Departmental Bulletin Paper 女性高齢者における刺激反応の遅延の有無と認知機能の関係

野口, 雄慶  ,  Noguchi, Takanori  ,  横谷, 智久  ,  Yokoya, Tomohisa  ,  杉浦, 宏季  ,  Sugiura, Hiroki

(47)  , pp.260 - 264 , 2017-07-11
This study aimed to investigate whether delayed response in a stimulus–response test is associated with a decline in cognitive function. The subjects were 39 elderly women aged ≥75 years. Five trials of stimulus–response time measurement (rock/paper/scissors and draw/win/lose conditions) were conducted. The following criteria were set to classify the results on the basis of response time measurements. When an attempt exceeded the reference value, it was classified as a delayed response to the stimulus. Subjects who did not exhibit any delay in the five attempts were placed in the normal group and those who exhibited one or more delay were placed in the delay group. The results of the two groups were compared with respect to the MoCA scores (maximum, 30 points). Under the “draw" condition, there was a significant difference in cognitive functional assessment results between the two groups. In conclusion, the study results suggest that delayed responses to stimuli reflected a decline in the cognitive function of elderly women.

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