Understanding the Delusion of Theft.

The elderly with dementing illness often present with psychotic symptoms such as delusions, but the thematic content of delusions in the elderly differs from that of delusions expressed by younger individuals, and can be pathognomonic of early dementia. The aim of this paper is to review the recent literature on the delusion of theft, the most prevalent delusion in the elderly, in order to arrive at a deeper understanding of its sources and to identify successful therapeutic approaches. The literature from 2000 to the present was searched on the Google Scholar database using relevant search terms. Several older classical papers were also referenced. Understanding the origins of the delusion of theft - multiple losses, attempts at attributing such losses to an outside source, attempts at reliving a happier past - helps in devising responses that are comforting to the patient. The distress that often accompanies the delusion of having been robbed can be decreased by nursing home improvements in the handling of personal possessions, by the correction of sensory deficits, and by the provision of activities that distract from loneliness. Attention to stimuli that trigger the delusion helps to limit its occurrence. Medications may help, but can sometimes make matters worse. Understanding that delusional thinking can arise from sensory and cognitive deficits is critical to empathic caregiving and also to the lessening of caregiver burden.