38 results about "Mental stress" patented technology

The invention discloses an AI assessment method and system for the safety risk of aged furniture, and relates to the technical field of artificial intelligence assessment, and the method comprises the steps: placing a virtual body in a virtual three-dimensional environment, and positioning a mismatching risk point of the body of a user and to-be-assessed furniture through applying simulation disturbance; extracting biomechanical parameters under the risk point and determining a physical risk value; carrying out dynamic deduction through a physiological-psychological state mapping relation based on biomechanical parameters, and determining a psychological stress value; fusing the physical risk value and the psychological pressure value to generate a current safety risk assessment result; based on a virtual body, simulating an elderly weak physiological trajectory, and performing long-term safety risk prediction on furniture in the same virtual three-dimensional environment; according to the method, mechanical disturbance and typical instability working condition simulation are introduced into the virtual three-dimensional environment, so that the safety guarantee level and the prospective evaluation capability of the aged furniture under the real use condition are improved.

The invention discloses a mental stress assessment and intelligent dredging method and system, and belongs to the technical field of digital medical treatment and health informatics. Multi-modal physiological signals are continuously collected through the wearable device, medical diagnosis level pressure state evaluation is carried out based on the personalized physiological baseline, and personalized pressure indexes and levels are generated; secondly, when it is diagnosed that the pressure level exceeds the standard, the system serves as an intelligent decision support system, the environment and schedule information after privacy protection processing is fused, and an optimal grooming action is dynamically selected from a predefined intervention action library and executed; finally, the system serves as a continuous learning system, the intervention efficiency is evaluated in real time according to feedback data of the pressure index after execution, the decision model is updated, and collaborative self-optimization of the diagnosis strategy and the intervention strategy is achieved. According to the method, medical diagnosis, personalized treatment decision and adaptive learning are integrated, and the systematicness, accuracy and intelligent level of mental stress related health problem management are improved.

The invention relates to a mental stress assessment method based on a non-contact sensor and HRV data analysis. The method comprises the following steps: acquiring a historical RR interval data set and a target day RR interval data set, and correspondingly generating a plurality of different interval characteristics based on RR interval data; calculating a quality score of the RR interval data; carrying out average calculation on the quality scores of all RR interval data contained in each sleep stage to obtain a stage average value corresponding to each sleep stage label; calculating a stability score value corresponding to each sleep stage based on the average value of each stage, and determining an optimal sleep stage; extracting all target day RR interval data of the optimal sleep stage, and generating a target day HRV value; generating a historical HRV sequence based on the historical RR interval data set; and performing numerical processing on the target day HRV value based on the constructed detrending model and the historical HRV sequence to generate a mental assessment HRV sequence, and generating a mental stress assessment result based on the mental assessment HRV sequence.

The invention discloses a construction method and application of a bacterium-derived depression mouse model, and belongs to the technical field of biological medicines. The method comprises the following steps: randomly grouping SPF (specific pathogen free) grade C57BL / 6J experimental mice; using drinking water quadruple antibiotics or intragastric administration quadruple antibiotics to deplete mouse background intestinal flora; according to the method, a freshly prepared Eggera tarda bacterial liquid is applied to male mice of 7-9 weeks old in an intragastric administration manner, and the bacterial-derived depression mouse model is constructed. According to the construction method disclosed by the invention, by directly planting the Eggera tarda which has a definite causal relationship with the major depression, multivariable interference introduced by a traditional complex mental stress model is avoided, and a'bacterial origin 'animal model which is more single in variable, clearer in causal relationship and clearer in mechanism is constructed; and an efficient and reliable experimental tool is provided for accurately explaining the specific action mechanism of the'microorganism-intestine-brain axis' mediated by the Eggera tarda in the occurrence and development of the depression.

The present invention provides a kind of composition containing bird's nest acid, phospholipid and polyunsaturated fatty acid and preparation method thereof, composition, when not adding any additives, bird's nest acid is dispersed in DHA grease in functional ingredients, while solving the problem that DHA is easily oxidized, promotes brain development, regulates immunity, promotes the absorption and utilization of minerals in the intestine and the effects of beauty and skin care. Phospholipids can prevent the sedimentation of bird's nest acid in ω 3 polyunsaturated fatty acid grease, and are phosphatidylcholine, phosphatidylethanolamine, phosphatidylinositol or phosphatidylserine. Not only can the sedimentation of bird's nest acid be prevented, but also the growth of nerve cells can be supported, thereby improving the absorption rate of DHA in the brain. Especially PS, itself can not only nourish the brain, enhance brain function, but also relieve mental stress and improve cognition, and is called "brain nutrient".

The invention provides a mental stress analysis method and equipment based on pulse waves. The method is applied to physiological signal processing. The method comprises the following steps: acquiring a pulse wave signal of a target object, wherein the pulse wave signal is a signal acquired by pulse wave acquisition equipment; extracting pulse rate change information from the pulse wave signal by using a window function with the length of 0, so as to obtain a forward pulse rate; reversely correcting a problem pulse rate in the forward pulse rate by adopting a path growth mode to obtain a target pulse rate; performing forward heartbeat point search on the target pulse rate, and performing reverse correction on the heartbeat point to obtain a heartbeat interval; calculating a heart rate variability parameter according to the heartbeat interval; and calculating the heart rate variability parameter by using a pre-constructed mental stress model to obtain a mental stress parameter. According to the invention, mental stress monitoring with low burden, high reliability and high accuracy is realized.

The utility model discloses a bionic negative oxygen ion generating device which comprises a mounting shell, a negative oxygen ion generator, a negative oxygen ion generator, a negative oxygen ion generator, a negative oxygen ion generator, a negative oxygen ion generator and a negative oxygen ion generator, and is characterized in that a fresh air inlet is formed in one side of the lower part of the mounting shell; a fresh air primary filter; a heat exchange core; a high efficiency filter; a fresh air fan; an exhaust primary filter; an exhaust motor; a negative ion generator module; a sensor module; a PTC heater; and a controller. The negative ion air purifier can release high-purity negative ions from the air purification level, actively purify air, settle pollutants such as dust and smoke, remove peculiar smell, sterilize and disinfect, effectively improve air quality, generate negative ions close to the nature in the health aspect, promote metabolism of a human body, enhance immunity, improve the functions of a respiratory system and a nervous system, and improve the health of the human body. The symptoms of respiratory diseases and mental stress are relieved.

This utility model discloses a decompression device for emotion management training, relating to the field of mental stress assistance technology. It includes a grip plate with four vertically equidistant clearance holes on one side. A semi-pressure ring is located inside each clearance hole, and a connecting rod is fixed to the outer arc surface of the semi-pressure ring. A limiting groove is provided on the side of the grip plate near the connecting rod, and a reset structure is located inside the limiting groove. An adjustment structure is provided between the grip plate and the reset structure to adjust the position of the reset structure. Through the adjustment structure, this utility model allows users to flexibly adjust the position of the second magnetic block according to their grip strength, making it more flexible and meeting the needs of users with different grip strengths. Regardless of the user's grip strength, the pressing distance of the user's fingers is maximized, ensuring a comfortable pressing experience and achieving an effective decompression effect.

1. The name of the design product: smart decompression ring. 2. The use of the design product: the design product is mainly used to relieve mental stress and measure heart rate changes. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The invention discloses a control method and a related device. According to the application, various types of execution components can be controlled to work together, and different pressure relief modes are combined to perform pressure relief on a user together, so that the limitation of a single mode can be made up, comprehensive pressure relief can be realized, the pressure relief effect can be improved, and the mental pressure and muscle tension of a human body can be deeply relieved. Moreover, pressure relief is performed in combination with different pressure relief modes, so that pressure relief requirements of different scenes can be met, and pressure relief flexibility is improved.

We provide the system. [Solution] A means for acquiring the user's learning history information and selecting learning problems optimized for the user, A means for dynamically generating dialogue content based on the selected learning questions, A means for receiving user voice input, converting it into text data, and analyzing the text data, A means of providing feedback to users based on the analysis results, A means for detecting a user's mental stress and providing dialogue content for mental care as needed, A means of recording the user's learning results and updating the learning profile for the next session, A system that includes this.

The invention provides a non-contact mental stress assessment method and system for a millimeter wave radar, and the method comprises the following steps: S1, collecting the whole night original echo signals of a user in a non-contact manner through a millimeter wave radar module which is installed in a mattress supporting layer in an embedded manner; s2, performing noise reduction filtering preprocessing on the original echo signal, and separating the mixed echo signal into a body motion signal segment and a resting signal segment through an adaptive threshold segmentation technology; s3, a breathing frequency domain feature set reflecting autonomic nerve functions is extracted from the resting signal segment, a body movement time sequence feature set reflecting sleep stability is extracted from the body movement signal segment, and a multi-dimensional all-night physiological feature vector is jointly formed; and S4, inputting the whole night physiological feature vector into a trained machine learning fusion model, and outputting a mental stress grade evaluation result of the user. The method has the advantages of non-contact and non-inductive monitoring, high accuracy of double-feature fusion, strong scene adaptability and low cost.

The application discloses a multi-modal physiological data fusion driven mental stress classification method, and belongs to the technical field of physiological signal processing and health monitoring. The method comprises the following steps: pre-processing electrodermal activity, body temperature, acceleration, heart rate and blood oxygen saturation signals; adopting an NSGA-II algorithm to adaptively optimize multi-modal fusion weights; realizing data-level fusion through weighted average; extracting statistical features and eliminating redundant features based on correlation analysis; and finally classifying by using a convolutional neural network with an enhanced multi-head attention mechanism. Through multi-scale fusion and adaptive weight optimization, the application improves classification accuracy and robustness, and is suitable for wearable devices, mental health monitoring and other fields.

We provide the system. [Solution] Means of collecting biometric data, A means for analyzing the aforementioned biometric data to evaluate the user's mental burden, A means of collecting communication data and analyzing emotional states using natural language processing technology, A means of issuing warnings and providing support based on the aforementioned mental burden and emotional analysis, A means of notifying store managers of the mental stress levels of employees, A system that includes this.

The invention discloses an establishment method and application of an animal model of a mental stress exacerbation metabolic disease, and belongs to the technical field of biomedicine. The method comprises the following steps: selecting SPF-level C57BL / 6J mice, randomly grouping the mice, adaptively feeding the mice for 7 days, and then periodically and cyclically modeling the mice for four cycles in total. Each cycle comprises two weeks of 60% high fat diet feeding and one week of common maintenance feed diet; 7-day chronic social failure stress modeling is carried out during a common feed diet maintaining period. According to the method disclosed by the invention, the mouse model capable of effectively simulating clinical mental stress exacerbation glycolipid metabolism disorder is constructed, and the blank of a model for inducing glycolipid metabolism disorder by combining mental stress and dietary factors is filled. The mouse model provided by the invention is helpful for promoting the pathogenesis of metabolic diseases and researching potential therapeutic targets.

The invention relates to the technical field of virtual reality and health monitoring, and particularly discloses a psychological stress monitoring method and system based on virtual reality. The system comprises a physiological signal acquisition module, a virtual reality environment generation module, a stress reaction quantification module, a self-adaptive pressure regulation and control module and a pressure state evaluation module, pressure source elements in a virtual reality scene are dynamically adjusted by acquiring multi-modal physiological signals of a user in real time, the stress level of the user is quantified, and the pressure state of the user is evaluated. And psychological stress grade evaluation is output based on the personalized stress response model, so that closed-loop psychological stress monitoring with high signal-to-noise ratio and high ecological efficiency is realized.

The system according to the embodiment aims to predict early signs of mental stress in students and notify them appropriately. [Solution] A system according to an embodiment includes a collection unit, an analysis unit, a prediction unit, and a notification unit. The collection unit collects data. The analysis unit analyzes the data collected by the collection unit. The prediction unit predicts signs of stress based on the data analyzed by the analysis unit. The notification unit notifies the user of the signs of stress predicted by the prediction unit.

1. The name of the design product: intelligent body and mind pressure relief cabin. 2. The use of the design product: equipment for people to massage, rest, relieve mental stress and physical load. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The application discloses a resting EEG psychological stress prediction method fusing bidirectional decoupling and potential feature mining, which is applied to a resting EEG psychological stress prediction system fusing bidirectional decoupling and potential feature mining. The prediction system is obtained by training according to historical electroencephalogram (EEG) data and corresponding psychological stress labels. The prediction method comprises the following steps: preprocessing collected original EEG data, and dividing the preprocessed continuous EEG data into a plurality of slices according to a sliding time window, wherein each slice comprises a task-state EEG signal and a resting-state EEG signal; adding random noise to the task-state EEG signal, so that the noisy task-state EEG signal is randomly distributed; introducing a guiding mechanism of the task-state electroencephalogram to the resting-state potential feature, so as to improve the feature separability in a weak feature scenario; meanwhile, effectively separating individual differences and depression-related features by using a bidirectional decoupling structure, extracting the time-space features of the EEG by using a wavelet-Riemann technology, and improving the psychological stress prediction efficiency and objectivity.

This patent application discloses a rare ginsenoside functional composition and its preparation method. The rare ginsenoside functional composition of this invention comprises active ingredients such as ginseng enzymatic hydrolysate and ginseng fermentation product, wherein the ginseng enzymatic hydrolysate is rich in rare ginsenoside CK, and the ginseng fermentation product is rich in ginsenosides Rk1, Rg5, Rk3, and Rh4. The rare ginsenoside functional composition of this invention has good effects in relieving mental stress and antidepressant effects.

The invention provides a plant beverage with an effect of improving sleep as well as a preparation method and application of the plant beverage, and belongs to the technical field of food processing. The health-care food is mainly prepared from the following raw materials in parts by weight: 2-15 parts of Chinese wolfberry fruits, 2-15 parts of raspberries, 2-15 parts of longan aril, 2-15 parts of radix polygonati officinalis and 2-15 parts of walnut kernels. The traditional Chinese medicine theory is combined with screening of medicinal and edible traditional Chinese medicinal materials, a unique heart-nourishing, qi-tonifying and qi-blood-regulating formula is established, and the traditional Chinese medicine composition has the function of improving sleep, does not have side effects after being taken for a long time, and is safe and effective. The plant beverage provided by the invention can remarkably prolong the pentobarbital sodium sleep time of mice, increase the subthreshold dose sleep number of the mice and shorten the sleep latency period of the pentobarbital sodium of the mice; and the content of inhibitory neurotransmitters is increased. The composition has important significance on physiological function regulation of sub-health people with poor sleep quality caused by body function reduction due to long-term mental stress and fatigue disorder.

The invention discloses a device for assisting in relieving mental stress of a patient in multiple scenes in the psychology department, and belongs to the field of mental stress relieving. A supporting rest is rotatably mounted on the bracket, the angle is adjusted through an adjusting assembly, a waist support is arranged on the supporting rest, and an arc-shaped base is fixedly mounted on the bracket; the guiding assembly is arranged on the supporting rest and comprises a mounting frame, a guiding disc capable of rotating is arranged on the mounting frame, and a spiral guiding wire groove is formed in the guiding disc; the resonance assembly is arranged in the mounting frame of the guide assembly and comprises a tuning fork arranged in the mounting frame and a second magnetic block for knocking the tuning fork; the relieving assembly is arranged on the mounting frame and comprises a communicating pipe mounted on the mounting frame, and the communicating pipe communicates with an air source; visual presentation is performed through the rotating spiral guide wire groove, auditory presentation is performed through knocking the tuning fork, and tactile presentation is performed through gas sprayed out of the communicating pipe, so that multi-sensory linkage design is realized, and a patient is guided to preliminarily relieve mental stress along with vision, auditory sense and tactile sense.

The application provides a driver manipulation mode modeling method under ice and snow road surface. In the case of comprehensively considering the road surface condition under extreme ice and snow weather and the operation characteristics of the driver, a driver model considering the mental stress factor of the driver under ice and snow environment is established, so that the driver model can fully reflect the different behavior abilities of the driver under ice and snow road surface, and aims to solve the problem that the existing driver model under ice and snow road surface is insufficient to depict different behavior abilities, so as to obtain a better control effect for subsequent man-machine sharing direct control. The application comprises the following steps: regarding the driver model to be researched as a whole, utilizing the visual perception and motion perception of the driver, establishing a complete driver manipulation model through a two-point visual anticipation module and a compensation module, and selecting and adjusting each module and specific parameters in the model according to the different behavior abilities and manipulation characteristics of different drivers.

The application discloses a locking device for a tibial base in knee replacement surgery, which comprises a tibial body and a tibial base, a locking screw one is arranged on the outer upper end of the tibial body, the tibial base is arranged on the inner upper end of the tibial body, and a bottom hole one is arranged on the inner middle end of the tibial base. The locking device for the tibial base in knee replacement surgery can make the tibial base be pulled down perpendicularly to the contact surface and not be loosened upward to generate a gap, reduce aseptic loosening, reduce the incidence of complications caused by aseptic loosening, greatly relieve the mental pressure and economic burden of patients, greatly save social public medical resources, make the tibial base keep fastening with the tibial body for a long time, facilitate the operation of an operator and ensure the accuracy of punching, prolong the fastening time between the tibial base and the tibial body, and reduce the frequency of later revision.

This method for assisting the diagnosis of mental stress comprises: a step for measuring the concentrations of a plurality of components contained in a biological sample collected from a subject; classifying the detected persons based on the personality features; and generating stress diagnosis assistance information for diagnosing the degree of mental stress of the subject on the basis of the determined concentrations of the components including betaine, creatine, GABA, creatinine, serotonin, kynurenic acid, 3-hydroxybutyric acid, and citric acid and the classification of the personality characteristics. According to the method, information serving as a support for accurately diagnosing the presence or absence or degree of mental stress of a subject can be provided.

The application discloses a cortisol combined skin conductance mental stress monitoring device and an experimental paradigm method. The device comprises a cortisol detection module, which is used for controlling the excitation voltage between a working electrode and a reference electrode; a skin conductance detection module, which is composed of a PWM driving circuit and realizes real-time monitoring of skin conductance by detecting a weak current signal flowing through the skin; a TIA module, which uses a dual power amplifier chip to realize detection of cortisol response current and skin conductance response current; a temperature correction module, which adopts a bridge-type voltage division circuit to detect the resistance value change of a thermistor caused by temperature change, reversely deduces the size of the temperature, and assists in correcting the detection result of the skin conductance; a heart rate detection module, which is completed by a blood oxygen heart rate chip MAX30102 chip and realizes real-time monitoring of a pulse wave by applying an optical detection principle to extract heart rate information; and a signal transmission module, which adopts a serial communication mode, connects a wireless Bluetooth module, and realizes wireless transmission of data.

The invention discloses an intelligent cell strain as well as a construction method and application thereof, belongs to the technical field of biology, and aims to solve the limitation of single-point static monitoring, strong equipment dependence or insufficient biological safety in the existing detection technology. The method comprises the following steps: constructing a response element PCMV-GRLBD-NES-TetR by using a truncated receptor GRLBD, inserting the response element PCMV-GRLBD-NES-TetR and a report element SB-PTCE-SEAP into a genome of a host fine HEK-293T cell, and selecting a monoclonal cell responding to glucocorticoid; wherein the report protein in the report element can also use other target proteins besides alkaline phosphatase (SEAP), including but not limited to tyrosinase (Tyrosinase) and red fluorescent protein (tdTomato). The cell strain can be used for developing high-throughput screening of targeted mental stress drug molecules, and material reserve is provided for development of anti-depression and anti-anxiety drugs.

This invention discloses a liver-protective composition containing burdock root aqueous extract, its preparation method, and its application. The composition comprises six traditional Chinese medicinal herbs: burdock root aqueous extract, jujube seed extract, lily extract, wolfberry extract, white chrysanthemum extract, and poria cocos extract; seven nutrients: vitamin D3, vitamin E, inositol, choline, pyrrolizidine quinoline quinone, magnesium glycine, and zinc citrate; and three flavoring agents: semaside, mogroside, and adenosine monophosphate (AMP). AMP has both umami enhancement and AMPK activation effects. The composition is prepared into powder or tablets using low-temperature freeze-drying or low-temperature spray drying. The composition of this invention has a significant protective effect against chemically induced liver damage and sleep deprivation-induced liver damage, and is suitable for liver protection and health maintenance in people who stay up late, overuse their eyes, experience high mental stress, and are middle-aged and elderly.

The invention provides a composition. The composition comprises wolfberry and capparis spinosa raw materials in a weight ratio of (9: 1)-(1: 9) or an extract prepared from the wolfberry and capparis spinosa raw materials in a weight ratio of (9: 1)-(1: 9). The invention also provides a method for preparing the extract. The invention further provides application of the composition in preparation of cosmetics or medicines, and the cosmetics or medicines have an anti-aging effect, especially senescence induced by mental stress. The invention also relates to a cosmetic or medicament comprising said composition.

A method for defining a stress level, the method including obtaining a first set of information related to mental stress from a user via a first questionary; obtaining a second set of information related to physical stress from the user via a second questionary; measuring a hormonal level at a first moment of time; using the first and second sets of information and the measured hormonal level to derive a stress reaction over a pre-defined period of time; validating the stress reaction using longitudinal stress reaction; and defining the stress level by modelling stress level from at least one of: the stress reaction from at least one of: the first and second questionaries; the validated stress reaction.