An obsolete identity is a memory of how the person functioned before the onset of a cognitive disability. Learning and memory since the onset of a cognitive disability are reduced, making an update of the identity impossible. They may be aware of the mistakes they make, may not remember the frequency of their mistakes and rarely understand the implications of potential disasters. Insufficient cognitive abilities to pay attention to abstract information causes a lack of awareness of the need to adjust their evaluation of what they can and cannot do or say now.