25 results about "Neurocognitive" patented technology

The invention discloses an upper limb rehabilitation control method and system based on a multimode coordination adaptive brain-computer interface, and belongs to the technical field of neural rehabilitation engineering and brain-computer interfaces. The system comprises a brain signal acquisition module, a self-adaptive residual filtering module, a feature extraction module, a predictive control module, an upper limb rehabilitation actuator and a self-adaptive updating module. The core is that a self-adaptive updating module constructs a composite error cost function by fusing kinematics errors of a physical layer and error correlation potentials of a neurocognitive layer, and on the basis of the composite error cost function, a front-end filtering weight and a network weight of a rear-end control model are synchronously adjusted, so that full-link parameter collaborative optimization from signal preprocessing to motion control is realized. According to the method, the framework limitation of single error feedback and independent parameter optimization of a traditional system is broken through, a closed-loop brain-computer interface system which can sense internal and external states and has system-level self-optimization capability is constructed, and the decoding robustness, the control precision and the practicability under long-term use are effectively improved.

The invention relates to the technical field of automatic driving, and discloses an end-to-end automatic driving system based on electroencephalogram intention modeling and machine mental reasoning, and the system comprises an electroencephalogram signal collection module which is used for collecting an electroencephalogram signal of a driver in real time and carrying out the preprocessing of the electroencephalogram signal; the electroencephalogram intention decoding module is used for extracting driving intention features and outputting structured intention vectors; the machine mental reasoning module is used for fusing the intention vector, the vehicle state and the environment perception information, deducing the mental state of the driver and outputting a mental state vector; and the end-to-end automatic driving control module is used for performing multi-modal fusion on the intention vector, the mental state vector, the environment perception characteristics and the vehicle dynamic state to generate a continuous vehicle control instruction. According to the method, the neurocognitive activity of the driver can be converted into decision-making elements which can be understood and utilized by a machine in real time, so that man-machine cognitive alignment and closed-loop cooperative control are realized.

The invention relates to the technical field of light atmosphere, and discloses a light atmosphere effect generation method, which comprises the following steps: generating an initial wave function according to an intensity field, deducing on the basis of a potential energy field to obtain a first wave function, performing intensity calculation and phase extraction from the first wave function to obtain a second wave function, updating the direction field based on the second wave function to obtain an updated direction field and an enhanced optical flow field; three core advantages of light atmosphere generation are realized, firstly, deep coupling of quantum optics and neurocognition is realized, real response of human eyes is simulated through a phase-sensitive light response model, and light atmosphere distribution is enabled to conform to quantum propagation rules and human visual cognition characteristics in combination with a cognition attention focusing mechanism of a DQN model; and 2, a dynamic self-adaptive mechanism runs through the whole process, and a light current coefficient and object motion data are adjusted in real time through the pupil diameter to feed back a new light flow field so as to ensure that the environment change can be quickly responded.

The present invention relates to a multifunctional portable device and system for physical and neurocognitive training. The device comprises a casing consisting of a casing body and a casing lid. The casing houses therein a visual interface, a controller with wireless connection, a battery, a vibrating motor, one or more sensors configured to measure at least one parameter selected from distance, acceleration, angular velocity in different axes, heart rate, blood oxygen level, force and weight. The multifunctional portable device comprises assembly elements located on the casing that are configured to allow a user to perform physical training and allow one or more users to perform neurocognitive training.

The invention relates to a measuring system for repeatedly measuring reaction time curves in complex neurocognitive tasks. The measuring system comprises a measuring body, at least one force source, at least one holding device, at least one triggering unit, at least one first sensor unit for acceleration measurement, at least one second sensor unit, at least one interface for data transmission and at least one data processing unit. The invention likewise relates to a method for quantifying reaction times, in which a measuring system is used. Thereby, human influences in the implementation of the test are avoided as far as possible. By shifting the data processing, the measuring system can construct a growing and anonymous data base independently, which improves the accuracy through its continuously growing data volume. Thereby, conclusions about potentially risky changes in the reaction time can also be achieved up to the indication and / or recognition of neurodegenerative diseases.

The present device aims to create ideal conditions for performing human profiling, assessment and testing processes, in a controlled, simple, accurate, inclusive and distraction-free manner. In order to achieve this aim, the device offers a minimalist, dedicated interface, having a simplified physical keypad that can have various formats depending on the application. During the performance of the test, built-in or peripheral cameras and sensors can collect additional information relating to the attentional, cognitive, physiological and emotional state of the user. This data is processed by the device in order to generate information that can be combined with the other results to produce an even more in-depth assessment of the subject being tested. The entire assessment process can take place in online mode, allowing immediate synchronization with a server, or in offline mode, allowing subsequent synchronization with a server or the downloading of the data directly to a computer. In both cases, an administrative dashboard accessible via the device or via the web can be used to download or create new tests, update the existing tests, register users, view the results and manage the entire assessment process. Finally, the possibility of presenting the test stimuli by means of virtual reality goggles further increases the potential uses and versatility of the equipment.

The present application relates to a kind of fusion cognitive transfer teaching evaluation sentiment analysis method, belong to the field of educational informationization.The method includes: the data collected is cleaned and preprocessed;Unstructured teaching evaluation text is carried out word embedding using BERT language model, it is input in bidirectional GRU network and learns, the context hidden memory information of output text;Student historical practice record is modeled using neural cognitive diagnosis model, and the personalized cognitive ability vector of student is obtained as prior knowledge representation;The text hidden memory information extracted is fused into cognitive transfer matrix with prior knowledge information, and prior knowledge is transferred into text memory by attention mechanism, and the real emotional characteristics contained in text are enhanced.The present application can accurately classify the sentiment of teaching evaluation text carrying conflictive emotional characteristics, solve the problem that sentiment is misclassified due to the existence of conflictive emotional characteristics in teaching evaluation.

This invention discloses an AI-based product ergonomic design method, belonging to the field of product ergonomics technology. The method includes: collecting and preprocessing real-time multimodal data streams from users; using a multi-source data fusion network with an attention mechanism to perform weighted fusion and feature extraction on the preprocessed multimodal data streams to generate an assessment result of the user's current ergonomic state; when the assessment result indicates a risk, calling the user's personalized skeletal muscle digital twin model and combining it with the multimodal data stream to calculate the real-time stress distribution of the user's internal tissues, and analyzing the EEG signals in the multimodal data stream to determine the level of neural adaptability, generating intelligent collaborative intervention decision instructions. This invention, through the deep integration of biomechanical simulation and neurocognitive assessment, achieves a leap from macroscopic posture control to microscopic stress optimization, and from unidirectional intervention to adaptive learning, improving the accuracy, humanization, and continuous evolution capabilities of ergonomic design.

The application discloses application of diacylglycerol in preparation of medicines for improving nutritional composition of breast milk and promoting neural development of offspring, and belongs to the technical field of medicines. The complete technical chain of "maternal intake of DAG, remolding of breast milk lipids (enrichment of long-chain polyunsaturated ether lipids), activation of 2-AG signal pathways of offspring, and promotion of neural cognitive development" is provided, which provides a scientific basis for development of new maternal nutrition products, and has extremely high clinical application value and industrialization prospect.

This invention relates to the field of cognitive data processing technology, and more particularly to a method and system for physical stimulation-driven lymphatic circulation and cognitive enhancement. The system includes a physical stimulation frequency impact assessment module, a stimulation mechanical vibration analysis module, a lymphatic circulation vibration calibration module, and a stimulation frequency drive adjustment module. It utilizes pressure and temperature sensors to monitor the corresponding physical stimulation pressure and the surface temperature of the stimulated skin in real time, performing stimulation frequency impact assessment and stimulation mechanical vibration analysis to generate a physical stimulation mechanical vibration effect. It also acquires lymphatic fluid flow velocity and EEG neural activity signals, performing neurocognitive level analysis and vibration response calibration. Simultaneously, it performs lymphatic circulation cognitive regression analysis and stimulation frequency drive adjustment to generate a physical stimulation frequency drive adjustment scheme corresponding to lymphatic circulation cognitive enhancement. This invention can accurately analyze the correlation between physical stimulation and lymphatic circulation and cognitive enhancement.

Methods of treating Alzheimer's disease and other neurodegenerative and / or neurocognitive and / or neurodevelopmental diseases are described. The methods comprise the administration of compounds that modulate an activity of cell division control protein 42 (Cdc42), such as the interaction between Cdc42 and intersectin (ITSN). Exemplary modulator compounds include thioureas, disulfonamides of fused aromatic systems (e.g., benzofuran), and acyl hydrazones, among others. Some of the modulator compounds act as activators of Cdc42, while others act as inhibitors. In some cases, the modulator compound has dual functionality and the ability of the modulator compound to act as an inhibitor or activator depends on whether or not Cdc42 is already activated in a particular disease stage or biological environment by an upstream activating signal of Cdc42.

The invention discloses a cognitive ability prediction method and system, electronic equipment and a readable storage medium. The method comprises the following steps: extracting frequency domain features of electroencephalogram signals; extracting functional connection characteristics of the electroencephalogram signals; constructing a neurocognitive double-effect hypothesis equation based on the frequency domain features and the functional connection features; calculating a cognitive ability value according to a neurocognitive double-effect hypothesis equation; and performing cognitive ability prediction based on the cognitive ability value to obtain a cognitive ability prediction result. According to the method, the overall neural calculation efficiency can be quantified by integrating neural energy consumption, network connection lines and task difficulty, and the accuracy of cognitive ability prediction can be improved.

System and method in field of human resource management, leadership development, executive succession planning, organizational culture modeling, recruitment, talent management, and individual capability profiling. System integrates memory certification protocols with neurocognitive and emotional profiling, creating a multi-dimensional platform for individual and organizational development through verified autobiographical, observational, and interpersonal memory artifacts. Provides a legally defensible foundation for employment, promotion, and succession decisions, additionally enabling potential use in broader legal contexts such as law enforcement, insurance underwriting, and compliance audits.

The invention relates to a portable, autonomous device for evaluating sensory and cognitive problems, characterised in that it comprises: - a processor configured to acquire and analyse real-time data; - an ECG module for capturing the user's heart rate variability (HRV) in response to sensory and cognitive stimuli; - an inertial measurement unit (IMU) comprising an accelerometer and a gyroscope, configured to detect and record the movements and posture of the user; - a capacitive touch screen for interaction with the user for carrying out standardised cognitive tests; - an integrated memory for storing the captured data and the programs; - a wireless connectivity module for transmitting the data to an external device; and in that the device is configured to perform, in real time, at least one evaluation of the impact of the disruptive sensory stimuli, including motion sickness and virtual-reality sickness, in uncontrolled environments.

The application discloses a dual-system game visual language navigation method and device based on neural cognitive inspiration, which comprises the following steps: acquiring visual feature information and language feature information, extracting visual feature embedding and text feature embedding, and then performing modal alignment and feature fusion to obtain a current state; inputting a state, an action and a global hidden state of a previous moment into a world model based on a gated recurrent unit to generate a current global hidden state; based on the current state and the current global hidden state, based on a multi-brain region collaborative mechanism, generating initial activation tendencies of a goal-oriented system and a habit system by using a prefrontal cortex and a sensory motor cortex, calculating dynamic interest functions of the goal-oriented system and the habit system by using a precingulate gyrus, a thalamus and a premotor cortex, arbitrating and selecting an execution system according to the initial activation tendencies and the dynamic interest functions of the goal-oriented system and the habit system, generating a current execution action by using the execution system, and feeding back and adjusting.

Provided are a test method and apparatus for evaluating cognitive function decline. The test method for evaluating cognitive function decline includes performing a testing stage of testing how many missions presented for each of a plurality of test items a user performs, and calculating a test score for each of the plurality of test items, performing a category classifying stage of classifying at least one test item from among the plurality of test items as one neurocognitive category from among a plurality of neurocognitive categories, and performing an evaluating stage of evaluating whether there is cognitive function decline in the one neurocognitive category, based on a test score of the at least one test item classified as the one neurocognitive category.

The invention provides methods and related compositions for preventing neurocognitive decline associated with chronic stress, age, and neurodegenerative diseases. The methods described here are based upon the use of alpha5-GABAA receptor agonists to slow or prevent deleterious morphological changes in dendrites of the hippocampus and prefrontal cortex, which eventually manifest in functional decline and the neurocognitive deficits.

A method and system utilize unexpected combinations of cognitive exercises to provide routines performed simultaneously with aerobic exercise to address cognitive impairments. Cognitive exercises comprise specific steps in order to interact with a specific cognitive domain. All stimuli may be aural. Specific combinations of cognitive exercises are created to engage selected brain circuits and are correlated to specific cognitive impairments. The method may remediate selected cognitive impairments and strengthen cognitive abilities. The user responds to instructions for each exercise and performs each exercise in a specific order for a specific duration of time and through a specific number of sets. A processor performs a program comprising the routines and evaluates performance of a user. A program may be customized for an individual user. An individual user's data is processed to evaluate progress. Large libraries of data for multiple users may be processed to provide statistical databases.

A method for awake neurosurgical planning and testing includes presenting, to a subject undergoing an awake neurosurgical procedure, during the awake neurosurgical procedure, and using a head mountable device, tests for evaluating neurocognitive or motor functions controlled by a region of the subject's brain being evaluated for tumor resection. The method further includes receiving, by a test controller module, responses of the subject to the tests. The method further includes automatically selecting or generating, by the test controller module, and based on the responses, further tests to present to the subject during the awake neurosurgical procedure. The method further includes presenting, via the head mountable device and to the subject, the tests selected or generated based on the subject's responses.

The invention discloses a student knowledge assessment method and system based on chain reasoning and cognitive enhancement generation, and the method comprises the following steps: obtaining an original question set and an answer record text set of a student, and processing the original question set and the answer record text set to obtain a standard question set and a standard answer set; explicit knowledge point extraction is carried out on the standard question set, implicit knowledge point extraction is carried out on the original question set based on chain reasoning prompt, and then a knowledge point set is formed; performing generative adversarial network modeling on the non-mastered knowledge points based on the standard answer set to generate an enhanced sample set; extracting historical error frequency distribution of similar knowledge points as an auxiliary feature, and further verifying whether a generated error sample is compliant or not; inputting the mastered knowledge point features and the compliant enhanced sample set into a neurocognitive diagnosis model to obtain a mastering probability; and judging the mastering probability, and generating a knowledge state evaluation result. And in combination with a NeuralCD model, inputting student and practice codes and cognitive parameters, and outputting a knowledge mastering state of the student.

The application discloses a dual-system game visual language navigation method and device based on neural cognitive inspiration, which comprises the following steps: acquiring visual feature information and language feature information, extracting visual feature embedding and text feature embedding, and then performing modal alignment and feature fusion to obtain a current state; inputting a state, an action and a global hidden state of a previous moment into a world model based on a gated recurrent unit to generate a current global hidden state; based on the current state and the current global hidden state, based on a multi-brain region collaborative mechanism, generating initial activation tendencies of a goal-oriented system and a habit system by using a prefrontal cortex and a sensory motor cortex, calculating dynamic interest functions of the goal-oriented system and the habit system by using a precingulate gyrus, a thalamus and a premotor cortex, arbitrating and selecting an execution system according to the initial activation tendencies and the dynamic interest functions of the goal-oriented system and the habit system, generating a current execution action by using the execution system, and feeding back and adjusting.

Wearable Neurocognitive Monitoring Device

The application discloses a molecular marker combination for early diagnosis of HIV-associated neurocognitive impairment (HAND), which comprises core markers and auxiliary markers; the core markers comprise TNFRSF9, MDGA1 and NBL1, and the auxiliary markers comprise one or more of CRTAM, BMP-4, EDA2R, CCL25, SLAMF1 and CD6. The molecular marker combination has the following advantages: (1) based on differential expression data, an explicit relative ratio is derived to solve the core protection requirement of the material composition; (2) high specificity and accuracy, and an accurate ratio relationship can accurately distinguish pathological stages; (3) the marker combination is significantly related to neurocognitive function, and can accurately reflect the early molecular mechanism of HAND; (4) convenient detection, no need for invasive operation, and good tolerance of subjects. Through the molecular marker combination, ANI, PWND and HC can be accurately distinguished, the defects that the existing scale diagnosis is highly subjective, time-consuming and cannot identify subclinical impairment are solved, and key technical support is provided for early intervention of HAND.

The invention relates to the technical field of cognitive function evaluation, in particular to a perioperative neurocognitive function evaluation device which comprises a base, an adsorption part is arranged at the bottom of the base, a clock dial body is fixedly connected to the top of the base and is of a disc-shaped structure, and an original point groove and 12 track grooves are formed in the circle center of the clock dial body. A digital display screen is arranged on the side, away from the original point groove, of each rail groove. The clock dial body is further provided with a circular ring groove, the original point groove is internally provided with shifting pieces capable of sliding in the rail grooves and the circular ring groove, the circular ring groove and all the rail grooves are internally provided with offset collecting assemblies, and the clock dial body is provided with an electroencephalogram collecting assembly. According to the perioperative neurocognitive function evaluation device, the perioperative neurocognitive function evaluation device for multi-dimensional quantitative evaluation is formed by combining the clock-shaped space framework construction integrating the original point groove and the track groove in the clock dial body with the design of the stirring piece sliding along the groove and the synchronous data acquisition of the real-time offset acquisition assembly and the electroencephalogram acquisition assembly; and man-made subjective deviation in traditional evaluation is reduced.