Abstract: A method and apparatus for performing rapid brain assessment may provide emergency triage to head trauma patients by analyzing a combination of spontaneous and evoked brain potentials. The spontaneous and evoked potentials are analyzed, and the results classified, to present a real-time assessment of a patient's brain, diagnosing any potential abnormalities therein.

Abstract: A sleep depth determining device 2 is a device for determining an object person M's depth of sleep using a sensitivity threshold which is the minimum stimulus intensity that can be sensed by the object person M in a sleep state and includes: a stimulus giving unit 5 that gives a first stimulus P1 and a second stimulus P2 stronger than the first stimulus P1 to the object person M; a sense detecting unit 6 that detects whether the object person M senses the first stimulus P1 and the second stimulus P2; and a sleep depth determining unit 7 that determines that the object person M's depth of sleep is a depth of sleep S2 corresponding to a sensitivity threshold between a first stimulus intensity T2a and a second stimulus intensity T2b when the sense detecting unit 6 detects that the object person M does not sense the first stimulus P1 but senses the second stimulus P2. Accordingly, it is possible to precisely determine that the object person M's depth of sleep is the depth of sleep S2.

Abstract: A hair removal device utilizes a system for sensing the presence and color of skin. The system includes a skin color sensor assembly and a capacitive sensor assembly disposed in a housing. The skin color sensor assembly includes a light pipe communicating with a color sensor aperture of the housing and having one or more notches defining receiving and emitting light propagation regions, a color sensor and one or more light emitting diodes, and a holder having at least one standoff mated to the notches thereby directing light emitted by the light emitting diodes through the light pipe for reflection of an external surface and receipt by the sensor for detection of surface color. The capacitive sensor assembly includes a plurality of copper elements in proximity to a device aperture and contacting an interior surface of the housing and for detection of an object in contact with the copper elements.

Abstract: The invention relates to a system for and a method of processing breathing signals. A noise reduction operation is performed on a spectral breathing signal (18) to compute an output spectral signal (38), said noise reduction operation using spectral subtraction; and a two-dimensional frequency and time filtering (32) of a gain function (30) used in the spectral subtraction of the noise reduction operation performing step is performed, for example, a two-dimensional frequency and time median filtering of the gain function. For example, said spectral breathing signal is computed based on a breathing signal.

Abstract: Certain examples provide a method of collecting and analyzing complex auditory brainstem response. The example method includes presenting at least one complex auditory stimulus to a subject and acquiring the subject's complex auditory brainstem response. The example method includes averaging complex auditory brainstem responses from the subject in at least one of a time domain and a frequency domain to form a collected response. The example method includes analyzing the collected response using a signal processor to process the collected response to provide a processed output and to adapt the response for comparison to the at least one complex auditory stimulus. The example method includes performing statistical computations on the processed output to generate visual and data feedback for a user.

Abstract: An introducer sheath/temperature probe assembly that is insertable into a blood vessel of a human or veterinary patent to measure the temperature of blood flowing through that blood vessel. The introducer sheath/temperature probe assembly may be used in conjunction with an indwelling heat exchange catheter system to warm or cool all or a portion of the patient's body to a desired target temperature and to maintain such target temperature for a desired period of time.

Abstract: A biological information detector including a light-emitting part for emitting a light directed at a detection site of a test subject, a light-receiving part for receiving a light having biological information, the light produced by the light emitted by the light-emitting part being reflected at the detection site, a reflecting part for reflecting the light emitted by the light-emitting part or the light having biological information, a protecting part, having a transparent surface in contact with the test subject, for protecting the light-emitting part or the light-receiving part, and a substrate held between the reflecting part and the protecting part, the light-emitting part being positioned on a side of the substrate towards one of either the reflecting part or the protecting part, and the light-receiving part being positioned on a side of the substrate towards another of either the reflecting part or the protecting part.

Abstract: In some examples, systems, devices, and techniques for determining a particular sleep stage of a patient, determining a seizure state of the patient during the particular sleep stage, and generating a seizure probability metric for the particular sleep stage based on the sleep stage and seizure state are described. In some cases, a patient may be more susceptible to seizure events during particular sleep stages. One or more seizure probability metrics indicative of a patient's susceptibility to seizure events during a particular sleep stage may be useful in creating a patient-specific treatment regimen.

Abstract: A blood pressure measurement device includes a wrapping strength detecting portion for detecting a wrapping strength of a cuff with respect to a measurement site. The wrapping strength detecting portion detects the wrapping strength of the cuff prior to calculation of a blood pressure value by a blood pressure calculation unit. That is, the wrapping strength of the cuff is detected based on a relationship indicated by a volume change ?V12 of the cuff detected with a change in the detection pressure in the cuff wrapped around the measurement site from P1 to P2 and a volume change ?23 of the cuff detected with change from P2 to P3 in a process of controlling the cuff pressure by a pressure adjustment unit.

Abstract: A non-invasive blood glucose concentration sensing system and method includes sensing neurophysiological brain activity of the user during visual pigment regeneration in an eye of the user, and correlating the sensed neurophysiological brain activity to the glucose concentration in the blood of the user.

Abstract: To assess regional oxygen uptake and/or perfusion in a patient, a volume of air inhaled by the patient is determined and, according to a method of electrical impedance tomography, a first regional lung volume is measured at a first time point of a breathold procedure. The first regional lung volume is compared to a second regional lung volume at a second time point of the breathold procedure.

Abstract: The present invention comprises a method and system for identifying personal meaning of an auditory stimulus to the person, such as, but not limited to, passion, using the measurement and processing of EEG and the identification of the presence of specific patterns in the signal.

Abstract: An EEG control of devices using Sensory Evoked Potentials (SEPs) (e.g., visually-evoked potentials), is disclosed. In some embodiments, a system receives a plurality of EEG signal samples; generates a stimulus locked average signal using the plurality of EEG signal samples; and determines whether the plurality of EEG signal samples are evoked in response to a pattern of stimulus.

Abstract: A method of building classifiers for multimodal neurological assessment is described. The method comprises the steps of extracting quantitative features from a plurality of physiological and neurocognitive assessments, and selecting a subset of features from the extracted pool of features to construct multimodal classifiers. A device for performing point-of-care multimodal neurological assessment is also described.

Abstract: A real-time method and system to accurately demarcate sub-territories of the subthalamic nucleus area in the brain during surgery, based on microelectrode recordings and a Hidden Markov Model. Root mean square and power spectral density of the microelectrode recordings are used to train and test Hidden Markov Model in identifying the dorsolateral oscillatory region and non-oscillatory sub-territories within the subthalamic nucleus. After the dorsolateral oscillatory region in the subthalamic nucleus is mapped, the microelectrodes are removed, and a macroelectrode is inserted in the mapped dorsolateral oscillatory region for producing deep brain simulation for treatment of Parkinson's disease.

Abstract: A portable device for measuring a consumed calories includes: a respiration measurement device measuring an amount of air inhaled into a user's nose to acquire and output a respiration signal; a plurality of movement detection devices acquiring and outputting acceleration signals reflecting (or indicating) the magnitude and direction of a movement of each part of the user's body; and a controller recognizing the amount of a user's movements and movement patterns by analyzing the acceleration signal, recognizing an intensity of an exercise by analyzing the respiration signal, and calculating a consumed calories in consideration of the amount of the user's movements, the movement patterns, and the intensity of exercise. A user's consumed calories can be precisely calculated by recognizing the user's movement and even the user's respiration rate.

Abstract: An electroencephalogram measurement apparatus includes: an electroencephalogram measurement section for measuring an electroencephalogram of a user by using a plurality of electrodes; an electro-acoustic transducer for presenting an acoustic signal to the user, the electro-acoustic transducer being in a vicinity of at least one electrode among the plurality of electrodes while the electroencephalogram measurement section is worn by the user; an amplitude envelope extraction section for extracting an amplitude envelope of the acoustic signal presented by the electro-acoustic transducer; a frequency analysis section for applying a frequency analysis to the amplitude envelope extracted by the amplitude envelope extraction section; and a noise estimation section for estimating an electrical noise which is mixed at the at least one electrode by using a previously provided set of transform rules and the extracted amplitude envelope.

Abstract: Apparatus and methods for vibro-acoustic detection of cardiac conditions are disclosed. An example method includes calculating a frequency difference between a first frequency of a first cardiac signal and a second frequency of a second cardiac signal; calculating an amplitude difference between the first cardiac signal and the second cardiac signal; calculating a root-mean-square value based on a difference between the first cardiac signal and the second cardiac signal; calculating a value based on the frequency difference, the amplitude difference, and the root-mean-square value; and detecting a cardiac condition based on the value.

Abstract: A method and system of simultaneously monitoring body position and respiration of a subject are provided. The end-expiratory value of an axial dimension of a distance Xi between a first location and a second location is monitored for the subject orientation, and is then assigned a body position for the subject orientation during a calibration maneuver in which the subject is asked to assume various body positions. The transient voltage spikes in Xi voltage are measured to determine when the subject orientation changes. Following the subject orientation change, the stable end-expiratory voltage is determined to define a new body position. The new body position is outputted to a data output interface communicating with varied output devices.

Abstract: Systems, methods, and apparatus for neuro-robotic tracking point selection are disclosed. A described example robot control system includes a feature and image presenter, a classifier, a visual-servo controller, and a robot interface. The feature and image presenter is to display an image of an object, emphasize one of more potential trackable features of the object, receive a selection of the emphasized feature, and determine an offset from the selected feature as a goal. The classifier is to classify a mental response to the emphasized features, and to determine that the mental response corresponds to the selection of one of the emphasized features. The visual-servo controller is to track the emphasized feature corresponding to an identified brain signal. The robot interface is to generate control information to effect a robot action based on the emphasized feature, the visual-servo controller to track the emphasized feature while the robot action is being effected.