In order to offer a non-drug intervention for caregivers in nursing home to respond promptly to a behavioral crisis with an appropriate response to each patient, a chariot has been developed by the Institute of Ageing Well Korian (Institut du Bien Vieillir Korian) to bring together eleven mediation activities. These activities lasting about 15 minutes are based on emotion (reminiscent, games) and sensory interventions (music, massage, touch) to decentralize patient stimulus that disturbs and focus on a subject not disruptive. This emergency intervention should provide a reduction in Behavioral and Psychological Symptom of Dementia (BPSD) of nursing home patients. The main objective is to measure its immediate effect on productive symptoms (agitation, aberrant motor behavior and disinhibition). The secondary objectives are to measure its immediate impact on the well-being and psychotropic treatments, and measure its effect after two months and after four months on all BPSD with a focus on agitation, the administration of psychotropic drugs, the hospitalizations and the number of falls.