Serum Oxytocin Levels And Logical Memory In Older People In Rural Japan
JOURNAL OF GERIATRIC PSYCHIATRY AND NEUROLOGY(2021)
摘要
Objective:The present study aimed to investigate the relationship between serum oxytocin (OT) and logical memory among older people in rural Japan.Methods:This was a cross-sectional study using a survey conducted from October 2009 through March 2011. Most of the study was conducted as part of a national prevalence survey of dementia in Japan. The final sample comprised 385 community-dwelling people aged 65 years or older living in rural Japan. The mean age and standard deviation were 75.7 +/- 6.76 years (144 men, mean age 75.0 +/- 6.48 years; 241 women, mean age 76.2 +/- 6.91 years). The participants underwent screening examinations for a prevalence survey of dementia. The screening examinations were the Mini-Mental State Examination, Clinical Dementia Rating, and "logical memory A" from the Wechsler Memory Scale-Revised (WMSR). We used the WMSR Logical Memory II delayed recall score (LM II-DR) to assess logical memory. Levels of serum OT were obtained using the enzyme immunoassay method.Results:Serum OT levels were significantly higher among women than men. The present study revealed that serum OT levels were positively associated with LM II-DR in older women living in rural Japan in multiple linear regression analyses.Conclusions:The present results suggested a positive correlation between OT and logical memory in older women living in rural Japan.
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关键词
aging, sex differences, logical memory, oxytocin
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