Patent classifications
A61B5/0484
IMPROVED METHODS AND APPARATUS FOR CORTICAL STIMULATION MAPPING DURING SURGICAL PROCEDURES
An apparatus and method is provided for intraoperative tissue stimulation during port-based surgery. The apparatus includes an access port and electrical terminals attached to the access port for tissue stimulation. In an alternative embodiment, the apparatus may include an access port, with or without electrical terminals attached to the access port for tissue stimulation, and electrocorticography sensors attached to the access port. The method includes inserting an access port into a tissue, applying an electrical potential to the tissue using electrical terminals attached to the access port, and measuring consequent neural activity using electrocorticography sensors attached to the access port.
Systems Level State Characteristics in Experimental Treatment of Disease
Methods and system for assessment of a state of the central nervous system (CNS) of a subject and/or differentiation between states of the CNS at a specific time point based on electrophysiological recordings of signals from at least two anatomical structures, wherein the signals are recorded from recording sites located in the anatomical structures, wherein the electrophysiological recordings comprise spatiotemporal fluctuations in the recorded extracellular potential, wherein the electrophysiological recordings are action potentials and/or local field potentials (LFPs) in the anatomical structures and represent the state of the CNS, a s well as the use of the method for assessment of a state of the CNS and/or differentiation of at least two states of the CNS, as well as to the use of the method for evaluating the effect of a treatment of a condition or disease, wherein the condition or disease is neurological and/or psychiatric.
Wireless EEG headphones for cognitive tracking and neurofeedback
The proposed invention relates to a mobile device and methods for acquisition of biophysiological signals for the purpose of assessing mental states. The said mobile device is embedded into wireless headset that comprises headphones. The mobile device comprises sensors for biophysiological signal acquisition, including, but not limited to, electroencephalographic (EEG) signals, pulse oximetry, heart rate, body temperature and electrodermal activity. Furthermore, the device also measures environmental factors, including, but not limited to, ambient light and sound from the environment. The mobile device administers sound and visual stimuli to the user. The said biophysiological signals, after being processed, are used to assess mental states of the user (emotional states and cognitive processes). Furthermore, the intensity of the said mental states can be maintained at the same level, enhanced or weakened or fully modified using visual or sound stimuli. The device is designed so that it maintains the ergonomics and compactness of the device, so that it can be generally accepted as an everyday consumer device.
Systems and methods for determining neurovascular reactivity to brain stimulation
System and methods for stimulating the neurovascular system of the cerebral tissue through optimally placed devices, while simultaneously measuring the evoked neuronal and hemodynamic responses, also using optimally placed devices, is disclosed. Systems and methods for iteratively stimulating the neurovascular system and recording neuronal and hemodynamic responses are also disclosed. Further, a method for determining cerebral neurovascular functioning from the combined stimulation and measurement is disclosed, for use in diagnosis of neurovascular disorders.
BRAIN-COMPUTER INTERFACE METHOD AND SYSTEM BASED ON REAL-TIME CLOSED LOOP VIBRATION STIMULATION ENHANCEMENT
The present invention discloses a brain-computer interface method and system based on real-time closed loop vibration stimulation enhancement. The method includes: displaying and providing a motor imagery task to a subject, and collecting a generated digital electroencephalogram signal; reading the digital electroencephalogram signal, judging whether a preset time period is exceeded or not, performing interception if YES, and performing continuous reading if NO; performing band-pass filtering, obtaining time-frequency characteristics of the digital electroencephalogram signal through calculation by fast Fourier transform, and extracting a frequency value with highest frequency energy as a main frequency; obtaining an instantaneous phase of the digital electroencephalogram signal through calculation by Hilbert transform; generating predicted sine waves by respectively using the main frequency and the instantaneous phase as a frequency and an initial phase of sine waves, and predicting and obtaining real-time phase information; and judging whether the real-time phase is in a vibration stimulation application phase interval or not, generating and outputting a control instruction, and controlling a vibration motor to vibrate and to stimulate a sensory channel of the subject according to the control instruction. The present invention improves a signal-to-noise ratio of a brain-computer interface system, and enhances a recognition rate of a motor imagery signal.
SYSTEMS AND METHODS FOR MEASURING NEUROLOGIC FUNCTION VIA ODORANT, AUDIBLE AND/OR SOMATOSENSORY STIMULATION
A system for evaluating neurologic dysfunction of a subject includes an odorant generator configured to deliver an odorant stimulation to the subject, an auditory generator configured to deliver an audible stimulation to the subject, a vibrotactile stimulator configured to generate a somatosensory stimulation to the subject, a plurality of electrodes configured to be attached to the subject at respective different locations, and at least one processor. The plurality of electrodes are configured to collect neural signals from the subject as a result of the odorant stimulation, the audible stimulation, and the somatosensory stimulation. The at least one processor is configured to process the neural signals from the plurality of electrodes and generate an assessment of neurologic dysfunction of the subject.
Automatic Machine for Identifying Victim of Abuse Voice to Skull and Remote Neural Monitoring Technology and for Identifying Remote Attacker or Operator Using Device of Voice to Skull and Remote Neural Monitoring
Automatic machine can both identify victim and remote operator using device of V2K and Remote Neural Monitoring. The automatic machine using databases consisting seven catalogs contents. To launching a retinal image signal attacking remote operator, ask a tested person select and watch one image or video with some words attacking remote operator only causing remote operator's psychological response, but doesn't cause tested person's psychological response, then answers question on a touchscreen according V2K feedback signals by pressing buttons YES or NO, the automatic identifying system will show CORRECT or WRONG with every pressing. This function can guide the tested person to get final accurate identification quickly. Meanwhile printing and storing system can print certificate to victim and documents of all kinds status of remote operator, store them in an information database in computer; provide an access to users in network for updating information.
EVENT RELATED BRAIN IMAGING
A system and method to generate, store, retrieve, adjust, arrange, link, and display a series of medical images. Further, a system and method to do the same for a plurality of series of images that are different but related, and to select, link, coordinate, combine, and simultaneously display more than one of the series of images.
Vehicle and method for supporting driving safety thereof
A method for adjusting a driving control authority of a vehicle includes: generating stimulation for a driver using a stimulation generator; measuring a driver reaction signal in response to the generated stimulation using a measurement device; processing the measured driver reaction signal using a signal processor; determining a driver state based on the processed driver reaction signal using a determiner; and adjusting the driving control authority of the vehicle according to the determined driver state using a vehicle controller.
SYSTEM AND METHOD FOR MULTI MODAL DECEPTION TEST SCORED BY MACHINE LEARNING
Systems and methods for measuring physiological responses caused by cognitive load and stress to calculate a probability of deception. The system comprises modules to determine changes in pupil dilation, flicker frequency, pupil eye trajectory, face temperature, respiratory rate, position of the user's facial points, heart rate, skin conductivity, body movements, arm temperature, temperature, and electroencephalography signals; and modules to provide stimuli to the user, record conscious responses from the user, receive physiological signals, and determine changes in the user's physiological variables associated with stress and cognitive load in response to the stimuli generated, to calculate a likelihood of deception in conscious responses.