RESEARCH CORE TOPIC arithmetic development across the lifespan RESEARCH FIELDS developmental cognitive neuroscience, educational neuroscience, numerical cognition RESEARCH METHODS neuroscientific methods (fNIRS, tDCS/tRNS), behavioral methods (experiments, online studies), developmental research designs (longitudinal/cross-sectional studies, interventions) RESEARCH TOPICS numerical cognition, arithmetic complexity, arithmetic development, math anxiety, dyscalculia