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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}; \subsubsection*{MCI group}