56 results about "Alertness" patented technology

The invention discloses a safety supervision method and system for Internet rehabilitation nursing, and relates to the technical field of Internet medical treatment, and the method comprises the steps: building a dynamic space-time causal graph model based on collected data, defining a propagation path between nodes according to a biomechanical causal chain, and limiting a feature propagation time sequence through a causal time sequence verification layer; dynamically generating a gradient mask matrix based on the physiological rhythm represented by the heart rate variability data, and adjusting the gradient weight of the reinforcement learning strategy network by using the gradient mask matrix; in combination with electroencephalogram alertness wave signals and equipment torque parameters, performing cross-modal anomaly collaborative judgment through the adjusted reinforcement learning strategy network by utilizing a manifold envelope dynamic contraction mechanism; if it is judged that the cross-modal abnormity occurs, a dynamic safety threshold value is generated based on the electromyographic signals and patient individualized parameters, and switching of control modes of the rehabilitation equipment is driven according to the dynamic safety threshold value.

The present disclosure relates to methods and system for acquiring and analyzing biosignals or physiological signals of a person sitting in a vehicle and predicting (in real-time) time-varying attention, engagement level or alertness level using the biosignals. The biosignals may be acquired using one or more clusters of electrodes together with a wearable user device or from a sensing device that is embedded in the seat of the vehicle. In some embodiments, the biosignals may be utilized to predict restedness level of the subject, to monitor or predict physiological state of the subject, to detect a distress situation and to adapt a vehicle control accordingly. In some other embodiments, the biosignals can be transformed into communication, for example, speech signals or instructions for the vehicle. One or more actions may be triggered based on the analysis of the biosignals including engaging the person, generating alerts, or adapting the vehicle control.

Methods, systems, and devices for providing physiological state-related insights associated with a user are described. A method includes receiving physiological data associated with the user from at least one wearable device, the physiological baseline providing reference user alertness data. The method further includes obtaining a physiological baseline associated with the user based at least in part on the baseline physiological data associated with the user, the physiological baseline providing reference user alertness data. The method further includes receiving additional physiological data associated with the user from the at least one wearable device. The method further includes obtaining current user alertness data based at least in part on the additional physiological data associated with the user. The method further includes identifying a trigger condition for providing a physiological state-related insight associated with the user relating to a traveling event involving at least one vehicle based at least in part on a comparison between the current user alertness data and the reference user alertness data. The method further includes causing a user device to provide the physiological state-related insight associated with the user.

A device relating to a floater for use by a non-swimmer for buoyancy comprising a floating flatbed with coded descriptions (lateral ends: front end 14, back end 12) and a plurality of paired straps with buckles (20,22) to secure the floater flatbed (10) fixed in the swimmer’s body. This is designed to keep the non-swimmer afloat while concentrating on their hand and leg exercises. The floating flatbed is wrapped either at the upper limbs posterior or anterior portion of the body; a webbing belt with safety mechanisms buckled around the body which can be fixed at the levels; waist, abdominal, and upper back (posterior) or chest part (anterior). An adjustable strap is buckled across shoulders (24, 26) to fasten the device in place below the jaw with a plane surface of a floater which allows use purposely for either supine or prone floating mechanics fundamental in learning the basic skills for any appropriate floating position. Apparently, problems like drowning and other water accidents happen in just any part of the globe usually caused by panic and water anxiety. The device contains characteristics easy for use by non-swimmers at any age level for water safety and training device for non-swimmers particularly those who manifest water anxiety. Acquired skill in floating somehow creates mental alertness as a greater opportunity for survival during atrocities.

The present disclosure relates to non-therapeutic uses of compounds or combinations thereof to increase cognitive performance, alertness and / or energy levels of a human or animal, as well as an oral product comprising said compounds or combinations thereof.

In an illustrative embodiment, systems and methods for treating stress and / or for improving alertness in a subject using neurostimulation therapy include placing first electrode(s) on, over, or adjacent to an auricular branch of the vagus nerve, placing second electrode(s) on, over or adjacent to an auriculotemporal nerve, and delivering therapeutic stimulation pulses via the first electrode(s) and the second electrode(s) by delivering a first series of stimulation pulses to the first electrode(s), the first series configured to increase activity in neural medullary structure(s), and delivering a second series of stimulation pulses to the second electrode(s), the second series configured to increase activity in neural structures within the Trigeminocervical Complex.

An alertness detection device according to the present invention includes an alertness acquisition unit (131) that acquires alertness of a driver calculated from a facial image including a face of the driver of a vehicle, a viewing direction acquisition unit (132) that acquires a viewing direction including a line-of-sight direction or a facial direction of the driver calculated from the facial image, a vicinity information acquisition unit (133) that acquires vicinity information indicating a situation in a vicinity from a vicinity detection device that detects the situation in the vicinity of the vehicle, an attention level estimation unit (134) that estimates an attention level of the driver in the situation in the vicinity on the basis of the viewing direction that is acquired and the vicinity information that is acquired, and a correction unit (135) that calculates a corrected alertness by correcting the alertness that is acquired using the attention level that is estimated, and outputs the corrected alertness that is calculated.

This invention discloses a method for assessing sleep quality based on multimodal features in a waking state, comprising: S1, guiding subjects to complete a sleep quality scale, collecting pulse wave signals, facial thermal images, and corresponding temperature matrices of subjects in a resting state, and conducting a psychological alertness task test; S2, extracting heart rate, heart rate variability, and pulse wave morphology features from the pulse wave signals; S3, identifying key points on the face, determining regions of interest, and extracting facial temperature features; S4, analyzing the acquired psychological alertness task test data, statistically analyzing and extracting reaction time and attention maintenance-related indicators; S5, constructing a training dataset; S6, using the training dataset to train a classifier and construct a sleep quality classification model; S7, inputting the multimodal features collected from new users in a waking state into the sleep quality classification model and outputting the assessment results. This invention provides a method for assessing sleep quality in a daytime waking state.

The invention provides an information provision system, an information provision method, and a computer program product, which can suppress the occurrence of excessive alert and insufficient alert when a user riding on a moving body is alerted through an HMI using an intelligent agent. An information provision system (1) is provided with: a user state recognition unit (11) that recognizes the state of a user (U) riding on a moving body (100); a user emotion estimation unit (12) that estimates the emotion level of the user (U) from a prescribed index value on the basis of the recognition result of the state of the user (U); and a smart agent control unit (13) that provides the user (U) with an HMI that uses a personified smart agent and performs voice output in a pattern corresponding to an emotion level based on a prescribed index value of the smart agent. When the emotion level of the user (U) estimated by the user emotion estimation unit (12) is within a predetermined determination range, the smart agent control unit (13) controls the emotion level of the smart agent to a target level for changing the emotion level of the user (U) outside the determination range.

The application relates to a method and system for determining the front distance of a work zone warning sign, the method comprising: obtaining eye movement and electroencephalogram test data, processing the eye movement and electroencephalogram test data; establishing a matter element comprehensive evaluation model, inputting the processed eye movement and electroencephalogram test data into the matter element comprehensive evaluation model, and obtaining an evaluation grade and a corresponding characteristic value; and determining the front distance of the work zone warning sign according to the evaluation grade and the corresponding characteristic value. The method determines the effective front distance range of the work zone warning sign from the perspective of the change of the driver's alertness, constructs a comprehensive evaluation model based on matter element analysis to determine the time for maintaining the driver's alertness, and thus obtains the reasonable front distance of the work zone warning sign, which is helpful for the reasonable setting of the work zone warning sign.

The present invention relates to a composition for inhalation, and more particularly, to a composition for inhalation, the composition for inhalation for enhancing alertness and vigor according to an embodiment comprising: caffeine; and a reinforcing agent comprising one or more elements selected from the group consisting of glucose and magnesium.

In an illustrative embodiment, systems and methods for treating stress and / or for improving alertness in a subject using neurostimulation therapy include placing first electrode(s) on, over, or adjacent to an auricular branch of the vagus nerve, placing second electrode(s) on, over or adjacent to an auriculotemporal nerve, and delivering therapeutic stimulation pulses via the first electrode(s) and the second electrode(s) by delivering a first series of stimulation pulses to the first electrode(s), the first series configured to increase activity in neural medullary structure(s), and delivering a second series of stimulation pulses to the second electrode(s), the second series configured to increase activity in neural structures within the Trigeminocervical Complex.

Nutraceutical compositions and the methods for promoting wakefulness and alertness by the administration thereof. The nutraceutical compositions address the challenged state of the individual to remain awake and alert during waking hours. The methods provide the nutraceutical composition directly to the cells in the brain and body where energy is produced and utilized. A nutraceutical composition includes a therapeutically effective amount of Vitamin B1, Vitamin B2, Vitamin B3, Vitamin B5, Vitamin B6, Vitamin B12, citicoline sodium, calcium pyruvate, and L-tyrosine, wherein said therapeutically effective amount promotes wakefulness by providing molecular support for glycolysis, Krebs cycle reactions, and electron transport chain (ETC) activity. The composition can further include Vitamin C and caffeine.

The present disclosure relates to methods and system for acquiring and analyzing biosignals or physiological signals of a person sitting in a vehicle and predicting (in real-time) time-varying attention, engagement level or alertness level using the biosignals. The biosignals may be acquired using one or more clusters of electrodes together with a wearable user device or from a sensing device that is embedded in the seat of the vehicle. In some embodiments, the biosignals may be utilized to predict restedness level of the subject, to monitor or predict physiological state of the subject, to detect a distress situation and to adapt a vehicle control accordingly. In some other embodiments, the biosignals can be transformed into communication, for example, speech signals or instructions for the vehicle. One or more actions may be triggered based on the analysis of the biosignals including engaging the person, generating alerts, or adapting the vehicle control.

This disclosure provides compositions and methods for improving human cognitive function, mood, and / or arousal. In one embodiment, the method comprises administering an edible composition to a person in need of improvement in condition, the composition comprising a combination of gamma-aminobutyric acid and caffeine. The edible composition has a weight ratio of total gamma-aminobutyric acid to total caffeine of about 1:50 to about 10:1.

An electronic device 10 includes an image-capturing unit 11, a line-of-sight detector 12, and a controller 14. The image-capturing unit 11 generates an image corresponding to the view by performing image capturing. The line-of-sight detector detects a line of sight of a subject with respect to the view. The controller 14 functions as a first estimator 15. The first estimator 15 is capable of estimating a first heat map based on the image. The controller 14 calculates the alertness level of the subject based on the first heat map and the line of sight of the subject. The first estimator 15 is constructing using learning data obtained by machine learning the relationship between a learning image and a line of sight of a training subject when an alertness level of the training subject is in a first range.

The invention discloses a body and mind state assessment method and system based on multi-mode biological signal fusion processing. According to the method, human face and body features are collected through videos, and features such as micro-expressions, eye movements (pupils and gazes), breathing modes, postures and physiological micro-movements are extracted; generating a multi-dimensional state vector by adopting timestamp registration and a cross-modal attention and gating fusion network in combination with an individual baseline and adaptive calibration, and outputting indexes including emotion, pressure, alertness and the like and a confidence interval; and triggering a prompt or intervention suggestion when the preset threshold value is exceeded. The system supports edge end quantitative operation, and data security is guaranteed through federated learning and privacy protection technologies. The method has remarkable effects in the aspects of anti-noise robustness, individualized adaptation and credibility, and is suitable for robots and man-machine interaction scenes.

The present disclosure relates to methods and system for acquiring and analyzing biosignals or physiological signals of a person sitting in a vehicle and predicting (in real-time) time-varying attention, engagement level or alertness level using the biosignals. The biosignals may be acquired using one or more clusters of electrodes together with a wearable user device or from a sensing device that is embedded in the seat of the vehicle. In some embodiments, the biosignals may be utilized to predict restedness level of the subject, to monitor or predict physiological state of the subject, to detect a distress situation and to adapt a vehicle control accordingly. In some other embodiments, the biosignals can be transformed into communication, for example, speech signals or instructions for the vehicle. One or more actions may be triggered based on the analysis of the biosignals including engaging the person, generating alerts, or adapting the vehicle control.

Methods, systems, and devices are described for providing physiological state related insights associated with a user. One method includes receiving physiological data associated with a user from at least one wearable device, the physiological baseline providing reference user alertness data. The method also includes obtaining a physiological baseline associated with the user based at least in part on the baseline physiological data associated with the user, the physiological baseline providing reference user alertness data. The method also includes receiving additional physiological data associated with the user from the at least one wearable device. The method also includes obtaining current user alertness data based at least in part on the additional physiological data associated with the user. The method also includes identifying a trigger condition for providing a physiological state related insight associated with the user based at least in part on a comparison between the current user alertness data and the reference user alertness data, the physiological state related insight related to a travel event involving at least one vehicle. The method also includes causing a user device to provide the physiological state related insight associated with the user.

Contemplated compositions and methods employ betalains for treatment of various conditions, and especially osteoarthritis, sinusitis, contact dermatitis, acne, an allergic condition, reduced mental alertness, reduced physical strength, reduced physical endurance, and / or impaired mood.

The invention discloses a psychological intervention method of a wearable relaxation device, the wearable relaxation device comprises a wearable waistcoat and a headgear, the front and back of the wearable waistcoat are both provided with a heating sheet and an air bag, and the headgear is internally provided with an ultrasonic generator; a user wears the head sleeve on the head of the waistcoat; an ultrasonic generator emits audio stimulation of specific brain wave guiding components, brain activities of a treated individual are guided to a deep relaxation or semi-sleep state mainly including alpha waves (8-12 Hz) and theta waves (4-8 Hz), and dominant defense and high-alertness reactions are reduced; by means of linguistic or audio meditation guidance, establishment of a safety scene is assisted, excessive activation of sympathetic nerves is reduced, and vagus nerve dominance is improved; the obvious improvement in the aspects of sleep, emotion, self value feeling and the like can be observed in 7-14 days; the original energy feeling is reprogrammed through a multi-layer path, the deep subconsciousness is changed, and the recurrence probability is low.

Salts of hexylamine, for example, hexylamine succinate and tri-hexylamine citrate and their method of production are described. The disclosure also relates to compositions comprising hexyalmine, for example, for reducing appetite in a human subject, treating obesity in a human subject, preventing obesity in a human subject, preventing weight gain in a human subject, increasing fat loss in a human subject, treating an overweight human subject, increasing athletic performance in a human subject, increasing endurance in a human subject, increasing muscle strength in a human subject, improving cognitive function in a human subject, treating ADHD in a human subject, increasing sweating in a human subject, reducing reaction time of a human subject, increasing psychomotor vigilance of a human subject, enhancing memory in a human subject, increasing central nervous system activity in a human subject, and enhancing alertness, attention, concentration, and / or memory in a human subject.

The invention relates to a pilot non-intrusive physiological index alertness monitoring and evaluating method and system, belongs to the field of aviation medical training, and solves the problems that an existing method depends on simulator data and a subjective scale, data authenticity is insufficient, objectivity is poor, and indexes are single. And multi-dimensional dynamic monitoring of the vigilance of the pilot in a real flight environment cannot be realized. Comprising the following steps: collecting physiological data in a flight process of a pilot in real time and preprocessing the physiological data to obtain preprocessed physiological data; wherein the physiological data comprises electrocardiosignals and respiratory signals; extracting time domain features and frequency domain features of the preprocessed physiological data, calculating a mean value, a standard deviation, a maximum value and a minimum value of each feature of the same time window, and performing splicing to obtain a fusion feature vector; inputting the fusion feature vector into a trained pilot non-intrusive physiological index alertness prediction model to obtain a pilot alertness level; graded intervention is carried out based on the alertness level, and flight safety is ensured.

The present invention relates to the compositions comprising at least one cooling agent and at least one tingling agent for use in enhancing coldness perception in an individual. The present invention further relates to compositions and methods for improving mental alertness, cognitive performance, focus and / or sustained attention in an individual.

An ultrasound device for modulating brain activity may include a body and components for activating the brain. Such components include ultrasound transducers. The devices are used to provide ultrasound waves to brain structures in a subject wearing a device for methods to treat traumatic brain injury, affect postural control, affect wakefulness, attention, and alertness, to provide memory control, to alter cerebrovascular hemodynamics, to minimize stress, and to reinforce behavioral actions.

In an inhalable composition for enhancing alertness and vitality according to an embodiment, the composition includes caffeine and an enhancing agent including one or more selected from glucose and magnesium.

This application relates to a method and apparatus for acquiring alertness levels in the field of artificial intelligence, used to predict a user's alertness level by combining user behavior information collected by the device. The method includes: acquiring first information, the first information including information about user behavior, the first information including information collected by a first device, the first device including a wearable device of the user, and the first information including information about the user's ingested substances; and predicting changes in the user's alertness based on the first information, the changes in alertness including the user's alertness value within a first preset time period.

The present disclosure provides compositions and methods for improving cognitive function, mood and / or alertness in a person. In one embodiment, a method comprises administering an edible composition to a person in need of an improved condition, where the composition comprises a combination of gamma-aminobutyric acid and caffeine. The weight ratio of total gamma-aminobutyric acid to total caffeine of the edible composition is from about 1: 50 to about 10: 1.

For each of a plurality of time intervals: a power spectrum is generated using a corresponding portion of EEG data; a normalized power spectrum is generated; and a preferred frequency (a frequency with a largest z-score or a highest normalized power in the normalized power spectrum corresponding to the time interval) or dominant frequency for the time interval is determined. A set of time windows is defined, each including multiple time intervals of the plurality of time intervals. For each of a set of time windows, a number of the time intervals is determined for which the preferred or dominant frequency is within a Beta band (12-30 Hz frequencies) or a portion thereof. For a time window, it is determined that an alert condition is satisfied using the number of the plurality of time intervals where the preferred or dominant frequency is within the Beta band or a portion thereof.