アルツハイマー型痴呆
a progressive form of presenile dementia that is similar to senile dementia except that it usually starts in the 40s or 50s first symptoms are impaired memory which is followed by impaired thought and speech and finally complete helplessness
普通は40代か50代で始まるという点を除き、老人性認知症と同様の進行形の初老期認知症 最初は記憶障害から始まり、思考障害、会話障害と続き、最終的には完全に無力となる