0.002)** | 0.29 (0.002)** |
P3 latency | − 0.05 (0.70) | − 0.02 (0.88) | − 0.05 (0.76) | − 0.08 (0.61) | − 0.24 (0.02)* | − 0.22 (0.03)* |
