그리고 자신의 가족을 알아보지 못할 정도로 치매가 진행된 알츠하이머병 환자들이 어떻게 어릴때 배운 쇼팽의 피아노 곡조를 알아듣는지 등에 관한 연구였죠.
and how late-stage Alzheimer's patients, whose dementia was so far progressed that they could no longer recognize their family, could still pick out a tune by Chopin at the piano that they had learned when they were children.