1. A computer-implemented method, comprising: displaying, on a display of a system, to a user, a plurality of images, one of the plurality of images corresponding to a first sensation and remaining images of the plurality of images not corresponding to the first sensation, wherein the first sensation has been determined to be cognitively associated, by a plurality of users, with a concept depicted in the one of the plurality of images, the first sensation determined to be cognitively associated by the plurality of users in response to the plurality of users physically sensing the concept depicted in the one of the plurality of images; generating a tactile stimulus configured to induce the user to sense the first sensation; in response to the generating the tactile stimulus, receiving input from the user corresponding to a selection of an image of the plurality of images; determining that the input received in response to the generating the tactile stimulus corresponds to the one of the plurality of images to which the first sensation corresponds; and based on the determining that the input received in response to the generating the tactile stimulus corresponds to the one of the plurality of images to which the first sensation corresponds, authenticating the user for access to the system.