1. An information processing apparatus comprising: a stereoscopic display control unit which separately controls an image displayed to a left eye and an image displayed to a right eye of an observer to display a stereoscopic image, and wherein the stereoscopic display control unit interchanges the image displayed to the left eye and the image displayed to the right eye, depending on an amount of rotational change of the stereoscopic image; wherein, when a rotation angle of the stereoscopic image is within a first range including (180×n)° (n is an odd number), the stereoscopic display control unit interchanges the images to be displayed respectively to the left eye and the right eye of the observer.