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Table 1. 

Inclusion/Exclusion Criteria for All Experiments

GroupExperiments 1–4
Inclusion Criteria 
HC Ages 18–50 
 
Exclusion Criteria 
HC Clinical history of neurological, major medical or psychiatric disorder 
fMRI contraindicationsa 
 
 Experiment 5 
Inclusion Criteria 
HC and ADHD Ages 12–30 
IQ over 80 as per WASI 
HC t score of 60 or lower on the total DSM total ADHD score 
HC 3 or more inattentive and 3 or more hyperactive/impulsive DSM symptoms 
ADHD t score of 65 or higher on the total DSM total ADHD score 
ADHD 6 or more inattentive and 6 or more hyperactive/impulsive DSM symptoms 
ADHD Significant symptoms before age 7 and across at least two domains (e.g., home and school/work) 
 
Exclusion Criteria 
HC and ADHD Any Axis 1 disorder except for ADHD in the ADHD group 
HC and ADHD Clinical history of neurological, major medical of psychiatric disorder 
HC History of treatment with psychoactive medication 
HCa fMRI contraindications 
GroupExperiments 1–4
Inclusion Criteria 
HC Ages 18–50 
 
Exclusion Criteria 
HC Clinical history of neurological, major medical or psychiatric disorder 
fMRI contraindicationsa 
 
 Experiment 5 
Inclusion Criteria 
HC and ADHD Ages 12–30 
IQ over 80 as per WASI 
HC t score of 60 or lower on the total DSM total ADHD score 
HC 3 or more inattentive and 3 or more hyperactive/impulsive DSM symptoms 
ADHD t score of 65 or higher on the total DSM total ADHD score 
ADHD 6 or more inattentive and 6 or more hyperactive/impulsive DSM symptoms 
ADHD Significant symptoms before age 7 and across at least two domains (e.g., home and school/work) 
 
Exclusion Criteria 
HC and ADHD Any Axis 1 disorder except for ADHD in the ADHD group 
HC and ADHD Clinical history of neurological, major medical of psychiatric disorder 
HC History of treatment with psychoactive medication 
HCa fMRI contraindications 

HC = healthy control.

aExclusion for Experiment 3.

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