Domain-general and Domain-specific Contributions to the Development of Numerical Cognition

Exclusion Criteria

• •not within age range
• •monocygotic twins
• •\- contraindications to an MRI examination (neurosensory stimulator or implantable defibrillator, cochlear implants, ferromagnetic ocular or cerebral foreign bodies close to nerve structures, metal prostheses, patient agitation: uncooperative or agitated patients, claustrophobic subjects, ventriculoperitoneal neurosurgical shunt valves, dental apparatus, etc.).
• •sudden onset of cognitive problems that could indicate a stroke; a history of head trauma with loss of consciousness lasting more than 1 hour, or encephalitis; - a chronic neurological, psychiatric, endocrine, hepatic or infectious condition
• •a history of major illness (diabetes, chronic lung disease, severe cardiac, metabolic, hematological, endocrinological or immunological disorders, cancer); - medication likely to interfere with brain imaging measurements
• •color blindness or uncorrected visual disorders
• •inability to take part in the study for geographical or psychiatric reasons
• •presence of pervasive developmental and/or acquisition disorders identified by parents or legal guardians and/or teachers
• •cerebral palsy
• •impaired fine motor skills
• •parents or legal guardians not affiliated to a social security scheme
• •unaccompanied by parent(s) or legal guardian(s) during visits.
• •tattoo not compatible with MRI
• •children and parents under legal protection