1. A method for avoiding discomfort and/or relieving motion sickness when using a display device in a moving environment, the method comprising the steps: detecting at least one movement component of the moving environment; generating data for intermediate images indicating the movement component or at least one of the movement components; modifying a series of images showing content to be displayed by inserting the intermediate images into the series, wherein the series is divided into sequences of these images by the intermediate images; and displaying the modified series of images on an image display of the display device, wherein the modified series includes the intermediate images, wherein at least one of the intermediate images is hidden visual information for the subconscious mind of a person viewing the modified series of images, the hidden visual information being consistent with an equilibrium sense of the person.