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\subsubsection*{Grupo DDA}  Critérios do NIA and Alzheimer Association para DDA provável \cite{21673298};  Escala Clinica de Demência (CDR) = 1 \cite{8232972};  Escore isquêmico de Hachinski < 4 \cite{Hachinski_2006}\cite{Hachinski_2006}\cite{Hachinski_2006}; \cite{Hachinski_2006};  \subsubsection*{MCI group}