Heritability of proneness for psychological flow experiences

► Heritability of flow proneness in the three domains ranged between 29% and 35%. ► Genetic influences were mostly shared with genetic correlations between .81-.97. ► Non-shared environmental influences were largely specific to each flow scale. ► Flow proneness is influenced by the same genes regardless of domain. ► Within-individual differences in the flow domains are due to environmental factors.