搜索结果: 1-15 共查到“医学 map”相关记录20条 . 查询时间(0.195 秒)
研究氨氯地平联合氢氯噻嗪对老年高血压病人平均动脉压（MAP）、内生肌酐清除率（Ccr）、24 h-微量白蛋白尿（24-MAU）水平的影响。方法选取2015年2月—2016年2月我院收治的高血压病人88例，按照随机数字表法均分为试验组与对照组，每组44例。对照组予以氢氯噻嗪治疗，试验组则予以氨氯地平联合氢氯噻嗪治疗。比较两组治疗后血压达标率、不良反应发生率，治疗前后血压变异性水平变化情况，MAP、C...
研究细胞外信号调节激酶1/2（Erk1/2，一种MAP激酶）失活对成纤维细胞生长因子21（FGF21）调节肝脏脂质代谢的影响。方法：选取8周龄雄性C57BL/6J野生型（WT）小鼠，经高脂饲料（HFD）喂养4周后，然后分别给予U0126（MEK抑制剂，使Erk1/2失活）和腺相关病毒携带的FGF21（AAV-FGF21）处理4周观察小鼠肝脏脂质代谢及其相关调控基因的变化状况。此外，体外原代培养肝细...
Researchers Map Brain Activity to Improve Prosthetic Design
Researchers Map Brain Activity Prosthetic Design
2017/12/19
High-tech prosthetics allow amputees to engage more fully in everyday life, even to compete in sporting events. Researchers from the University of Houston have demonstrated how brain activity is used ...
Nanopores could map small changes in DNA that signal big shifts in cancer
Nanopores map small changes DNA that signal big shifts cancer
2017/4/27
Detecting cancer early, just as changes are beginning in DNA, could enhance diagnosis and treatment as well as further our understanding of the disease. A new study by University of Illinois researche...
Researchers Map How the Brain Processes Faces From Sight to Recognition
Researchers Map Brain Processes Faces Sight to Recognition
2017/1/9
At a glance, you can recognize a friend's face whether they are happy or sad or even if you haven't seen them in a decade. How does the brain do this — recognize familiar faces with efficiency and eas...
Scientists map brain’s thesaurus to help decode inner thoughts
Scientists map brain’s thesaurus decode inner
2016/5/6
What if a map of the brain could help us decode people’s inner thoughts?UC Berkeley scientists have taken a step in that direction by building a “semantic atlas” that shows in vivid colors and mu...
3-D MAP OF THE BRAIN
3-D MAP THE BRAIN
2015/11/12
The animal brain is so complex, it would take a supercomputer and vast amounts of data to create a detailed 3-D model of the billions of neurons that power it.
But computer scientists and a professor...
观测头针配合康复训练对脑缺血再灌注损伤沙鼠模型神经可塑性相关蛋白MAP-2调节作用。 方法使用SPSS 19.0版统计软件生成的随机数字表将36只成功造模的脑缺血再灌注损伤模型雄性沙鼠随机分为模型组、康复训练组和头针配合康复训练组，每组12只。模型组不作任何干预措施，康复训练组采用康复训练治疗，头针配合康复训练组给予头部穴位电针刺激配合康复训练治疗；1日1次，共治疗14d。分别于术后24h、第7天...
《 Psychological Testing That Matters: Creating A Road Map For Effective Treatment》（图）
Psychological Testing A Road Map For Effective Treatment
2013/12/6
his groundbreaking book offers a person- and treatment-centered approach to psychological testing, as opposed to the more common test-centered approach. The result is a clinically nuanced and robust a...
基于MAP的超声图像分解去噪算法研究
超声图像分解 最大后验概率估计 斑点噪声 全变差去噪
2017/1/12
超声图像中的斑点噪声，降低图像分辨率和对比度，不利于后续图像处理.本文基于最大后验概率（Maximum A Posteriori，MAP）推导出一种新的超声图像分解算法，将原始超声图像分解为无散斑真实图像和散斑图像.使用六组不同的参数值，对Field II仿真的超声图像进行分解试验，得出算法中比例参数对分解结果的影响规律.用该方法分解三幅人体超声图像，得到的真实图像平滑性好，且能较好的保留细节和边...
腰椎间盘退变的磁共振T2 map定量研究
椎间盘退变 磁共振成像 横向弛豫时间
2011/10/22
目的 探讨T2 map成像定量评价早期腰椎间盘退变的价值。方法 对46名受试者行腰椎MR矢状位T2WI及正中矢状位T2 map成像,根据Pfirrmann标准将L1-S1椎间盘分级,并测量髓核及纤维环前后缘T2值。分别比较各级髓核和纤维环前后缘T2值,对髓核和纤维环前后缘T2值与年龄、退变分级的相关性进行分析。采用单因素方差分析和Pearson相关分析。结果 共计测量229个椎间盘:①各分级腰椎间...
磁共振T2-Map的单、双指数拟合方法
磁共振成像 T2-Map 线性拟合 非线性回归
2011/10/15
目的 探讨MR图像单指数和双指数拟合的T2-Map方法,获得每个像素点的T2信息。方法 对不同TE条件下的一系列MR图像利用单、双指数拟合方法得到T2-Map图像。采用线性拟合和非线性回归方法实现对MR图像的每个像素点的单指数拟合和定点双指数拟合,得到T2-Map图像;上述计算过程是在MATLAB平台上开发T2-Map的计算软件,根据应用需求设计并实现计算、显示和存储等功能。结果 得到了单、双指数...
磁共振T2-Map的单、双指数拟合方法
磁共振成像 T2-Map 线性拟合 非线性回归
2014/6/3
探讨MR图像单指数和双指数拟合的T2-Map方法,获得每个像素点的T2信息。方法 对不同TE条件下的一系列MR图像利用单、双指数拟合方法得到T2-Map图像。采用线性拟合和非线性回归方法实现对MR图像的每个像素点的单指数拟合和定点双指数拟合,得到T2-Map图像;上述计算过程是在MATLAB平台上开发T2-Map的计算软件,根据应用需求设计并实现计算、显示和存储等功能。结果 得到了单、双指数拟合方...
Comparison of Lesion Detection and Quantification in MAP Reconstruction with Gaussian and Non-Gaussian Priors
MAP Non-Gaussian Priors
2009/9/8
Statistical image reconstruction methods based on maximum a posteriori (MAP) principle have been developed for emission tomography. The prior distribution of the unknown image plays an important role ...
Joint Brain Parametric T1-Map Segmentation and RF Inhomogeneity Calibration
Brain Parametric T1-Map Segmentation RF Inhomogeneity Calibration
2009/9/4
We propose a constrained version of Mumford and Shah's (1989) segmentation model with an information-theoretic point of view in order to devise a systematic procedure to segment brain magnetic resonan...