Psychometric Validation of the Competitive Attention Test

Inclusion Criteria: healthy major participants: * Age from 18 to 90 year-old * Informed consent to participate in the study * No neurological or psychiatric disorder * No history of neuro-psychiatric disorder or neurodevelopmental type dysphasia, dyslexia, dyspraxia, attention deficit disorder healthy minor participants: * Age from 6 to 17 year-old * Informed consent of parents or guardians for the child's participation in the study * No neurological or psychiatric disorder * No history of neuro-psychiatric disorder or neurodevelopmental type dysphasia, dyslexia, dyspraxia, Attention deficit disorder ADHD minor patients: * Age from 6 to 17 year-old * Informed consent of parents or guardians for the child's participation in the study * ADHD Diagnosis with or without hyperactivity * No psychiatric history other than ADHD. * For Experience 3: treatment in progress. Exclusion Criteria: healthy major participants * Age below 18 or above 90 year-old * unaffiliated or non-beneficiaries of the social security scheme healthy minor participants: * Age below 6 or above 18 year-old * unaffiliated or non-beneficiaries of the social security scheme ADHD minor patients: * Age below 6 or above 18 year-old * unaffiliated or non-beneficiaries of the social security scheme