<span>The answer is Hemispheric lateralization. It</span>distinguishes between alpha activity in the left and right sides of a brain and is used to determine how an ad is affecting the mental processes of the individual viewing it. It is t<span>he distinction between functions of the right and left </span>hemispheres<span> of the brain. If one </span>hemisphere<span> is more heavily involved in a specific function, it is often referred to as being dominant.</span>
