Effect of Light on Cognitive Function During a Stroop Task Using Functional Near-Infrared Spectroscopy.

IF 3.7 Q2 GENETICS & HEREDITY

Phenomics (Cham, Switzerland) Pub Date : 2021-04-01 DOI:10.1007/s43657-021-00010-5

Yafei Yuan, Guanghao Li, Haoran Ren, Wei Chen

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引用次数: 1

Abstract

Light modulates human brain function through its effect on circadian rhythms, which are related to several human behavioral and physiological processes. Functional near-infrared spectroscopy (fNIRS) is a noninvasive optical neuroimaging technique used for recording brain activation during task performance. This study aimed to investigate the effects of light on cognitive function, particularly in the prefrontal cortex using fNIRS. The effect of light on cognitive modulation was analyzed using the Stroop task, which was performed on 30 participants under three different light conditions (color temperature 4500 K, 2500 K, and none). The behavioral results indicated that light conditions can easily and effectively modulate the performance of tasks based on the feedback, including the response time and accuracy. fNIRS showed hemodynamic changes in the bilateral dorsolateral prefrontal cortices, and the activated brain regions varied under different light conditions. Moreover, light may be regarded as a safe, effective, inexpensive, and accessible tool for modulating human cognitive function.

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利用功能近红外光谱研究Stroop任务中光对认知功能的影响。

光通过对昼夜节律的影响来调节人类的大脑功能，而昼夜节律与人类的一些行为和生理过程有关。功能近红外光谱(fNIRS)是一种非侵入性光学神经成像技术，用于记录任务执行过程中的大脑活动。本研究旨在利用近红外光谱研究光对认知功能的影响，特别是对前额皮质的影响。通过Stroop任务分析了光对认知调节的影响，该任务在三种不同的光条件下(色温4500 K, 2500 K和无色温)对30名参与者进行。行为学结果表明，光照条件可以根据反馈轻松有效地调节任务的性能，包括响应时间和精度。fNIRS显示双侧背外侧前额叶皮层血流动力学变化，不同光照条件下激活的脑区不同。此外，光可以被视为一种安全、有效、廉价和可获得的调节人类认知功能的工具。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Phenomics (Cham, Switzerland)

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