Juha Karvanen

The paper introduces causal effect transportability for ecological research, enabling the transfer of causal findings between domains using structural causal models and R software.

This study finds that higher moderate-to-vigorous physical activity in adolescents is linked to increased local functional brain connectivity, but not aerobic fitness or interhemispheric connectivity.

This study examines the relationship between aerobic fitness, physical activity, and white matter properties in adolescents, finding that aerobic fitness, not physical activity, is linked to white matter and executive functions.