The term Laterality refers to the preference most humans show for one side of their body over the other. Examples include left-handedness/right-handedness and left/right-footedness, it may also refer to the primary use of the left or right hemisphere in the brain. It may also apply to animals or plants. The majority of tests have been conducted on Humans, specifically to determine the effects on language.
Read more about Laterality: Human Laterality, Laterality and Speech, Laterality in Other Animals