Smith Elizabeth, Anderson Afrouz, Thurm Audrey, Shaw Philip, Maeda Mika, Chowdhry Fatima, Chernomordik Victor, Gandjbakhche Amir
a Department of Human Development , National Institute of Child Health and Human Development , Bethesda , Maryland.
b Pediatrics and Developmental Neuroscience Branch, National Institute of Mental Health , Bethesda , Maryland.
Dev Neuropsychol. 2017;42(4):253-264. doi: 10.1080/87565641.2017.1318391. Epub 2017 Jun 16.
Functional Near Infrared Spectroscopy (fNIRS) is a brain imaging technique that is well-suited for use in young children, making it particularly useful for investigating the neural bases of the development of executive functions. In the present study, children (ages 4-10) underwent fNIRS while completing response inhibition and working memory tasks. While both tasks were associated with increases in oxyhemoglobin and decreases in deoxyhemoglobin, we found that strength of activation increased with age and with improvements in task performance. These findings support the relation between emerging executive functions and maturation of the prefrontal cortex.
功能近红外光谱技术(fNIRS)是一种脑成像技术,非常适合用于幼儿,这使得它在研究执行功能发展的神经基础方面特别有用。在本研究中,4至10岁的儿童在完成反应抑制和工作记忆任务时接受了功能近红外光谱技术检测。虽然这两项任务都与氧合血红蛋白增加和脱氧血红蛋白减少有关,但我们发现激活强度随着年龄增长和任务表现的改善而增加。这些发现支持了新兴执行功能与前额叶皮质成熟之间的关系。