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    科学领域:

    • 神经科学是一个神经科学.
    • 医疗成像医学成像
    • 生物医学工程 生物医学工程

    背景情况:

    • 超焦超声波 (tFUS) 为研究和临床使用提供非侵入性神经调节.
    • 精确的目标定位和tFUS光束的定位对于避免非目标效应和损坏至关重要.
    • 目前的方法需要精确的空间精度,以有效地刺激大脑.

    研究的目的:

    • 介绍一种用于精确准和定位tFUS光束的新方法.
    • 为了提高精度,将光学跟踪与MR声波辐射力成像相结合.
    • 在临床上实际的时间框架内提供指导坐标,以准特定的大脑区域.

    主要方法:

    • 一个光学跟踪的水电话和MRI成像被用于坐标转换和偏差校正.
    • 聚焦超声波 (FUS) 的焦点坐标被转换为MR空间以进行准和错误校正.
    • 这种方法在体内通过18个的跨骨聚焦超声波研究得到了验证.

    主要成果:

    • 一次本地化扫描将平均准误差从4.8mm降至1.4mm.
    • 该方法可以从单个传感器位置定位多个大脑区域.
    • 在实体中定位tFUS光束时,获得了高精度.

    结论:

    • 开发的方法显著提高了tFUS定位的准确性.
    • 这一进步有助于通过复杂的刺激方法研究tFUS神经调节.
    • 能够为未来的神经科学研究提供精确的多部位大脑刺激.