SMILE - Schwierigkeiten beim Mathematiklernen: Interventionsmöglichkeiten für JugendLichE

Group 1: Dyscalculics, group 1: receive the support program after a waiting period of 14 to 28 weeks.
- The support program consists of 14 intervention units of one hour as well as exercise material for home over a period of about 14 to 28 weeks
- Participation in four diagnostic appointments: before the waiting period, before the intervention, after the intervention, and 14 to 28 weeks after the intervention
Group 2: Dyscalculics, group 2: receive the support program immediately.
- The support program consists of 14 intervention units of one hour as well as exercise material for home over a period of about 14 to 28 weeks
- Participation in three diagnostic appointments: before the intervention, after the intervention, and 14 to 28 weeks after the intervention
Group 3: Control group without dyscalculia and not participating in the intervention.
- Participation in two diagnostic appointments at intervals of 14 to 28 weeks

Gender: All
Maximum age: 27 Years
Minimum age: 14 Years
Inclusion criteria: - Signed informed consent

Dyscalculia group:
- Diagnosis of dyscalculia
- Time and willingness to participate in the intervention (14 sessions ? 1 hour)
- A score below 73 points in the Basis-Math 4-8 test

Control group:
- No dyscalculia
Exclusion criteria: - Neurological disorders
- Contraindication according to MR-safety guidelines of the Center for MR-Research of the University Children?s Hospital Zurich
- Pregnancy
- Medication that might have an impact on neuronal activity (e.g. Ritalin)
- Intellectual disability (IQ < 70)