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31 results about "Prefrontal lobe" patented technology

Medical Definition of prefrontal cortex. : the gray matter of the anterior part of the frontal lobe that is highly developed in humans and plays a role in the regulation of complex cognitive, emotional, and behavioral functioning.

Non-invasive monitoring method and device for cerebral blood oxygen

The invention discloses a non-invasive monitoring method and a monitoring device for cerebral blood oxygen, and develops a non-invasive monitoring method for blood oxygen saturation of local tissues of a human brain by utilizing different absorbances of oxyhemoglobin and deoxidized hemoglobin to near-infrared light, so that the method does not cause harm to a human body; continuous real-time monitoring of the cerebral blood oxygen value can be achieved through a continuous cerebral blood oxygen value prediction model, the influence of melanin is considered, correction factors are added, surface interference signals and deep useful signals are detected respectively, the content of the collected signals is richer, and the cerebral blood oxygen signals with the high signal-to-noise ratio canbe obtained through processing conveniently; further, the cerebral forehead lobe area local oxyhemoglobin saturation monitoring value without the human head tissue interference signal is solved, so that the cerebral oxyhemoglobin continuous monitoring stability is better, and the monitoring precision is higher. A new solution is provided for non-invasive monitoring of cerebral blood oxygen, and clinical application of non-invasive monitoring of cerebral blood oxygen can be better promoted.
Owner:CHONGQING UNIV

Wireless multi-brain-region brain blood oxygen wearable detection system and method

The invention discloses a wireless multi-brain-region brain blood oxygen wearable detection system and method. The system comprises a collector and a plurality of probes, wherein the plurality of probes communicate with the collector through cables; the probes include prefrontal lobe brain region probes covering the left side and the right side of the brain and any brain region probe or a combination of multiple brain region probes of occipital lobe brain region probes, parietal lobe brain region probes and temporal lobe brain region probes covering the left side and the right side of the brain; the plurality of probes are correspondingly attached to divided functional brain regions; the probes are driven and controlled to emit detection light to the corresponding brain regions; the probessimultaneously receive the emitted detection light of the functional brain regions, and collect brain blood oxygen signals of the brain regions; and the collected brain blood oxygen signals of the brain regions are processed to obtain brain blood oxygen collection information of the brain regions. Through simultaneous detection of the multiple brain regions, the brain regions of partial anteriorcirculation cerebral infarction and posterior circulation cerebral infarction can be covered, and the limitation that only the anterior circulation infarction of the brain can be reflected is overcome.
Owner:中科搏锐(北京)科技有限公司 +1

Lactobacillus rhamnosus CCFM1228 with functions of relieving depressive emotion and promoting intestinal tract to secrete IgA (Immunoglobulin A) and application of lactobacillus rhamnosus CCFM1228

PendingCN114540245ABoosts serotonin levelsIncreased levels of BDNFMilk preparationNervous disorderPhysiologyHypothalamus
The invention discloses lactobacillus rhamnosus CCFM1228 with functions of relieving depressive mood and promoting intestinal tract to secrete IgA and application of the lactobacillus rhamnosus CCFM1228, and belongs to the technical field of microorganisms. The lactobacillus rhamnosus can relieve depression-like behaviors of depressive mice, increase the content of neurotransmitter 5-hydroxytryptamine in the brain and increase the BDNF level in hippocampus of the depressive mice, and the lactobacillus rhamnosus CCFM1228 has the functions of relieving depressive mood and promoting intestinal tract to secrete IgA. The expression of hypothalamus Crh mRNA is inhibited, the level of corticosterone in serum is reduced, the activity of xanthine oxidase in cerebral cortex is reduced, the activity of adenosine deaminase in liver is improved, and the content of uric acid in serum is reduced; the prefrontal lobe Mbp mRNA level is improved, and the stability of the CNS myelin sheath structure and function is maintained; the mRNA level of the prefrontal lobe Gfap is improved, and the function of astrocytes is enhanced; the mRNA level of hippocampus CD36 is reduced, and immune homeostasis is regulated; the level of IgA in host feces can be improved on the basis of relieving the depression mood, and wide application prospects are achieved.
Owner:JIANGNAN UNIV

Brain-like algorithm for sleep staging by applying prefrontal lobe single-channel electroencephalogram signals

PendingCN114081439ADoes not interfere with nighttime sleepEasy to collectDiagnostic recording/measuringSensorsSleep stagingPrefrontal lobe
The invention discloses a brain-like algorithm for sleep staging by applying prefrontal lobe single-channel electroencephalogram signals, and the construction of the algorithm comprises the following steps: collecting Fp1-Fp2 electroencephalogram data, removing artifacts from the collected signals, filtering, carrying out segmentation processing and data labeling, extracting data features after segmentation processing, building an HDC model, carrying out model storage, and carrying out sleep staging, wherein the filtering operation on the collected signals comprises high-low pass filtering and 50Hz power frequency notch filtering on the electroencephalogram signals with artifacts removed. The algorithm has the advantages that the brain-like algorithm, namely the HDC algorithm, is used, the classification effect of a medium neural network can be achieved only through training of a small amount of data, even the model effect of classification can be achieved through one-time learning, and more importantly, the HDC algorithm is quite light and suitable for being applied to local hardware such as wearable equipment, direct learning and prediction can be realized; and a lot of resources can be saved in the aspects of data transmission and model storage.
Owner:浙江柔灵科技有限公司

Anesthesia depth monitoring system and method based on near infrared spectroscopy

The invention provides an anesthesia depth monitoring system and method based on near infrared spectroscopy. The anesthesia depth monitoring system comprises a cerebral blood oxygen signal acquisitionmodule A, a sample entropy calculating module B, a target signal identification module C and an optimal threshold determining module D; first, various Hb and HbO2 signals of the prefrontal lobe of apatient are collected through near infrared light with the wavelength being 735 nm and near infrared light with the wavelength being 850 nm correspondingly, and band-passing filtering of 0.01-0.04 Hzis conducted; then data processing is conducted by a sample entropy algorithm, and the sample entropy values of the patient at different stages are calculated; by drawing an ROC curve, signals with the highest distinguishing capacity to an anesthesia state and a waking state are selected by an ACU value; at last, the optimal threshold value capable of distinguishing the anesthesia stage and the waking stage is found through a youden index, and the anesthesia depth is monitored by the threshold value. The anesthesia depth monitoring system and method have the advantages that the data length required by calculating is small, the operation efficiency is high, the signals needing to be monitored can be screened out more quickly, safety and convenience are achieved, and the prince is low.
Owner:XI AN JIAOTONG UNIV

A method and device for non-invasive monitoring of cerebral blood oxygen

The invention discloses a method and a monitoring device for non-invasive monitoring of cerebral blood oxygen. The invention utilizes the difference in absorption of near-infrared light between oxygenated hemoglobin and deoxygenated hemoglobin to develop a method for monitoring blood oxygen saturation in local tissues of the human brain. Non-invasive monitoring method, this method will not cause harm to the human body, and the continuous real-time monitoring of cerebral blood oxygen value can be realized through the continuous cerebral blood oxygen value prediction model, considering the influence of melanin and adding a correction factor, respectively detecting surface interference signals With the deep useful signal, the collected signal content is more abundant, and it is convenient to process the cerebral blood oxygen signal with high signal-to-noise ratio, and then obtain the local blood oxygen saturation monitoring value in the prefrontal region of the brain that removes the interference signal of the human head tissue, so that Cerebral blood oxygen continuous monitoring has better stability and higher monitoring accuracy. The invention provides a new solution for non-invasive monitoring of cerebral blood oxygen, and is more conducive to promoting the clinical application of non-invasive monitoring of cerebral blood oxygen.
Owner:CHONGQING UNIV

Brain functional connection detection method and system based on near-infrared spectroscopy

The invention discloses a brain function connection detection method and a brain function connection detection system based on the near infrared spectrum. The method comprises the steps that the near infrared spectrum is utilized to collect the blood oxygen parameter of a time sequence function, the function is then imported into wavelet coherence and wavelet phase position coherence analysis software for time-frequency domain conversion, meanwhile, the brain oxygen parameter wavelet phase coherence coefficient and wavelet phase position coherence parameter under different feature frequencies are calculated, and then the two coefficients are input to a brain function connection detection model established on the basis of a partial least square method, and then the detection result of the brain function connection feature of a tester is provided. With the brain function connection detection method and the brain function connection detection system based on near infrared spectrum, the brain blood oxygen signals of left and right prefrontal lobes are monitored at the same time, and the method is simple and convenient; in monitoring, a photoelectric sensor only needs to be placed at the positions of the left and right prefrontal lobes of the tester, so that the brain oxygen parameter of the tester can be obtained in real time through the near infrared spectrum method, and the anti-interference performance is strong; the sensitivity and reliability of the monitoring index are high.
Owner:SHANDONG UNIV

Detection method for cognitive function of patient with schizophrenia

ActiveCN113288174AThe degree of cognitive impairment is objective and accurateObjective and accurate gradingSensorsPsychotechnic devicesElectroencephalogram electrodePhysical medicine and rehabilitation
The invention provides a method for detecting the cognitive function of a patient suffering from schizophrenia. The problems that an existing cognitive impairment evaluation method for the patient suffering from schizophrenia is too complex in detection and cannot perform objective evaluation are solved. The method comprises the steps: arranging a light source and a detector on the forehead lobe and the Weernike area of the head of a patient, and enabling electroencephalogram electrodes to be attached to the head of the patient; 2, collecting resting state data of the patient within a set time; 3, guiding the patient to complete the cognitive function evaluation scale according to the sequence, and meanwhile, collecting the whole process of completing the cognitive function evaluation scale by the patient through a behavior recording camera; 4, transmitting the cerebral blood oxygen data and the electroencephalogram data to a working machine; 5, processing the data; 6, comparing the processed blood oxygen index, resting-state electroencephalogram data and cerebral blood oxygen data with the last detection data of the patient to obtain the cognitive function change of the patient.
Owner:XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI

Anesthesia depth monitoring system and method based on near-infrared spectroscopy

The invention provides an anesthesia depth monitoring system and method based on near infrared spectroscopy. The anesthesia depth monitoring system comprises a cerebral blood oxygen signal acquisitionmodule A, a sample entropy calculating module B, a target signal identification module C and an optimal threshold determining module D; first, various Hb and HbO2 signals of the prefrontal lobe of apatient are collected through near infrared light with the wavelength being 735 nm and near infrared light with the wavelength being 850 nm correspondingly, and band-passing filtering of 0.01-0.04 Hzis conducted; then data processing is conducted by a sample entropy algorithm, and the sample entropy values of the patient at different stages are calculated; by drawing an ROC curve, signals with the highest distinguishing capacity to an anesthesia state and a waking state are selected by an ACU value; at last, the optimal threshold value capable of distinguishing the anesthesia stage and the waking stage is found through a youden index, and the anesthesia depth is monitored by the threshold value. The anesthesia depth monitoring system and method have the advantages that the data length required by calculating is small, the operation efficiency is high, the signals needing to be monitored can be screened out more quickly, safety and convenience are achieved, and the prince is low.
Owner:XI AN JIAOTONG UNIV

Cognitive function evaluation method based on Stroop color word test and near-infrared brain function imaging

The invention relates to a cognitive function evaluation method based on Stroop color word testing and near-infrared brain function imaging. The cognitive function evaluation method is technically characterized by comprising the following steps: acquiring light intensity data of brain tissues of prefrontal lobes on two sides and a Stroop color word testing result of a subject in the Stroop color word testing process through a functional near-infrared imaging system; converting the light intensity data of the subject into brain physiological information data, and calculating the intensity of a double-forehead area; according to the method, the subjects which have cognitive function decline or poor cognitive states and cannot be well matched to complete traditional neuropsychological scale evaluation are tested; and comparing the Stroop color word test results of the subject and the normal person and whether the intensity of the double-forehead region is obviously different, and analyzing the correlation between the Stroop color word test results and the intensity of the double-forehead region and the MoCA score. According to the method, the Stroop color word test and near-infrared brain function imaging technology are adopted, the cognitive function is evaluated through brain function connectivity, the test result is accurate and reliable, the test process is simple, and a subject can easily complete the test.
Owner:天津市环湖医院 +1

Brain blood oxygen non-invasive monitoring device

The invention discloses a brain blood oxygen non-invasive monitoring device which comprises a brain blood oxygen information acquisition probe, a non-invasive acquisition subsystem and a monitoring processing subsystem, and an area, corresponding to a brain prefrontal lobe, of the head of a human body serves as a brain blood oxygen non-invasive monitoring area. Red light absorption conditions of a brain blood oxygen noninvasive monitoring area are collected to serve as characterization values of human head tissue interference signals, and infrared light absorption conditions of two different wavelengths of the brain blood oxygen noninvasive monitoring area are collected to serve as characterization values of brain oxyhemoglobin concentration and brain reduced hemoglobin concentration respectively. Furthermore, a brain oxyhemoglobin concentration value and a brain reduced hemoglobin concentration value which do not contain human head tissue interference signals are obtained through processing, and continuous real-time monitoring on the brain blood oxygen value can be stably and accurately realized. A new solution is provided for brain blood oxygen non-invasive monitoring, stability and accuracy of brain blood oxygen non-invasive monitoring are improved, and clinical application of brain blood oxygen non-invasive monitoring is promoted.
Owner:CHONGQING UNIV

Method for researching proteome change of rat suffering from depression or anxiety based on proteomics

The invention discloses a method for researching proteome change of a rat suffering from depression or anxiety based on proteomics. The method comprises the following steps: 1, carrying out rat brainforehead cortex separation and protein extraction; 2, carrying out FASP method enzymolysis, polypeptide iTRAQ labeling, SCX grading and LC-MS/MS mass spectrometry analysis on the protein sample obtained in the step 1; 3, performing library search and bioinformatics analysis on the mass spectrum data obtained in the step 2; and 4, carrying out PRM technical verification on the differential proteinobtained in the step 3. According to the invention, 1, the preclinical model constructed by using the CMS can help to expose potential molecular characteristics of depression and anxiety disorder; 2,depression and anxiety cause reduction of prefrontal cortex cerebral volume and dendritic spine of human beings or animals; and 3, an iTRAQ quantitative proteomics method is adopted to carry out difference analysis on the expression levels of the forehead leaf proteins of the four groups of depression/anxiety rat models, so that the reliability, objectivity and accuracy of a quantitative proteomics result are improved.
Owner:深圳市微纳菲生物技术有限公司 +1
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