lateralisation vs laterality

lateralisation and laterality both are nouns.

Word	Noun	Adjective	Verb	Adverb
lateralisation	Yes	No	No	No
laterality	Yes	No	No	No

As nouns, lateralisation and laterality are synonyms defined as:

lateralisation and laterality: localization of function on either the right or left sides of the brain

Other synonyms of lateralisation include lateralization.

lateralisation (noun)	laterality (noun)
localization of function on either the right or left sides of the brain	superior development of one side of the body
	the property of using one hand more than the other
	localization of function on either the right or left sides of the brain