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Table 2. 

Brain Behavior Correlations between Switch Costs, Conflict Costs, and Stimulus-Locked ERP Components

(A) Correlations between Switch Costs, Conflict Costs, and N2 Difference Wave Amplitudes at Electrode Sites Cz, Fcz, and Fz
Age Group

Conflict Cost RT
Switch Cost RT
N2 Difference Cz
N2 Difference Fcz
N2 Difference Fz
Adults Conflict cost RT – −.29 −.00 −.56** −.48* 
Switch cost RT −.29 – −.08 .14 −.17 
Adolescents Conflict cost RT – −.25 −.25 −.59** −.48* 
Switch cost RT −.25 – .10 .20 −.01 
Children Conflict cost RT – .20 −.25 −.27 −.29 
Switch cost RT .20 – −.08 −.08 –.09 
 
(B) Correlations between Switch Costs, Conflict Costs, and N4 Difference Wave Amplitudes at Electrode Sites Cz, Fcz, and Fz for the Children 
Age Group  Conflict Cost RT Switch Cost RT N4 Difference Cz N4 Difference Fcz N4 Difference Fz 
Children Conflict cost RT – .20 −.19 −.49* −.64** 
Switch cost RT .20 – −.13 −.23 −.20 
(A) Correlations between Switch Costs, Conflict Costs, and N2 Difference Wave Amplitudes at Electrode Sites Cz, Fcz, and Fz
Age Group

Conflict Cost RT
Switch Cost RT
N2 Difference Cz
N2 Difference Fcz
N2 Difference Fz
Adults Conflict cost RT – −.29 −.00 −.56** −.48* 
Switch cost RT −.29 – −.08 .14 −.17 
Adolescents Conflict cost RT – −.25 −.25 −.59** −.48* 
Switch cost RT −.25 – .10 .20 −.01 
Children Conflict cost RT – .20 −.25 −.27 −.29 
Switch cost RT .20 – −.08 −.08 –.09 
 
(B) Correlations between Switch Costs, Conflict Costs, and N4 Difference Wave Amplitudes at Electrode Sites Cz, Fcz, and Fz for the Children 
Age Group  Conflict Cost RT Switch Cost RT N4 Difference Cz N4 Difference Fcz N4 Difference Fz 
Children Conflict cost RT – .20 −.19 −.49* −.64** 
Switch cost RT .20 – −.13 −.23 −.20 

*p < .05, two-tailed.

**p < .01, two-tailed.

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