said by article :Source;
... Jakobsson has proposed an alternative type of biometrics he refers to as "Visual Preferences".
For lack of a better term I am using the phrase "Mental Biometrics" or "Psychometrics." Whatever it ends up being called, an imprint or a snapshot of a user's personality is taken using a unique mnemonic which is then challenged via an authentication mechanism that uses pictures.
These pictures would be easy for the user to remember, but extremely difficult for a hacker to challenge. During the enrollment process, the user is given a long list of pictures of various objects and activities, and then chooses a series of those which they then have to remember based on what they actually like or dislike. ...