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Analyses of simple reaction time for male fragile X premutation carriers (fXPCs) and healthy controls (HCs). (A) Group analyses of response time showed similar responses for fXPCs and HCs on the manual (P = 0.37) and oral (P = 0.38) motor reaction time tasks. (B) Assessment of the association between performance and age (both groups) and CGG repeat length (in the male fXPCs); no significant association was seen.
