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Table 4 Pearson correlation coefficients between questionnaire and psychometric measures and MMN and LDN indices

From: Late, not early mismatch responses to changes in frequency are reduced or deviant in children with dyslexia: an event-related potential study

Small deviant mismatch indices

WASI matrices

TOWRE sight words

TOWRE phonemic decoding

NEPSY nonword repetition

CCC-2 GCC

MMN mean amplitude

0.10 (-0.23–0.39)

-0.14 (-0.48–0.16)

-0.06 (-0.49–0.31)

–0.25 (-0.58–0.11)

–0.35 (-0.59 to -0.07)*

ITC 0–300 ms, 4–7 Hz

–0.21 (-0.48–0.06)

-0.27 (-0.50 to -0.03)

-0.36 (-0.60 to -0.11)*

-0.53 (-0.72 to -0.30)**

-0.37 (-0.63 to -0.05)*

LDN mean amplitude

-0.01 (-0.24–0.23)

0.02 (-0.36–0.36)

0.12 (-0.31–0.49)

-0.19 (-0.48–0.13)

-0.12 (-0.37–0.16)

ERSP 300–600 ms, 4–7 Hz

-0.36 (-0.60 to -0.03)*

0.02 (-0.26–0.30)

-0.15 (-0.41–0.13)

-0.11 (-0.38–0.20)

-0.13 (-0.42–0.18)

  1. Correlations reported across groups (N = 40). Parentheses indicate ±95% confidence intervals. *p = 0.05 (significant); **p = 0.001 (significant).