Dynamic brain function detection method and system based on near infrared spectrum and blood pressure information

A near-infrared spectrum and detection method technology, applied in the field of dynamic brain function detection, can solve problems such as complex methods and expensive equipment, and achieve good time-frequency adaptability, convenient real-time detection, and high portability

Active Publication Date: 2017-02-22
国家康复辅具研究中心
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Problems solved by technology

However, this type of monitoring method is based on magnetic resonance imaging to det

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  • Dynamic brain function detection method and system based on near infrared spectrum and blood pressure information
  • Dynamic brain function detection method and system based on near infrared spectrum and blood pressure information
  • Dynamic brain function detection method and system based on near infrared spectrum and blood pressure information

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[0106] The method and system for dynamic brain function detection based on near-infrared spectrum and blood pressure information of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood by those skilled in the art that the embodiments described below are only exemplary illustrations of the present invention, and are not intended to make any limitation thereto.

[0107] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0108] The present invention collects the tester's cerebral oxygen content and arterial blood pressure signals by using the near-infrared spectrum detection module and the arterial blood pressure detection module, and inputs the collected signals into the wavelet coherence analysis module, the wavelet phase coherence module and the effect connection analysis module respectively, The wavelet coherence coefficient, wavelet phas...

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Abstract

The invention relates to a dynamic brain function detection method and system based on a near infrared spectrum and blood pressure information. The method comprises the steps that 1, near infrared spectrum detection equipment is used for collecting a brain blood oxygen signal of a testee, and meanwhile blood pressure equipment is used for collecting arterial blood pressure of the testee; 2, a brain blood oxygen signal and the blood pressure signal collected in the step 1 are input into a wavelet coherence analysis module, the wavelet coherence analysis method is used for performing time frequency analysis on the blood pressure signal and the brain blood oxygen signal of each channel, a pair of near infrared transmitter and an absorption sensor form a channel, and different physiological source rates correspond to different feature frequency sections; 3, according to the time frequency analysis in the step 2, a wavelet coherence coefficient of each feature frequency section is obtained, and the wavelet coherence coefficient shows consistency of the blood oxygen signal and the blood pressure inside the feature frequency section. By means of brain blood oxygen and arterial pressure physiological signals, on the basis of wavelet coherence or wavelet phase coherence or effect connection analysis, the noninvasive dynamic brain function is easily evaluated.

Description

technical field [0001] The invention relates to a dynamic brain function detection method and system, in particular to a dynamic brain function detection method and system based on fusion of near-infrared spectrum and blood pressure information. Background technique [0002] Dynamic brain dysfunction is an important influencing factor of postural instability in middle-aged and elderly people, and an important cause of cardiovascular and cerebrovascular diseases. By using a simple and non-invasive method to detect dynamic brain function, the dynamic adjustment level of brain function can be evaluated, which has a good effect of monitoring and preventing diseases. [0003] Chinese patent 201510133022 proposes a fMRI dynamic brain function sub-network construction and parallel SVM weighted identification method, Chinese patent 201410572855 proposes a brain functional magnetic resonance imaging method and system, Chinese patent 201410178606 proposes a dynamic brain functional ma...

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Application Information

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IPC IPC(8): A61B5/00A61B5/1455A61B5/0205
CPCA61B5/0205A61B5/021A61B5/14553A61B5/4064A61B5/72A61B5/7253
Inventor 李增勇王丽婷徐功铖王碧天
Owner 国家康复辅具研究中心
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