1. An image display apparatus, comprising: an image display section which displays an image; an attention decision section which determines a degree of attention of a user with respect to the image; an image identifier extraction section which extracts a plurality of identifiers which are assigned to the image and indicate an attribute of the image; an attention identifier detection section which detects an attention identifier from an attention image determined to have a high degree of attention of the user by the attention decision section; and a display control section which detects an image to be displayed having the attention identifier from among the images to be displayed on the image display section, and performs a display control of the image display section so as to further increase the frequency at which the image to be displayed is displayed.