Conscientious of these esquecimentos, the individual can become confused and for times aggressive causing mood changes, of personality, behavior riots and arriving until exactly not knowing itself ahead of the mirror generating a picture of anxiety and depression. It occurs to the loss of the recent memory, difficulty to learn and to hold back new information, riots of language, gradual difficulty for the tasks of the daily life, lack of care with the personal appearance, irritability, disorientation. In this phase the patients still present good quality of social life, remaining alert (Smith, 1999 Brunner 1996). In the intermediate phase the patient is completely incapable to learn and to hold back new information. The person if becomes each time more dependents of third, initiates the locomotion difficulties, the communication if she makes impracticable and start to need cares and integral supervision, even though for the elementary activities of the daily one as feeding, hygiene, clothes, initiates loss of the control of the bladder, incontinence (Smith, 1999; Brunner, 1996).
In the final phase the patient is total incapable to walk, restricted to the stream bed, does not say more, risk of pneumonia, malnutrition and ulcers for being lying. Loss of the control of the bladder and the intestine, incontinence; difficulties to swallow foods, evolving for use of enteral sounding lead or gastrostomia, most of the time the cause of the death does not have relation with the Illness, but yes with other on factors to the advanced age (Smith, 1999; Brunner, 1996). 2.4. Diagnosis of the D.A does not have a specific test that it establishes in unquestioned way the illness, the certain diagnosis of the D.A alone can be made by examination of the fabric cerebral gotten by bipsia or autopsy. In this way I diagnosis, it of probable D.A is made excluding other causes of dementia for the depression history, loss of memory associated with the age, resulted of blood tests with hipotireoidismo, deficiency of vitamin b, cat scan or resonance with infartos multiples.