Any hint of cognitive decline requires examination of mental status (see Examination of Mental Status), which involves testing multiple aspects of cognitive function, such as the following: Orientation to time, place, and person Attention and concentration Memory Verbal and mathematical abilities Judgment Reasoning Loss of orientation to person (ie, not knowing one's own name) occurs only when obtundation, delirium, or dementia is severe; when it occurs as an isolated symptom, it suggests malingering.