Near infrared spectroscopy assessed oxygenated hemoglobin with sleep quality among college students
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摘要:
目的 采用功能性近红外光谱成像(fNIRS)技术,研究不同睡眠质量的大学生群体在言语流畅性(VFT)任务下大脑氧合血红蛋白(Oxy-Hb)的激活水平差异,为改善大学生睡眠质量提供神经机制理论基础。 方法 采用简单随机抽样方法,于2020年和2021年新生入学期间对华中科技大学96名大学生进行测查,经匹兹堡睡眠质量(PSQI)问卷结果筛选,分为睡眠质量良好组(45名)、中等组(33名)及较差组(18名),应用53通道近红外光谱设备收集在VFT刺激任务下的脑血氧信号,对测查结果与睡眠质量进行分析。 结果 18.75%的被试存在睡眠质量问题,其中入睡时间(0.97±0.97)和睡眠质量(0.96±0.72)问题较严重。PSQI得分与背外侧前额叶的平均氧合血红蛋白(Avg-HbO)指标呈现负相关(r=-0.23, P=0.03)。睡眠良好组与较差组的Avg-HbO指标在背外侧前额叶的差异有统计学意义(P=0.05)。 结论 大学生睡眠质量与背外侧前额叶Avg-HbO指标呈现正相关,睡眠质量较差组背外侧额叶Avg-HbO指标低于良好组。利用fNIRS技术精确收集在认知任务时背外侧前额叶的血氧信号,可作为大学生睡眠质量有效鉴别工具。 Abstract:Objective Functional near infrared spectroscopy (fNIRS) was used to assess brain oxygenated hemoglobin (Oxy-Hb) activation in college students with different sleep quality under the verbal fluency task (VFT), so as to better provide a theoretical basis for the neural mechanism for sleep quality improvement of college students. Methods A simple random sampling method was used to investigate 96 college students from one university during 2020 and 2021. According to the results of the Pittsburgh Sleep Quality Index(PSQI), participants were divided into 3 groups: good sleep quality group(n=45), moderate group(n=33), and poor group(n=18). The 53-channel near-infrared spectroscopy to collect cerebral blood oxygen signals under the VFT task. Association between oxygenated hemoglobin with sleep quality was analyzed. Results About 18.75% of college students reported sleep quality problems, including long sleep latency (0.97±0.97) and poor subjective sleep quality (0.96±0.72). There was a significant negative correlation between PSQI score and average oxygenated hemoglobin (Avg-HbO) index of dorsolateral prefrontal lobe (r=-0.23, P=0.03). The Avg-HbO index differed significantly between good and poor sleep quality groups on dorsolateral prefrontal lobe(P=0.05). Conclusion This study verified that there is a positive correlation between sleep quality and cognitive ability among college students. The fNIRS technique could accurately collect blood oxygen signals from dorsolateral prefrontal lobe during cognitive tasks, which proves to be an effective tool for identifying sleep quality of college students. -
Key words:
- Sleep /
- Oxyhemoglobins /
- Analysis of variance /
- Students
1) 利益冲突声明 所有作者声明无利益冲突。2) 任虹霖和边越然为并列第一作者。 -
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