Descriptive information on RDs with specific comorbidities.

SES, socioeconomic status (annual income). All p-values are two-sided. Age is given in years, with MEAN (SD) format. SES is given as median. Sex and dominant hand are percentages. Frequentist tests significant at the .05 α-level and Bayesian t-tests with a BF₁₀ > 2.00 [equivalent to a log(BF₁₀) > .70] are bolded. Hand dominance was determined using the Grooved Pegboard Test. In impaired readers, there were no significant contrasts between demographic variables based on anxiety or language disorder Dx. Similarly, all comparisons for low-gamma and the lateralization index favored the null hypothesis with a relative likelihood >2.00 [log(BF₁₀) < -.70].

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