Table 4 Correlations between attentional ERP components and clinical characteristics in migraine patients
| Â | Migraine frequency | Duration of migraine | Headache score | Migraine history | SAS score | SDS score |
|---|---|---|---|---|---|---|
Original/difference ERPs | r (p value) | r (p value) | r (p value) | r (p value) | r (p value) | r (p value) |
P3 amplitude-standard | −0.390 (0.054) | 0.111 (0.598) | −0.165 (0.432) | − 0.023 (0.914) | −0.061 (0.772) | −0.003 (0.989) |
P3 amplitude-targeta | −0.417 (0.038)* | −0.401 (0.047)* | −0.212 (0.309) | −0.141 (0.502) | 0.076 (0.717) | −0.044 (0.835) |
P3 amplitude-novelb | −0.104 (0.620) | −0.426 (0.034)* | −0.176 (0.400) | 0.031 (0.882) | −0.061 (0.771) | −0.195 (0.351) |
N1 latency-standard | −0.178 (0.394) | 0.400 (0.048)* | 0.209 (0.315) | 0.112 (0.596) | −0.063 (0.763) | 0.047 (0.823) |
N1 latency-target | 0.044 (0.835) | −0.166 (0.427) | 0.005 (0.982) | 0.036 (0.864) | 0.340 (0.096) | 0.410 (0.042)* |
N1 latency-novel | 0.435 (0.030)* | 0.168 (0.423) | 0.097 (0.646) | −0.179 (0.392) | 0.104 (0.619) | 0.057 (0.788) |
N2 latency-standard | 0.076 (0.720) | 0.080 (0.705) | −0.092 (0.663) | 0.082 (0.698) | 0.090 (0.669) | −0.062 (0.768) |
N2 latency-target | 0.400 (0.048)* | 0.081 (0.699) | 0.024 (0.911) | 0.140 (0.506) | 0.082 (0.695) | 0.080 (0.703) |
N2 latency-novel | 0.001 (0.995) | 0.398 (0.049)* | 0.329 (0.108) | −0.101 (0.630) | 0.087 (0.678) | 0.121 (0.566) |
P3dT amplitude | −0.056 (0.791) | −0.268 (0.196) | −0.094 (0.656) | −0.137 (0.513) | −0.018 (0.933) | −0.142 (0.497) |
P3dN amplitude | −0.405 (0.044)* | −0.440 (0.028)* | −0.281 (0.174) | 0.170 (0.415) | −0.019 (0.929) | −0.085 (0.685) |