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Table 4 Correlations between attentional ERP components and clinical characteristics in migraine patients

From: The impact of attack frequency and duration on neurocognitive processing in migraine sufferers: evidence from event-related potentials using a modified oddball paradigm

  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)
  1. r represents Pearson product-moment correlation coefficient
  2. SAS Self-Rating Anxiety Scale, SDS Self-Rating Depression Scale
  3. aP3b amplitude; b P3a amplitude
  4. P3dT and P3dN represent the P3 target and novel effects (target minus standard and novel minus standard), respectively
  5. *P < 0.05 by Pearson’s correlations (two-tailed)