Name: exploring cognitive functions in babies, children &amp; adults with near infrared spectroscopy
Uploaded: 2009-07-28T16:25:00
Description: Watch this Scientific Journal Video about Exploring Cognitive Functions in Babies, Children & Adults with Near Infrared Spectroscopy at JoVE.com

这项工作是支持由LAP（PI）的赠款： 美国国立卫生R21 HD50558，荣获2005-07;国家卫生R01 HD045822研究院颁发的2004-09年;达纳基金会赠款， 荣获2004-06;加拿大创新基金会（CFI“补助金），授予 2008年至2012年，安大略省的研究基金资助，荣获2008年至2012年。

第1部分：在此之前，参与者到达实验室<ol><li>确保该房间是多余的物品，可能分散注意力的参与者。 </li><li>设置和负载fNIRS日立，ETG - 4000系统的实验性协议。 </li><li>设置您的实验范式。实验范式，可以设定不同的演示软件，包括Eprime，简报，Psyscope或一个基于MATLAB的心理工具箱。在这里，我们使用基于MATLAB的心理工具箱。 </li><li>时序数据分析的关键，因此，实验范式，必须完全定时与数据收集...

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在这项研究中，我们展示了一种新型的，非侵入性fNIRS的脑成像技术来研究有关人类认知和感知人的大脑功能。 fNIRS脑成像技术可能代表的非侵入性的脑成像技术的未来，特别是婴儿和儿童的人口，可能有一天会在实验室广泛使用，医生的办公室，并让医生申请有关的基本的科学发现，在学校系统他们的临床实践中的大脑。

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exploring cognitive functions in babies, children &amp; adults with near infrared spectroscopy

红外光谱（fNIRS）较高的认知过程，如语言 1,2,3,4,5,6,7,8,9,10， 内存 11，皮质活化调查研究， 注意 12附近爆炸功能正在进行全球范围内涉及成人，儿童和婴儿3,4,13,14,15,16,17,18,19典型和非典型的认知20,21,22。当代的认知神经科学fNIRS的挑战是实现系统的数据，例如，他们普遍的解释是 23,24,25,26，从而可能推进人类更高的认知力的基本功能的组织和神经系统的重要科学问题的分析。 现有的神经影像学技术，要么不太可靠的时间或空间分辨率。事件相关电位和磁脑照相的企业资源计划（ERP和MEG）有良好的时间分辨率，而正电子发射断层扫描和功能磁共振成像（PET和fMRI）有更好的空间分辨率。使用非电离光波长在近红外波段（700-1000纳米），优先吸收680 nm和脱氧血红蛋白氧血红蛋白优先吸收830纳米（例如，的确，非常硬连接到波长fNIRS是fNIRS日立，ETG - 400系统这里说明），以及适用于更高的认知力的研究，因为它不使用辐射和良好的空间分辨率（〜4厘米深）既有良好的时间分辨率（〜5秒），并没有要求参与者在一个封闭的结构27,28。与会者皮质活动可以评估，而舒适地坐在一个普通的椅子（成人，儿童），甚至坐在妈妈的腿上（婴儿）。值得注意的是，近红外光谱是独特的便携式（台式计算机的大小），几乎无声，并可以容忍一个微妙的运动参与者。这是特别突出的神经研究人类的语言，这必然有它的嘴在讲话生产或手语的手运动的关键部件之一。 在其中的血流动力学反应是本地化的方式是由激光发射器和探测器阵列。发射器发出的非电离光的强度，而探测器检测到从皮质表面反射回来的金额。紧密联系起来的optodes，空间分辨率更大，而进一步除了optodes，更深入的渗透。对于fNIRS日立，ETG - 4000系统的最优渗透/分辨率optode阵列设置2厘米。 我们的目标是展示我们的采集和分析fNIRS数据，以帮助规范领域，使不同fNIRS实验室在全球范围内都有一个共同的背景的方法。

Watch this Scientific Journal Video about Exploring Cognitive Functions in Babies, Children & Adults with Near Infrared Spectroscopy at JoVE.com

Exploring Cognitive Functions in Babies, Children & Adults with Near Infrared Spectroscopy

在这里，我们介绍了近红外光谱（fNIRS），认知神经科学中使用的一种新型的非侵入性的脑成像系统，功能，特别是在学习孩子大脑发育的数据收集和数据分析方法。这种方法提供了一个重要的数据采集和分析数据的解释和科学发现的普遍标准。

近红外光谱技术在婴儿，儿童及成人的认知功能探索

An explosion of functional Near Infrared Spectroscopy (fNIRS) studies investigating cortical activation in relation to higher cognitive processes, such as ...

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Exploring Cognitive Functions in Babies, Children &amp; Adults with Near Infrared Spectroscopy

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