轻度睡眠呼吸障碍儿童的学习缺陷和夜间记忆巩固
Bethanie Menzies1, Arthur Teng2,3, Angela D'Rozario1,4,5
1School of Psychology, Faculty of Science, University of Sydney, Sydney, Australia.
概括
患有睡眠呼吸障碍 (SDB) 的儿童在宣称性学习和程序性记忆巩固方面扎. 睡眠障碍会对学业成功至关重要的认知功能产生负面影响.
科学领域:
- 儿科睡眠医学 儿科睡眠医学
- 认知神经科学 认知神经科学
- 神经心理学 神经心理学
背景情况:
- 睡眠呼吸障碍 (SDB) 在儿童中很常见,但它对学习和记忆巩固的影响在这个年龄组中还没有得到充分研究.
- 睡眠模式受到干扰可能会对学龄儿童的认知发展和学业表现产生重大影响.
研究的目的:
- 与健康对照组 (HC) 相比,研究SDB儿童的学习和一夜间记忆巩固缺陷.
- 检查SDB儿童的宣言性 (口头,视觉) 和程序性记忆功能.
- 在SDB患者中,将多睡眠学睡眠参数与记忆表现相关联.
主要方法:
- 49名儿童 (7-16岁;24 SDB,25 HC) 完成了认知评估,包括声明式和程序式记忆任务.
- 学习被操纵 (试验或标准),回忆被测试在30分钟和一夜之间.
- SDB诊断和睡眠阶段 (NREM2,NREM3) 通过一夜间的多睡眠学来确定.
主要成果:
- 患有SDB的儿童需要进行更多的视觉声明学习试验,但显示出完整的一夜之间整合.
- 在SDB儿童中,程序性记忆学习是完整的,但一夜之间巩固减少了.
- 在SDB中,较少的NREM2睡眠与较差的宣言性学习相关,而较少的NREM2和更多的NREM3睡眠与受损的程序性记忆巩固相关.
结论:
- 患有SDB的学龄儿童在声明性学习和一夜间程序性记忆巩固方面表现出缺陷.
- 这些发现强调了SDB对儿童记忆和学习能力的不利影响.
- 未来的研究应该评估SDB治疗后的认知恢复.
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