Psychological and behavioral disorders in Alzheimer's disease

The presentation of Alzheimer's disease includes cognitive impairment, psyc hological and behavioral disorders. There are many interactions between the se different disorders. Several factors contribute to the etiology of psych ological and behavioral disorders: somatic illnesses, iatrogenic factors, e nvironmental changes and the family's attitudes. These manifestations are n ot only the results of brain lesions; they are also the consequences of cog nitive impairment on affective and psychic life of the patient and his fami ly. Therapeutic strategies must take each disorder into account. So, therap ies include: support to caregivers, nursing, psychotherapies and medication s.