Abstract: Medical device systems and methods for operating medical device systems conserve energy by efficiently managing computational demands of the systems. Signals from a subject are processed and analyzed and an estimate of a propensity for a subject to have a neurological event is determined. Based on the results of the analysis and the estimate, further analysis may be performed and the estimate may be refined. Succeeding cycles of signal measurement and analysis are scheduled depending on the results of the analysis and the estimate. The schedule may be varied temporally or with regard to the types and intensities of analyzes performed.

Abstract: An implantable neurostimulator system adapted to provide therapy for various neurological disorders is capable of varying therapy delivery strategies based on the context, physiological or otherwise, into which the therapy is to be delivered. Responsive and scheduled therapies can be varied depending on various sensor measurements, calculations, inferences, and device states (including elapsed times and times of day) to deliver an appropriate course of therapy under the circumstances.

Abstract: Techniques for monitoring neurophysiologic indicators of the members of a team while performing one or more collaborative tasks, for analyzing the collected neurophysiologic data and environmental data, for generating feedback, and for generating assessments of the performance of the team based on the collected data are provided. Feedback can be created based on the assessments of the team performance. Assessments of team performance can be performed in real time and feedback can also be provided in real time. In other embodiments, feedback can be provided to team members and/or the team as a whole after training exercise and/or simulation has been completed.

Abstract: The present disclosure provides a method and system for monitoring a change in intensity of pain experienced by one or more users using a virtual reality environment. The method includes receiving one or more virtual content corresponding to the virtual reality environment on a virtual reality device, displaying the one or more virtual content corresponding to the virtual reality environment on the virtual reality device to the one or more users during one or more treatments provided to the one or more users, assessing the change in the intensity of pain experienced by the one or more users during the one or more treatments, generating a pain profile for each of the one or more users and determining a co-relation between the change in the intensity of pain experienced by the one or more users and the one or more virtual content viewed by the one or more users.

Abstract: Methods and systems described herein provide for an integrated approach for controlling a user's various devices based on the user's brain activity. A user's brain activity is monitored with a first user device. A change in the brain activity is detected. In response to detecting the change, data from a second user device is processed. The detected change in brain activity is compared to the processed data to determine whether the change in brain activity is associated with the second user device. In response to determining that the change is associated with the second user device, an option is generated for display on a display screen to control the second user device.

Abstract: Systems and methods for identifying and analyzing neuropsychological flow patterns, include creating a knowledge base of neuropsychological flow patterns. The knowledge base is formed by obtaining signals from multiple research groups for particular behavioral processes, localizing sources of activity participating in the particular behavioral processes, identifying sets of patterns of brain activity for the behavioral processes and neuropsychologically analyzing the localized sources and the identified patterns for each of the research groups. The neuropsychological analysis includes identifying all possible pathways for the identified sets of patterns, ranking the possible pathways based on likelihood for the particular behavioral process and reducing the number of ranked possible pathways based on additional constraints. A system for comparison of obtained signals from an individual to the created knowledge base is provided.

Abstract: A dyslexia screening system suitable for clinical use includes an integrated headset that efficiently and conveniently performs an auditory evoked response (ERP) test by positioning electrodes about the ears of the subject. An integral control module automatically performs the test, providing simplified controls and indications to the clinician. A number of screening tests that are stored in the headset are periodically uploaded for billing, remote analysis and result reporting. A paradigm that characterizes testing performed for a subject along with the patient identification and/or patient demographics are stored in an associated fashion for later fusion and analyses with similar but not necessarily identically constructed ERP tests.

Abstract: A method of improving psychophysiological function of a subject performing a stress-inducing activity using a computer includes, after a plurality of sensors that monitor stress-indicating physiological parameters have been coupled to the subject and to the computer, providing, by the computer to the subject, a set of training segments that each present the subject with one or more visual, audible, or tactile prompts, wherein in at least one of the training segments, the prompts induce the subject to simultaneously perform both the stress-inducing activity and a relaxation-inducing protocol. The computer provides the set of training segments until a value of at least one physiological parameter that indicates stress in the subject is within a pre-defined range of a baseline value of the parameter, thereby indicating that the subject has successfully performed the stress-inducing activity while maintaining alertness with a relative minimum of stress.

Abstract: Systems and methods for training networks are provided. A method for training networks comprises receiving an input from each of a plurality of neural networks differing from each other in at least one of architecture, input modality, and feature type, connecting the plurality of neural networks through a common output layer, or through one or more common hidden layers and a common output layer to result in a joint network, and training the joint network.

Abstract: The system, device, and method may use electrical stimulation of the vagus nerve to treat epilepsy with minimized or no effect on the heart. Treatment is carried out by an implantable signal generator, one or more implantable electrodes for electrically stimulating a predetermined stimulation site of the vagus nerve, and a sensor for sensing characteristics of the heart such as heart rate. The heart rate information from the sensor can be used to determine whether the vagus nerve stimulation is adversely affecting the heart. Once threshold parameters are met, the vagus nerve stimulation may be stopped or adjusted. In yet another embodiment, the system, device, and method may be simply a modified pacemaker having circuitry that determines whether a vagus nerve is being stimulated. In the event that the vagus nerve is being stimulated, the modified pacemaker may control the heart to maintain it within desired conditions during the vagus nerve stimulation.

Abstract: A system for detecting abnormalities or inconsistencies and a method to utilize the same are provided. In particular, a computer system may be adapted to detect the abnormality or inconsistency within at least a portion of a subject by generating internal impedance data which indicates that an impedance change within the portion of the subject has occurred. For example, the impedance change may be associated with a change in at least one characteristic of a blood vessel within the subject (such as a change in a fluid flow rate within at least a portion of the subject), a change in a fluid volume within at least a portion of the subject, etc. The impedance change also may be associated with the presence of a foreign object within the portion of the subject. In an exemplary embodiment, it is possible to detect the abnormality or inconsistency within the subject by generating a continuous, real time internal impedance map indicating the impedance change within the subject.

Abstract: A brainwave actuated apparatus has a brainwave sensor for outputting a brainwave signal, an effector responsive to an input signal, and a controller operatively connected to an output of said brainwave sensor and a control input to said effector. The controller is adapted to determine characteristics of a brainwave signal output by said brainwave sensor and based on said characteristics, derive a control signal to output to said effector.

Abstract: An instrument that utilizes body contact electrodes evaluates the quality of the connections made between the electrodes and the body. An electrode contact quality evaluation circuit performs the quality evaluation, such as by determining contact impedances for the electrodes. The corresponding contact quality of each electrode is conveyed to the user.

Abstract: A system for measuring fitness for duty which includes a) a visual stimulus display b) eye monitoring equipment for measuring eye and eyelid movements c) a central processing unit and data storage device to collect and store the data from the eye monitoring equipment d) a data analysis device programmed to calculate one or more of the measures of blink latency, measures of the relative velocity of upper eyelid closing and opening movements during blinks, the product of the amplitude to velocity ratio of eyelid closing and opening, the duration of blinks, the variability of eyelid movements during blinks, the failure to respond appropriately with a voluntary blink following each said brief visual stimulus e) said data analysis device programmed to place the values for said measures into an algorithm for measuring fitness for duty.

Abstract: An active interface device including a transducer or sensor array having a plurality of transducers or sensors arranged to transform a cell activity into an electrical signal, at least one detection unit for detecting the electrical signal(s), at least one recording unit for recording the electrical signal(s), comprising a plurality of recording channels arranged for being routed to the transducers or sensors, and at least one control unit. The control unit is arranged for addressing the transducers or sensors to the detection unit(s), for activating transducers or sensors, and for routing the recording channels to activated transducers or sensors.

Abstract: Methods, devices, systems, and apparatus, including computer programs encoded on a computer storage medium, for brain-controlled body movement assistance devices. In one aspect, a device includes a brain-controlled body movement assistance device with a brain-computer interface (BCI) component adapted to be mounted to a user, a body movement assistance component operably connected to the BCI component and adapted to be worn by the user, and a feedback mechanism provided in connection with at least one of the BCI component and the body movement assistance component, the feedback mechanism being configured to output information relating to a usage session of the brain-controlled body movement assistance device.

Abstract: A method and display apparatus for providing content are provided. The method for providing content includes displaying a content UI in which a plurality of content is included, detecting an area at which a user gazes in the content UI, determining a preference for gaze content that is present in the area at which the user gazes by measuring user's brainwaves, and providing the content UI based on the determined preference. The user can be provided with the content UI that is configured more intuitively and conveniently according to the user preference.

Abstract: Arrangements are described for fitting a cochlear implant system to an implanted patient. A test stimulation sequence is delivered to the implanted patient which is based on a concatenated sequence of time shifted envelopes of sinusoidal amplitude modulated (SAM) signals that have a carrier frequency fc modulated by a jittered modulation frequency fm+?, where ? is a frequency jitter component selected from a jitter range of [??1,+?1]. Patient responses to the test stimulation sequence are simultaneously measured including an auditory steady-state response (ASSR) measurement signal and a psychophysical pitch discrimination response. The time shifted envelopes are adapted to avoid measurement artifacts in the ASSR measurement signal around the modulation frequency fm.

Abstract: A method and display apparatus for providing content are provided. The method for providing content includes displaying a content UI in which a plurality of content is included, detecting an area at which a user gazes in the content UI, determining a preference for gaze content that is present in the area at which the user gazes by measuring user's brainwaves, and providing the content UI based on the determined preference. The user can be provided with the content UI that is configured more intuitively and conveniently according to the user preference.

Abstract: A color detection system includes a motherboard, a detection device, and a detection card. The detection device comprises a display unit and a memory unit storing a first color frequency setting value. The display unit displays a first color according to the color frequency setting value. The detection card includes a color sensor, a microcontroller, and a first connector. The color sensor generates a first color frequency current value after sensing the first color from the display unit and sends the first color frequency current value to the microcontroller. The microcontroller sends the first color frequency current value to the motherboard And the motherboard outputs detection success information to the display unit when a first difference value between the first color frequency current value and the first color frequency setting value is less than a predetermined value. The display unit displays the detection success information.

Abstract: Methods, systems and computer readable storage medium for retrieving mental images of faces from the human brain. An exemplary embodiment includes a method for retrieving mental images of faces from a human brain, the method including generating an image on a screen, measuring brain activity data from a brain scanner, varying characteristics of the image on the screen, detecting changes in the brain activity data measured from the brain scanner, and generating a final image on the screen, the final image being related to a subjectively described mental image.

Abstract: Methods and systems described herein provide for an integrated approach for controlling a user's various devices based on the user's brain activity. A user's brain activity is monitored with a first user device. A change in the brain activity is detected. In response to detecting the change, data from a second user device is processed. The detected change in brain activity is compared to the processed data to determine whether the change in brain activity is associated with the second user device. In response to determining that the change is associated with the second user device, an option is generated for display on a display screen to control the second user device.

Abstract: An implantable peripheral neurostimulation lead for head pain is adapted for implantation in the head for the therapeutic purpose of treating chronic head and/or face pain. The lead may include an extended lead body, a plurality of internal electrically conducting metal wires running along at least a portion of its length and individually connecting to a proximal surface contact and a distal surface electrode; a distal extended metal surface electrode array, subdivided into a plurality of sub-arrays; and a proximal in-line connector, which may include a proximal surface contact array adapted to couple with a separate implantable pulse generator. The lead may be operable to provide medically acceptable therapeutic neurostimulation to multiple regions of the head, including the frontal, parietal, and occipital regions of the head simultaneously.

Abstract: A computer-implemented method for improving psychophysiological function for performance of a subject under stress includes, after a plurality of sensors that monitor stress-indicating physiological parameters have been coupled to the subject, exposing the subject, using computer processes, to at least one training segment during which is determined a degree to which the subject has achieved a targeted level of least one stress-indicating physiological parameter as to be indicative of coherence in the subject. Additionally, the method includes providing, to the subject, feedback indicative of the degree to which the subject has achieved the targeted level of the at least one parameter as to be indicative of coherence in the subject.

Abstract: Disclosure is directed to commanding a content receiver by interpreting brainwave patterns that are captured from a user of the content receiver. The user's brainwave patterns may be captured by the use of a headset having a plurality of sensors that are disposed at various locations in proximity to the user's head. The content receiver may be operable to learn to recognize specific brainwave patterns for individual users. The content receiver may recognize a number of specific brainwave patterns for each user, each specific brainwave pattern corresponding to a specific command that is executable by the content receiver. When executing user commands, the content receiver may process an input stream from the headset and compare portions of the input stream to the recognized brainwave patterns in order to extract commands from the input stream. Following this, the extracted commands may be executed by the content receiver.

Abstract: Systems and methods for navigating between images of multiple exams using gestures performed on a touch sensitive input device.

Abstract: A method of modeling time-dependent electrical activity of a biological system, the method comprises transforming an input through at least one dynamic mode to yield at least one modal output; processing the at least one modal output to yield at least one amplitude variable and at least one phase variable; and mapping the at least one amplitude variable and the at least one phase variable to an observable output.

Abstract: A haptic drive circuit for an electrical muscle stimulation electrode has an input for receiving a haptic signal based on a haptic effect from a haptic effects processor. The drive circuit contains logic for generating a electrical muscle stimulation current based on the haptic signal. An electrode in contact with a user's skin receives the electrical muscle stimulation current, causing a haptic effect by contraction and relaxation of muscles near the electrode.

Abstract: There is disclosed a system and process for diagnosing or determining a condition of a user. In particular the system and process can be used to provide a series of questions based upon personalized information of the user. This personalized information can be uploaded to a database. A series of questions can be automatically generated or a user can be assisted in creating a series of questions for a patient based upon this uploaded media. In addition, the system and process can use this personalized media to treat the patient and to assist the patient in their daily tasks.

Abstract: A computer-based education system monitors brain activity of the student to produce an “engagement” signal that may be compared against a dynamic threshold to identify a plurality of points demarcating periods of declining attention. These points are used to trigger modifications to the presentation of the educational program to promote student retention of the present information.

Abstract: A neurostimulation system can include a memory, a playback system, a stimulation electrode, and a controller. The memory can store data for first and second input waveforms. The playback system can provides first and second output waveforms, based on the first and second input waveforms in the memory, respectively, to form composite patterns of stimulation or waveforms. The first output waveform can be different than the second output waveform. The second output waveform can be periodically superimposed on the first output waveform. The controller can be in communication with the stimulation electrode. The controller can be configured to control application of the composite pattern of stimulation or waveform to a target site in a body of a subject suffering from a medical condition.

Abstract: An exemplary uncomfortable sound pressure determination system including: a sound data generator configured to generate sound data concerning sounds consecutively ascending or descending in sound pressure from first to nth sounds, the sounds being pure tones of a same frequency; an output section configured to present the sounds to a user; a characteristic amount extractor configured to extract, based on an event-related potential of the electroencephalogram signal measured after lapse of a predetermined time from a point in time of presenting each of the sounds, a characteristic amount concerning temporal change in frequency of the event-related potential; and an uncomfortable sound pressure determination section configured to determine, by referring to a previously-provided relationship by which temporal changes in frequency of event-related potentials and uncomfortable sound pressures are associated, a sound pressure corresponding to the extracted characteristic amount to be an uncomfortable sound pressure

Abstract: A method of maintaining an information rate of a Brain-computer interface (BCI) system, implanted in a patient's brain, by regulating arousal level in the patient's brain is disclosed. The method includes selecting a patient with the implanted BCI device configured to receive neuronal activity from one or more electrodes connected to the patient's brain and to establish a communication channel between the patient and an external device controlled by the patient. Accordingly, a rate of information passage through the communication channel from the BCI device is measured, and a region of the patient's brain involved in arousal regulation, is stimulated in response to said measuring, under conditions effective to adjust the rate of information passing from the BCI device through the communication channel. A computer medium for carrying out this method and a BCI Arousal Regulation system are also disclosed.

Abstract: Adaptive system for medical monitoring distributes data processing among computing devices connected to a network to optimize usage of computational resources, network communication speed and user experience. Data processing is distributed into several levels with bi-directional communication between the levels (computing devices) to coordinate and adjust data compression, filtering, and analysis, as well as the size of buffered data available for transmission and/or receiving.

Abstract: Systems and methods for treating pain are described. Systems and methods for treating pain using video games, tilt tables and bio-sensors are described wherein the level of the video game is controlled by a computer based on the feedback from a patient. Corresponding systems are also disclosed.

Abstract: Systems and methods for identifying and analyzing neuropsychological flow patterns, include creating a knowledge base of neuropsychological flow patterns. The knowledge base is formed by obtaining signals from multiple research groups for particular behavioral processes, localizing sources of activity participating in the particular behavioral processes, identifying sets of patterns of brain activity for the behavioral processes and neuropsychologically analyzing the localized sources and the identified patterns for each of the research groups. The neuropsychological analysis includes identifying all possible pathways for the identified sets of patterns, ranking the possible pathways based on likelihood for the particular behavioral process and reducing the number of ranked possible pathways based on additional constraints. A system for comparison of obtained signals from an individual to the created knowledge base is provided.

Abstract: A method of maintaining a state in a subject (12) comprises generating a pacing signal (20) at a first frequency, presenting to the subject an output based upon the generated pacing signal, measuring one or more physiological parameters of the subject, detecting that the measured parameter(s) conform to a desired state in the subject, and either removing the presentation to the subject of the output based upon the generated pacing signal, or generating a new pacing signal at a second frequency, and presenting to the subject an output based upon the generated new pacing signal. The method can further comprise, prior to the detecting that the measured parameter(s) conform to a desired state in the subject, adjusting the pacing signal according to feedback from the measured parameter(s).

Abstract: A method and system for motor learning. The method comprises the steps of detecting a user's motor intent; and giving robotic assistance to the user for executing a motor task associated with the motor intent based on the detected motor intent.

Abstract: A neurological control system for modulating activity of any component or structure comprising the entirety or portion of the nervous system, or any structure interfaced thereto, generally referred to herein as a “nervous system component.” The neurological control system generates neural modulation signals delivered to a nervous system component through one or more neuromodulators to control neurological state and prevent neurological signs and symptoms. Such treatment parameters may be derived from a neural response to previously delivered neural modulation signals sensed by one or more sensors, each configured to sense a particular characteristic indicative of a neurological or psychiatric condition.

Abstract: A mobile terminal and a method of controlling the operation of the mobile terminal are provided. The method according to one embodiment includes connecting a call between the mobile terminal and a counterpart mobile terminal; preparing a brain wave sensor and determining a state of mind of a user based on brain wave measurements obtained from the user by the brain wave sensor module; and performing a control operation relevant to the call according to the determined state of mind of the user.

Abstract: A brain-machine interface is provided that incorporates a neural dynamical structure in the control of a prosthetic device to restore motor function and is able to significantly enhance the control performance compared to existing technologies. In one example, a neural dynamical state is inferred from neural observations, which are obtained from a neural implant. In another example, the neural dynamical state can be inferred from both the obtained neural observations and from the kinematics. A controller interfaced with the prosthetic device uses the inferred neural dynamical state as input to the controller to control kinematic variables of the prosthetic device.

Abstract: A method of assessing the identity of a person by one or more of: internal non-visible anatomical structure of an eye represented by the Oculomotor Plant Characteristics (OPC), brain performance represented by the Complex Eye Movement patterns (CEM), iris patterns, and periocular information. In some embodiments, a method of making a biometric assessment includes measuring eye movement of a subject, making an assessment of whether the subject is alive based on the measured eye movement, and assessing a person's identity based at least in part on the assessment of whether the subject is alive. In some embodiments, a method of making a biometric assessment includes measuring eye movement of a subject, assessing characteristics from the measured eye movement, and assessing a state of the subject based on the assessed characteristics.

Abstract: Method, apparatus and computer program product for monitoring seizure activity in brain are disclosed. At least one parameter set sequence is derived from brain wave signal data obtained from a subject, wherein each parameter set sequence comprises sequential parameter sets and each parameter set comprises values for at least two signal parameters, the values being derived from the brain wave signal data. A path formed by each of the at least one parameter set sequence in a parameter space is determined, thereby to obtain at least one path. The parameter space is defined by the at least two signal parameters. At least one evolution indicator is calculated, each evolution indicator quantifying the evolution occurred in respective path formed in a given time period in the parameter space. The at least one evolution indicator is then employed to produce an indication of seizure activity in the brain wave signal data.

Abstract: A head-mountable EEG electrode-containing device is provided based on radially adjustable electrodes to fit the wearer's unique head size and shape. The head-mountable device with an electrode array positioned therein includes multiple head-mountable device sections that are interconnected by mechanical fasteners to facilitate sizing and positioning of the head-mountable device. An array of resilient sleeves is positioned within each head-mountable device section. Each resilient sleeve houses an individual electrode and is deformable for self-orienting. The deformation of the sleeve is such that a central axis passing through the individual electrode housed within the resilient sleeve is maintained in a position approximately normal to a plane tangential to a scalp portion positioned beneath that electrode.

Abstract: Disclosed are a cloud server for processing electroencephalography information, and an apparatus for processing electroencephalography information which measures, transmits, or processes electroencephalography information based on the cloud server. The cloud server includes: a communication unit communicatively connected with a wireless network to receive electroencephalography information of a user; and a electroencephalography information processing unit configured to analyze a mental state of the user from the received electroencephalography information, and provide a command or information corresponding to a result of the analysis as a processing result, in which the processing result is provided to the user or another user through the wireless network.

Abstract: A method and apparatus using brainwaves to control real objects is provided. The method and apparatus comprise using sensors to detect the brain's electrical signals and transmit at least two brainwaves to an apparatus that converts the brainwaves into a format usable by a signal processor. The signal processor determines a coherence between portions of the brainwaves, typically in the frequency domain, and compares the coherence values, which change rapidly from moment to moment, to thresholds. Based on the comparison of the coherence value to the thresholds, which are adjusted over time based on feedback relating to success, a control signal is developed that can be sent to a real object to control 3 dimensional motion of the control object.

Abstract: A flexible multi-modal microelectrode is provided that combines multi-channel fluidic and electrical interfaces for biological and other systems. Methods of making and using same are also disclosed.

Abstract: Methods for bridging brain sites between which there is substantially no effective communication, and associated neural prosthetic devices, are provided. A neural spike in a first neural site in a subject is detected, and a stimulus to a second neural site in the subject is delivered within a defined period of time after the detection of the neural spike, wherein there is substantially no effective communication between the first and second neural sites. The method forms an artificial bridge between the two neural sites, and establishes lasting communication between the two sites. The present disclosure provides, among other things, a neural prosthetic device comprising an integrated circuit that comprises a recording front-end comprising a plurality of recording channels; a processor unit; and a stimulus delivering back-end comprising a plurality of stimulation channels.

Abstract: A health care apparatus and method are provided. The apparatus includes: a motion sensing unit; a bio-electric potential sensing unit sensing an electric potential signal of the health examinee corresponding to the sensed result; and an analysis unit analyzing the sensed result. By recognizing a current motion of the examinee and sensing an electric potential signal corresponding to the recognized current motion from the examinee, a more reliable health index of the examinee can be calculated. Even when information on the current motion of the health examinee is not given, the current motion can be recognized by the apparatus and method. Furthermore, since the health examinee is notified of the calculated health index in real time, the health examinee can be informed immediately if the physical condition is in an emergency state. As a result, the examinee can respond quickly to the emergency situation.

Abstract: Methods, systems and computer program products for retrieving mental images of faces from the human brain. An exemplary embodiment includes a method for retrieving mental images of faces from a human brain, the method including generating an image on a screen, measuring brain activity data from a brain scanner, varying characteristics of the image on the screen, detecting changes in the brain activity data measured from the brain scanner, and generating a final image on the screen, the final image being related to a subjectively described mental image.