According to findings derived from functional magnetic resonance imaging (MRI), the area of the brain in which a second or third language is stored depends on the age of the language learner; whereas each language occupies a distinct area of the brain in an adult learner, language areas overlap in a young child.

• Awhereas each language occupies a distinct area of the brain in an adult learner,  
• Bwhereas for adults each language occupies a distinct area of the brain and  
• Ceach language occupies a distinct area of the brain when they are learned by an adult, while  
• Deach language in adults occupied a distinct area of the brain, while  
• Eeach language occupying a distinct area of the brain for an adult learner, and