“…Some researchers found a positive relationship between cognitive function and quality of life (Beckert, Irigaray, & Trentini, 2012) and others argue that the more severe the cognitive impairment, the lower the quality of life (Leite et al, 2012a;Leite, Winck, Hildebrandt, Kirchner, & Silva, 2012b). Similarly, the findings of Winocur et al (2007) support the hypothesis that quality of life contributes to successful aging, more specifically, it contributes to preserve cognitive function.…”