Synonyms for Laterality (same or very similar meaning)
WordNet sense 1 (localization of function on either the right or left sides of the brain):
lateralisation, lateralizationWordNet sense 2 (the property of using one hand more than the other):
handednessWordNet sense 3 (superior development of one side of the body):
dominanceFrom the ODE community, based on WordNetadd/edit