中高年者の食習慣と認知機能に関する研究

概要

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Relation between cognitive ability and usual food preference among elderly people (mean 62.6 years old, N = 608) was examined. Participants were asked to fill the questionnaires that addressed to everyday food preference habit. Cognitive items examined were attention (Stroop test, D-CAT), memory, verbal fluency, and spatial (money road test) that were selected from NU-CAB (Nagoya university cognitive assessment battery). Food preferences were classified into three groups (A: none or 1-2 times per month; B: 1-2 times per week; and C: 3-4 times per week or everyday) for food (green-leafy vegetable, yellow-green vegetables, root vegetables, fungi, meat, fishes, and dairy, egg, etc). Results were shown first that A group were inferior memory related item (MMSE and logical memory performances) than B and C groups and mean age of A group was significantly younger than the other groups. These findings suggest a relation between usual food preference and cognitive function and a contribution of cohort effect.
人間環境学研究会の論文