Abstract: A system having a scope with a longitudinal length extending between a proximal end and a distal end includes a plurality of markers spaced along the longitudinal length. The system also includes a disassociation and positioning device that is configured to enhance unsedated transnasal endoscopic procedures by at least partially occluding the vision of a patient while enabling body cavity access, and optionally record and sense body functions such as temperature, heart rate and oxygenation of the blood stream. The system further includes a sensor integrated into the distraction device, wherein the sensor is configured to detect the markers on the longitudinal length of the scope.

Abstract: The invention relates to a signal processing unit (208) for determining a value of a blood flow quantity characterizing blood flow inside a blood vessel, wherein the signal processing unit comprises a vibration sensor signal input, which is configured to receive vibration sensor signals from an intravascular vibration sensor at two different measuring times, the vibration sensor signal comprising a vibration sensor signal component caused by blood flow oscillations of intravascular blood flow, and a blood flow determination unit which, for each measuring time, is configured to determine the vibration sensor signal components using the vibration sensor signal, to determine a respective oscillation frequency of the blood flow oscillations using the vibration sensor signal component and to determine and provide a frequency ratio of the determined oscillation frequencies as the value of the blood flow quantity.

Abstract: The method of determining systolic and diastolic blood pressure where the set of received data of each curve of the plethysmographic curve gained from the unit for monitoring the life functions in a shape of the ring and/or the earring is divided into individual segments that respond to one heartbeat of the measured subject and after processing there are selected and recalculated segments meeting the defined criteria. The unit for monitoring and measuring the life functions comprises a supporting construction in a shape of a ring (29) and/or an earring (39).

Abstract: A blood pressure surge is detected from time-series data regarding a blood pressure value. An acquisition unit configured to acquire time-series data regarding a blood pressure value; a calculation unit configured to set one or more peak detection intervals to the time-series data, and calculate a feature amount for each of the peak detection intervals based on one of a systolic blood pressure, a diastolic blood pressure, and a pulse pressure; and a specifying unit configured to specify at least one first peak from the feature amount of each peak detection interval are included.

Abstract: A blood pressure data processing apparatus includes: a blood pressure surge acquisition unit configured to acquire a blood pressure surge; a blood pressure waveform extraction unit configured to extract a blood pressure waveform of one or more heartbeats from the blood pressure surge; a waveform feature amount calculation unit configured to calculate a waveform feature amount for each blood pressure waveform of one heartbeat isolated from the blood pressure waveform of one or more heartbeats, or for an average blood pressure waveform obtained by averaging the blood pressure waveforms of one heartbeat isolated from the blood pressure waveform of one or more heartbeats; and a causal factor identification unit configured to identify a causal factor of the blood pressure surge from among predetermined causal factors, based on the waveform feature amount.

Abstract: A blood pressure data processing apparatus includes: a blood pressure data acquisition unit to acquire blood pressure data; a blood pressure surge candidate detection unit detecting a blood pressure waveform that is a blood pressure surge candidate based on the blood pressure data; a blood pressure waveform extraction unit extracting a blood pressure waveform of one or more heartbeats; a waveform feature amount calculation unit calculating a waveform feature amount for each blood pressure waveform of one heartbeat isolated from the blood pressure waveform of one or more heartbeats, or for an average blood pressure waveform obtained by averaging the blood pressure waveforms of one heartbeat isolated from the blood pressure waveform of one or more heartbeats; and a blood pressure surge identification unit identifying whether or not the blood pressure waveform that is the blood pressure surge candidate is a blood pressure surge based on the waveform feature amount.

Abstract: A system and method is presented for cuff-less blood pressure measurement in a mobile device. A key aspect of this disclosure is the discovery of a new location for blood pressure measurement at the fingertip of a subject and that reflectance-mode photoplethysmography can be used to help make this measurement. Through experiments in human subjects, it was discovered that it is indeed possible to measure systemic blood pressure by having a subject press the fingertip against a reflectance-mode photo-plethysmography-force sensor unit under visual guidance and then compute blood pressure from the resulting variable-amplitude blood volume oscillations and applied pressure via an oscillometric algorithm.

Abstract: An adapter includes a substantially rigid body having a distal portion, a proximal portion, a central opening formed at least in part by an inner wall of the body, and a longitudinal axis extending substantially centrally through the opening. The distal portion includes an annular ring having a top surface and a ridge disposed opposite the top surface, the ridge extending substantially perpendicular to the longitudinal axis. The distal. The adapter also includes a seal configured to form a substantially fluid-tight seal with a surface of a fitting removably attachable to the adapter.

Abstract: The present invention provides a bio-electrode composition including a silicone bonded to a fluorosulfonic acid salt, wherein the fluorosulfonic acid salt is shown by the following general formula (1): wherein R1 represents an alkylene groups with 1 to 20 carbon atoms or an arylene groups with 6 to 10 carbon atoms; Rf1 and Rf2 each represent a hydrogen atom, a fluorine atom, an oxygen atom, or a trifluoromethyl group; Rf3 and Rf4 each represent a hydrogen atom, a fluorine atom, or a trifluoromethyl group, provided that one or more fluorine atoms are contained in Rf1 to Rf4; M is selected from sodium, potassium, and silver. This can form a living body contact layer for a bio-electrode that is excellent in electric conductivity and biocompatibility, light-weight, manufacturable at low cost, and free from large lowering of the electric conductivity even though it is wetted with water or dried.

Abstract: The present invention relates to a method of analysing cardiac data relating to a patient, comprising: providing cardiac data relating to the patient—optionally by using a means for providing physiological data (20); determining one or more properties of the data, wherein the or each property is determined over a particular context length, the context length being selected based on the or each property—optionally using an analysis module (24); comparing the or each property against a respective predetermined threshold value, thereby to indicate a probability of the patient experiencing a cardiac event—optionally using a means for providing an output (26); and providing an output based on the comparison. A system and apparatus corresponding to this method is also disclosed.

Abstract: A neurological condition detection unit can include a computer device that is connected to at least two leads that are connectable to a patient for evoking a response from that patient via an electrical current passed through the leads (e.g. a shock) and at plurality of sensors connected to the computer device to sense how the left side and right side of the patient's brain reacts to the evoked event (e.g. the shock). The stroke detection device and/or neurological condition detection unit can be configured to output a warning when one side of the patient's brain is determined to react differently than the opposite side of the patient's brain by at least a pre-selected threshold value. The warning can include an identification of a nearby care facility that may be best suited for providing care to a patient determined to have a neurological condition (e.g. a stroke).

Abstract: A system and method for electrocardiography and actigraphy data processing with the aid of a digital computer are provided. Samples of actigraphy event occurrences and samples of electrocardiographic signals are retrieved from a memory of a physiological monitor, wherein the samples of the actigraphy event occurrences are embedded among the samples of the electrocardiographic signals based on a time associated each of the samples of the actigraphy event occurrences and a time associated with each of the samples of the electrocardiographic signals. An actionable actigraphy event occurrence is identified from the samples of the actigraphy event occurrences. Those samples of the electrocardiographic signals that were sensed substantially concurrent to a time of the occurrence of the actionable actigraphy event are identified based on the embedding. The actionable event occurrence and the samples of the electrocardiographic signals that were identified are output.

Abstract: The present invention relates to an ECG cable for connection with an ECG monitor. To achieve a miniaturization of the ECG cable and omitting the conventionally used trunk cable and trunk cable connector, the ECG cable comprises a core (2), a resistive wire cable (3a-3h) comprising a plurality of resistive wires (31-37) wound around the core and isolated with respect to each other, and two or more flexible lead wires (4), each connected to a respective resistive wire at its one end (40) and to an electrode (5) at its other end (41).

Abstract: Devices and methods for development of concentration are described herein. A three-mode device for development of concentration may include an optical sensing unit. The optical sensing unit may include a plurality of sensitive elements configured to sense a signal provided by a user. The signal may be associated with a plurality of electromagnetic fields. The plurality of sensitive elements may be configured to impose the plurality of electromagnetic fields onto each other to obtain an outgoing signal. The device may further include an optical emitting unit configured to emit the outgoing signal and one or more lenses for focusing concentration of the user. The one or more lenses may be associated with the optical sensing unit. The device may further include two switches for switching between a plurality of operation modes and a lighting unit to indicate each of the plurality of operation modes by emitting a predetermined light signal.

Abstract: A method may include obtaining first image data of a first subject and obtaining a target machine learning model. The first image data may indicate a first intensity distribution of a first magnetic field relative to at least one portion of the first subject. The target machine learning model may provide a mapping relationship between second intensity distributions of second magnetic fields and corresponding second susceptibility distributions associated with second subjects under the second magnetic fields. The method may also include generating a first susceptibility distribution associated with the first subject under the first magnetic field based on the target machine learning model and the first image data. The method may further include determining a target MR image of the at least one portion of the first subject based on the first susceptibility distribution.

Abstract: An imaging unit of an MRI apparatus performs imaging of a positioning image of a subject including a spine; a first imaging that images a cross section including the spine and extending along a longitudinal direction of the spine; and a second imaging that images a cross section in a direction of traversing the spine. An automatic cross-section position setting unit detects a specific tissue of the spine using a scout image or an image including the spine acquired in the first imaging step, performs a matching process between the detected specific tissue of the spine and a spine model, and calculates an imaging cross-section position of the second imaging based upon a specific tissue position of the spine specified by matching, thereby performing automatic setting.

Abstract: In a method for monitoring a patient during a medical imaging examination, at least one state signal of the patient is detected using at least one state detector, and the at least one detected state signal of the patient is evaluated using an evaluation algorithm. An emotional state of the patient can be established based on the detected state signal. The method can further include generating output information based on the established emotional state of the patient and outputting the output information via an output interface.

Abstract: The present disclosure relates to a method for configuring a medical device. The method comprises: providing a set of one or more parameters for configuring the medical device. Each parameter of the set has predefined values. A set of values of the set of parameters may be selected from the predefined values. Using the selected values the set of parameters may be set, which results in an operational configuration of the medical device. The medical device may be controlled to operate in accordance with the operational configuration, thereby an operating status of the medical device may be determined. Based on at least the operating status the operational configuration may be maintained or the selecting, setting and controlling may be repeatedly performed until a desired operating status of the medical device can be determined based on the operating statuses resulting from the controlling.

Abstract: A method is disclosed comprising: performing a first scan of an organ using a set of electrodes in a catheter that are currently active; deactivating one or more of the electrodes in the set based on data that is collected as a result of the first scan; tuning the set by at least one of (i) deactivating one or more electrodes in the set that remain active after the deactivating, and (ii) activating one or more electrodes in the catheter that are inactive; performing a second scan of the organ using electrodes in the set that are currently active after the tuning is performed, and generating a map of the organ based on data collected as a result of the second scan; and outputting the map of the organ for presentation to a user.

Abstract: A method for providing health care information by using a cloud-based portable device for measuring body fat and a device using the same are disclosed. A health care information providing method is a method for allowing a cloud-based server to provide health care information, and comprises the steps of: collecting body fat measurement results from portable devices for measuring body fat of users; generating reference data for each group or each region on the basis of the collected body fat measurement results; and acquiring personal body fat measurement result information on the basis of the generated reference data.

Abstract: Systems and methods for predicting motion of a target using imaging are provided. In one aspect, a method includes receiving image data, acquired using an imaging system, corresponding to a region of interest (“ROI”) in a subject, and generating a set of reconstructed images from the image data. The method also includes processing the set of reconstructed images to obtain motion information associated with a target in the ROI, and applying the motion information in a motion prediction framework to estimate a predicted motion of the target. The method further includes generating a report based on the predicted motion estimated.

Abstract: A method for guiding deep breathing may include receiving a request from a user to initiate a deep breathing exercise on a user-controlled device. The method may include monitoring deep breathing using one or more sensors on an ear-worn device in response to initiating the deep breathing exercise. Examples of sensors include at least one of a motion detector, a microphone, a heart rate sensor, and an electrophysiological sensor. The method may further include initiating an end to the deep breathing exercise. The method may be used with various hearing systems including an ear-worn device and optionally a user-controllable device, such as a smartphone.

Abstract: Aspects of the technology described herein relate to delivery of pressure based on ultrasound data. Certain aspects relate to receiving ultrasound data collected from a subject by a wearable ultrasound device, determining that the ultrasound data indicates apnea (e.g., absence of lung sliding or movement of internal abdominal organs), and based on determining that the first ultrasound data indicates apnea, increase pressure being delivered to the subject. To increase the pressure, a positive airway pressure device may increase the pressure it generates, an adapter may route power to the positive airway pressure device, or a valve may permit air to flow from the positive airway pressure device to the subject. Increasing pressure may be triggered by an activation signal transmitted by the wearable ultrasound device or a processing device. The wearable ultrasound device may be a patch configured to couple to the subject's skin.

Abstract: Disclosed is apparatus for collecting a breath sample from a human subject, the apparatus comprising at least a mask portion which, in use, is positioned over the subject's mouth and nostrils so as to collect breath exhaled from the subject, the apparatus further comprising movement detection means for detecting movement of the mask portion, and an alarm signal generator, which alarm signal generator generates an alarm signal if the subject's head is outside a predetermined range of acceptable orientations during collection of a breath sample, but only after the subject's head has been outside the predetermined range of acceptable orientations for a defined or measurable period of time.

Abstract: An airway sizing apparatus (10) for determining a cross-sectional length (20) of an airway (30) of a subject (40) comprising: a guide rod assembly (50) including one or more control members (52) and a distal scale (54); a collar assembly (70) disposed on the guide rod assembly, configured to radially expand and contract with activation of the one or more control members; wherein the collar assembly includes a collar indicator member (72) that moves linearly on the distal scale to indicate the cross-sectional length of the airway.

Abstract: A walking support system includes: an information output device (260); a motion detector (220) which detects a motion of a user; a foot landing position detector (230) which detect a foot landing position of the user; a determiner (240) which determines a recommended foot landing position which is a landing position of the feet suitable for stabilizing motions of a gait of the user on the basis of motions of a gait of the user detected by the motion detector, the foot landing position detected by the foot landing position detector, and dynamics; and an output controller (250) which outputs information indicating the recommended foot landing position determined by the determiner to the information output device.

Abstract: A walking support system for supporting a user while walking includes a display unit, a landing timing detection unit configured to detect a timing of a landing while the user walks and a display control unit configured to cause the display unit to display an auxiliary image for prompting the user to change an angle of his/her upper body in synchronization with the timing of the landing on the basis of an output of the landing timing detection unit.

Abstract: The disclosure is related to a method and an apparatus for human fall detection with power-saving feature. In the method, a processor is set in a sleep state under a normal operating condition, and sensor data generated by a sensor unit of the apparatus worn on a person is stored in a buffer. A processor of the apparatus is woken up from a sleep state when the processor receives a collision signal, and the processor then retrieves the buffered sensor data and current sensor data. The sensor data is processed by a fall detection program. The apparatus will generate an alarm for a fall event if the sensor data meets the preset fall conditions; otherwise, the processor returns to the sleep state. The apparatus saves power by avoiding huge data calculation while staying in the sleep state until being woken up by the collision signal.

Abstract: A rotation monitoring system may be attached to a limb and can identify ranges of motion that are associated with injuries or poor performance. In some embodiments, the device is designed to monitor flexion and orientation of joints and limbs, developed specifically around identifying stress concentrating behavior on the ACL. Tests performed show that the designed device can read flexion and orientation of the knee, is durable enough to be used in real-world conditions, and does not impede on the subject's movements.

Abstract: Some embodiments described herein relate to an apparatus including a light source configured to transmit an excitation optical signal to an implanted sensor and a detector configured to detect an analyte-dependent optical signal emitted from an implanted sensor. The apparatus can include a lens configured to focus at least a portion of the analyte-dependent optical signal onto the detector.

Abstract: Multiplexed transdermal extraction and detection devices and systems for non-invasive monitoring of substances, such as glucose, are disclosed, as are methods of using these devices for substance monitoring in subjects.

Abstract: CGMs containing a sensor electrode that is partially or completely coated with one or more layers of a material containing zwitterionic polymers are disclosed. With just a single calibration after implantation, CGMs containing the zwitterionic polymer coatings show reduced discordance between detected and actual blood glucose levels, during the crucial first one to three days, where current commercially available CGMs tend to show discordance with actual blood glucose levels.

Abstract: A method of manufacturing laminate structure including the steps of providing a waveguide structure having a plurality of waveguide cores and including a first surface, creating an oxygen sensing polymer cavity in the first surface of the waveguide structure to receive an oxygen sensing polymer, filling the oxygen sensing polymer cavity with the oxygen sensing polymer and curing the oxygen sensing polymer, adding a first layer material on top of the first surface of the waveguide structure, where the first layer material includes a reaction chamber cavity that is contiguous with the oxygen sensing polymer, filling the reaction chamber cavity with an enzymatic hydrogel and curing the enzymatic hydrogel; adding a second layer material on top of the first layer material, where the second layer material includes a conduit cavity to receive a conduit hydrogel, filling the conduit cavity with a conduit hydrogel and curing the conduit hydrogel, and adding a top cap on top of the second layer of material.

Abstract: Provided is a blood glucose measurement device and method. The blood glucose measurement device may determine a blood glucose unit to be provided to a user based on a user input and a region in which the device is positioned, and provide blood glucose data to the user using the determined blood glucose unit through a display.

Abstract: Methods and apparatus are provided for communication among display devices and sensor electronics unit in an analyte monitoring system. The analyte monitoring system may include a sensor that is configured to perform measurements indicative of analyte levels. The sensor may be communicatively coupled to the sensor electronics unit. The sensor electronics unit may be configured to transmit data indicative of analyte levels to the display devices using one or more communication protocols. Furthermore, the sensor electronics unit may be configured to operate in multiple modes, and switch between the modes in response to commands received from the display devices. Related systems, methods, and articles of manufacture are also described.

Abstract: Methods and apparatus are provided for communication among display devices and sensor electronics unit in an analyte monitoring system. The analyte monitoring system may include a sensor that is configured to perform measurements indicative of analyte levels. The sensor may be communicatively coupled to the sensor electronics unit. The sensor electronics unit may be configured to transmit data indicative of analyte levels to the display devices using one or more communication protocols. Furthermore, the sensor electronics unit may be configured to operate in multiple modes, and switch between the modes in response to commands received from the display devices. Related systems, methods, and articles of manufacture are also described.

Abstract: A system and method is provided for analyzing a glucose state. A method may include identifying a target glucose state and an initial glucose state. The method may include calculating a target return path for a transition from the initial glucose state to the target glucose state. The target return path may comprise at least one intermediate glucose state associated with the transition from the initial glucose state to the target glucose state. The target return path may be calculated based on a hazard associated with the at least one intermediate glucose state of the target return path.

Abstract: The invention provides a physiological probe that comfortably attaches to the base of the patient's thumb, thereby freeing up their fingers for conventional activities in a hospital, such as reading and eating. The probe, which comprises a separate cradle module and sensor module, secures to the thumb and measures time-dependent signals corresponding to LEDs operating near 660 and 905 nm. The cradle module, which contains elements subject to wear, is preferably provided as a disposable unit.

Abstract: To identify physiological states that are predictive of a person's performance, a system provides physiological and behavioral interfaces and a data processing pipeline. Physiological sensors generate physiological data about the person while performing a task. The behavioral interface generates performance data about the person while performing the task. The pipeline collects the physiological and performance data along with reference data from a population of people performing the same or similar tasks. In various implementations, the physiological states are brain states. In one implementation, the pipeline computes bandpower ratios.

Abstract: To objectively grasp a stress state of a user and to prevent a mental disorder of the user, the following steps are performed: acquiring, via a network, biogas information at multiple timings and time information corresponding to each of the multiple timings, wherein the biogas information represents a concentration of acetophenone of a user acquired by a sensor that detects acetophenone discharged from a skin surface of the user; obtaining reference information representing an upper limit of a normal range of the concentration of acetophenone per unit period of time, using a memory storing the reference information representing the upper limit of the normal range; determining a stress time period during which a concentration of the acetophenone of the user is more than the upper limit of the normal range, based on the acquired biological gas information; and outputting time period information indicating the determined stress time period to an information terminal of the user, to display the stress time perio

Abstract: To objectively grasp a stress state of a user and to prevent a mental disorder of the user, the following steps are performed: acquiring, via a network, biogas information at multiple timings and time information corresponding to each of the multiple timings, wherein the biogas information represents a concentration of heptadecane of a user acquired by a sensor that detects heptadecane discharged from a skin surface of the user; obtaining reference information representing an upper limit of a normal range of the concentration of heptadecane per unit period of time, using a memory storing the reference information representing the upper limit of the normal range; determining a stress time period during which a concentration of the heptadecane of the user is more than the upper limit of the normal range, based on the acquired biological gas information; and outputting time period information indicating the determined stress time period to an information terminal of the user, to display the stress time period in

Abstract: In order to objectively grasp a stress state of a user and to prevent postpartum depression, biological gas information is acquired via a network, where the biological gas information indicates a concentration of ethylene glycol of the user and is obtained by a sensor that detects ethylene glycol released from a skin surface of the user. From a memory storing information including an upper limit of a normal range of the concentration of ethylene glycol per unit period, the information indicating the upper limit of the normal range is read out. When a frequency in the unit period with which the concentration of ethylene glycol of the user exceeds the upper limit of the normal range is determined to have an increasing tendency based on the biological gas information obtained during a pregnancy period of the user, the information related to stress of the user is output to an information terminal of the user.

Abstract: To objectively grasp a stress state of a user and to prevent a mental disorder of the user, the following steps are performed: acquiring, via a network, biogas information at multiple timings and time information corresponding to each of the multiple timings, wherein the biogas information represents a concentration of phenol of a user acquired by a sensor that detects phenol discharged from a skin surface of the user; obtaining reference information representing an upper limit of a normal range of the concentration of phenol per unit period of time, using a memory storing the reference information representing the upper limit of the normal range; determining a stress time period during which a concentration of the phenol of the user is more than the upper limit of the normal range, based on the acquired biological gas information; and outputting time period information indicating the determined stress time period to an information terminal of the user, to display the stress time period indicated by the time

Abstract: To objectively grasp a stress state of a user and to prevent a mental disorder of the user, the following steps are performed: acquiring, via a network, biogas information at multiple timings and time information corresponding to each of the multiple timings, wherein the biogas information represents a concentration of 2-phenoxyethanol of a user acquired by a sensor that detects 2-phenoxyethanol discharged from a skin surface of the user; obtaining reference information representing an upper limit of a normal range of the concentration of 2-phenoxyethanol per unit period of time, using a memory storing the reference information representing the upper limit of the normal range; determining a stress time period during which a concentration of the 2-phenoxyethanol of the user is more than the upper limit of the normal range, based on the acquired biological gas information; and outputting time period information indicating the determined stress time period to an information terminal of the user, to display the s

Abstract: In order to objectively grasp a stress state of a user and to prevent postpartum depression, biological gas information is acquired via a network, where the biological gas information indicates a concentration of phenol of the user and is obtained by a sensor that detects phenol released from a skin surface of the user. From a memory storing information including an upper limit of a normal range of the concentration of phenol per unit period, the information indicating the upper limit of the normal range is read out. When a frequency in the unit period with which the concentration of phenol of the user exceeds the upper limit of the normal range is determined to have an increasing tendency based on the biological gas information obtained during a pregnancy period of the user, the information related to stress of the user is output to an information terminal of the user.

Abstract: An arousal level determination device, which determines an arousal level of a driver driving a vehicle, includes a detection part and a determination part. The detection part is configured to detect an amount of body movement indicating a magnitude of movement of a body of the driver. The determination part is configured to determine the arousal level of the driver. The determination part determines that the driver is in an initial stage of decline in the arousal level when the amount of body movement has a decreasing trend.

Abstract: This voiding data display device (100) includes a voiding data display controller (5a) configured or programmed to display voiding data including a voiding date and time and a voided volume, a time data display controller (5b) configured or programmed to display data on a wake-up time and data on a fall-asleep time, and an analysis result display controller (5c) configured or programmed to display a result of analysis of the voiding data, and the voiding data display device is configured to display the voiding data, the data on the wake-up time, the data on the fall-asleep time, and the result of the analysis of the voiding data on a same window.

Abstract: The invention provides a method and system for navigating a user based on a type of maneuver for correction of a vestibular condition. The method and system collects sensor data regarding orientation of head and body of a person for creating a three-dimensional model of the person. The method and system then generates a sequence of steps corresponding to the type of maneuver along with an instruction set and a time duration for performing each step of the sequence of steps, thus enabling the user to perform each step of the sequence of steps corresponding to the type of maneuver, on the person for correcting the vestibular condition.

Abstract: Cognitive function evaluation device includes: storing unit storing reference data on the relationship between the periodicity of a body movement of a person walking and the cognitive function level of the person; acquiring unit that acquires body movement data on the detected body movement from body movement sensor that detects the body movement of subject walking; and calculating unit that calculates the periodicity of the body movement while walking from the acquired body movement data and checks the calculated periodicity against reference data stored in storing unit so as to identify the cognitive function level corresponding to the calculated periodicity.

Abstract: A method for evaluating a gastrointestinal tract of a subject may comprise using a sensor located in the subject to obtain data regarding qualities of a tissue of the gastrointestinal tract; using the obtained data, determining a measure of perfusion of blood in the tissue; using the obtained data, determining a measure of thickness of the tissue; using the measure of perfusion and the measure of thickness, determining a measure of inflammation of the tissue; and using one or more of the measure of perfusion, the measure of thickness, and the measure of inflammation, classifying a state of the tissue.