Takahashi Shingo, Sakurai Noriko, Kasai Satoshi, Kodama Naoki
Department of Healthcare Informatics, Faculty of Health and Welfare, Takasaki University of Health and Welfare, 37-1 Nakaorui-machi, Takasaki 370-0033, Japan.
Department of Radiological Technology, Faculty of Medical Technology, Niigata University of Health and Welfare, 1398 Shimami-cho, Kita-ku, Niigata 950-3198, Japan.
Brain Sci. 2022 Apr 11;12(4):488. doi: 10.3390/brainsci12040488.
Previous studies have reported a relationship between stress and brain activity, and stress has been quantitatively evaluated using near-infrared spectroscopy (NIRS). In the present study, we examined whether a relationship exists between salivary amylase levels and brain activity during the trail-making test (TMT) using mobile NIRS. This study aimed to assess stress levels by using mobile NIRS. Salivary amylase was measured with a salivary amylase monitor, and hemoglobin concentration was measured using Neu's HOT-2000. Measurements were taken four times for each subject, and the values at each measurement were evaluated. Changes in the values at the first-second, second-third, and third-fourth measurements were also analyzed. Results showed that the value of the fluctuations has a higher correlation than the comparison of point values. These results suggest that the accuracy of stress assessment by NIRS can be improved by using variability and time-series data compared with stress assessment using NIRS at a single time point.
先前的研究报告了压力与大脑活动之间的关系，并且已经使用近红外光谱法（NIRS）对压力进行了定量评估。在本研究中，我们使用便携式近红外光谱仪，研究了在连线测验（TMT）期间唾液淀粉酶水平与大脑活动之间是否存在关系。本研究旨在通过使用便携式近红外光谱仪评估压力水平。使用唾液淀粉酶监测仪测量唾液淀粉酶，并使用Neu's HOT-2000测量血红蛋白浓度。对每个受试者进行了四次测量，并对每次测量的值进行了评估。还分析了第一次-第二次、第二次-第三次和第三次-第四次测量值的变化。结果表明，波动值的相关性高于点值比较。这些结果表明，与在单个时间点使用近红外光谱仪进行压力评估相比，通过使用变异性和时间序列数据，可以提高近红外光谱仪压力评估的准确性。
