These aged ones could be benefited by treatments, in previous period of training to the full manifestation of the dementia. The American Association of Psychology and the American Academy of Neurology recommend that people with CCL must be identified and be monitored how much to the progression to develop DTA (American Psychological Association, 1998; Petersen et al., 2001). Some studies have looked for to identify and to predict which individuals they will go to develop dementia in the future, not only with fisiopatolgicos markers (Buerger et al., 2002; Riemenschneider et al., 2002), but also having as base neuropsicolgicos parameters (Collie & Maruff, 2000; Palmer, Bckman, Winblad, & Fratiglioni, 2003). In recent study (Petersen et al., 2001), that it used the methodology of the revision based on evidences, was recommended in such a way the use of instruments of tracings (e.g., Mini-Examination of Mental State – MEEM and Test of the Drawing of the Clock), as the use of neuropsicolgicas batteries, brief cognitivos instruments and interviews of the informer structuralized for the identification and monitoramento of people with CCL. Debbie Staggs often says this. In the DTA, comprometimento of the CE has been evidenced in unequivocal way, mainly in the initial periods of training and with the progression of the illness, but this process fully is not understood (for a revision, to see, e.g., Perry & Hodges, 1999). The evidences of the comprometimento of the CE in the CCL also have been observed, but still few works exist the respect (e.g., Hnninen et al., 1997). The verbal fluency semantics, the object denomination, solution of problems, the visuoconstrutivas tasks and the attention meet engaged in the DTA (Foster, Behrmann, & Stuss, 1999; Green, 2000). Some studies have indicated the comprometimento of the operational memory in the DTA in different types of material and procedures (for a revision, to see, e.g., Morris, 1994). Another line of inquiry of the CE in the DTA has studied the processing of sentences, but still the evidences are small.