完全睡眠剥夺对年轻人和老年人注意捕获过程的影响:一项ERP研究。

IF 1.4 4区医学 Q4 GERIATRICS & GERONTOLOGY

Experimental Aging Research Pub Date : 2023-03-01 DOI:10.1080/0361073X.2022.2057120

Paniz Tavakoli, Anthony Murkar, Meggan Porteous, Julie Carrier, Rebecca Robillard

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引用次数: 1

摘要

背景:本研究利用事件相关电位(ERPs)研究睡眠剥夺是否会影响年轻人和老年人的注意捕获。方法:对11名青年(20-30岁)和9名老年人(60-70岁)进行正常睡眠(NS)和完全睡眠剥夺(TSD)测试。在由标准刺激和偏差刺激组成的听觉辨别任务中记录erp。结果:异常刺激诱发MMN、P3a和RON erp。创伤后应激障碍减弱了年轻人与异常者在反应时间上的差异，但没有减弱老年人的反应时间差异。与年轻人相比，老年人的P3a减弱。与年轻人相比，NS后老年人的RON振幅更大，但TSD后没有。结论:老年人P3a的减少和行为表现改变的缺失表明，与年轻人相比，老年人可能使用不同的神经处理策略来补偿与年龄相关的注意力捕获神经资源的下降。睡眠不足影响了与年龄相关的RON差异，这表明老年人在睡眠不足后可能减少了获得补偿策略的机会。

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The Effects of Total Sleep Deprivation on Attention Capture Processes in Young and Older Adults: An ERP Study.

Background: The present study investigated whether sleep deprivation affects attention capture in young and older adults using event-related potentials (ERPs).

Methods: Eleven young adults (20-30 y) and nine older adults (60-70 y) were tested following both normal sleep (NS) and total sleep deprivation (TSD). ERPs were recorded during an auditory discrimination task consisting of standard and deviant stimuli.

Results: Deviant stimuli elicited the MMN, P3a, and RON ERPs. TSD attenuated the differences in reaction times between standards and deviants in young adults but not older adults. The P3a was attenuated in older adults compared to young adults. Older adults had a larger RON amplitude compared to young adults following NS, but not TSD.

Conclusions: The reduced P3a and the absence of behavioral performance alteration in the older group suggests that older adults may utilize different neural processing strategies compared to younger adults to compensate for age-related declines in neural resources for attention capture. Sleep loss influenced age-related differences on the RON, suggesting that older adults may have reduced access to compensatory strategies following sleep loss.

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来源期刊

Experimental Aging Research 医学-老年医学

CiteScore

3.60

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Experimental Aging Research is a life span developmental and aging journal dealing with research on the aging process from a psychological and psychobiological perspective. It meets the need for a scholarly journal with refereed scientific papers dealing with age differences and age changes at any point in the adult life span. Areas of major focus include experimental psychology, neuropsychology, psychobiology, work research, ergonomics, and behavioral medicine. Original research, book reviews, monographs, and papers covering special topics are published.