正常青年人与老年人睡眠梭形波的对比研究

Study of sleep spindles in the aged and the young

目的 探讨正常成年人睡眠梭形波与年龄的关系。方法 整夜多导睡眠描记方法（ Ｐ Ｓ Ｇ） 。结果 与青年组相比，老年组梭形波数目减少，密度降低，总持续时间减少，慢波睡眠（ Ｓ Ｗ Ｓ） 亦明显减少，但梭形波平均持续时间无明显差异。结论 老年人睡眠梭形波数目、密度和总持续时间减少。

Objective To investigate the relationship of sleep spindles with age . Methods Polysomnography( P S G) . Results The nu mber,density and total duration of sleep spindles as wellas deep slow wave sleep ( S3+ S4) decreased in the aged group ,but the average time of spindle duration did not vary with age . Conclusion The nu mber ,density and total duration of sleep spindles decrease in the aged .