laterality

lat·er·al·i·ty

noun \ˌlat-ə-ˈral-ət-ē\

plural lat·er·al·i·ties

Definition of LATERALITY

: preference in use of homologous parts on one lateral half of the body over those on the other : dominance in function of one of a pair of lateral homologous parts <studies of the laterality of individuals in the performance of different tasks—K. C. Garrison>