An organ evaluation device, system, or method is configured to receive electrophysiological data from a patient or model organism and integrates the data in a computational backend environment with anatomical data input from an external source, spanning a plurality of file formats, where the input parameters are combined to visualize and output current density and/or current flow activity having ampere-based units displayed in the spatial context of heart or other organ anatomy.

A magnetism measuring apparatus includes: a sensor array configured to detect magnetic fields generated by a living body; a current source reconfiguration unit configured to reconstruct a current source of a current flowing inside of the living body based on a magnetic field signal obtained from the sensor array. The sensor array includes first sensors configured to detect magnetic field components of many directions and second sensors configured to detect magnetic field components of directions fewer than those of the first sensors.

A biomagnetism measuring device includes a magnetic sensor and a support unit. The magnetic sensor includes a tunnel magneto-resistive element including a fixed magnetic layer, a free magnetic layer and an insulating layer. The insulating layer is disposed between the fixed magnetic layer and the free magnetic layer, and has resistance being changed by a tunnel effect depending on an angle difference between a direction of magnetization of the fixed magnetic layer and a direction of magnetization of the free magnetic layer. The support unit supports the magnetic sensor in such a way that the tunnel magneto-resistive element faces a living body. The magnetic sensor outputs an output signal in accordance with a resistance value of the insulating layer, the resistance value being changed by magnetism emitted from the living body.

The present invention provides a brain function measuring apparatus that includes a magnetic generator that is arranged at a deep portion of the brain of a subject and generates a magnetic field; and a magnetic sensor that is arranged at the scalp of the brain, and senses the magnetic field generated by the magnetic generator, wherein the magnetic sensor senses the magnetic field passed through the brain after being generated by the magnetic generator and relates to a brain activity of the subject.

A computer-implemented method for performing a functional assessment of a network is disclosed. The network includes a plurality of interacting network elements. The method includes measuring a state of each of the elements at a plurality of time instances, thereby determining a plurality of state values associated with each of the elements, and calculating for each element an associated median value representing a median of the state values associated with that element. The method further includes identifying for each time instance a first total number of elements with an associated state value at that time instance that is above its median value, and a second total number of elements with an associated state value at that time instance that is below its median value, and determining whether the network has departed from an equilibrium state based on the first total number and the second total number for each time instance.

There is described a neuroimaging apparatus in which a plurality of sensing devices, e.g. SQUIDs, are accommodated in a temperature-controlled chamber e.g. a dewar, has a detachable headset including a plurality of pick-up devices. The pick-up devices are arranged in the detachable headset to conform to a body part of a measurement subject. A plurality of different detachable headsets can have pick-up devices arranged for use with different body parts.

A system for detecting bioelectrical signals of a user comprising: a set of sensors configured to detect bioelectrical signals from the user, each sensor in the set of sensors configured to provide non-polarizable contact at the body of the user; an electronics subsystem comprising a power module configured to distribute power to the system and a signal processing module configured to receive signals from the set of sensors; a set of sensor interfaces coupling the set of sensors to the electronics subsystem and configured to facilitate noise isolation within the system; and a housing coupled to the electronics subsystem, wherein the housing facilitates coupling of the system to a head region of the user.

A system and method for a wearable field sensing device for biological electromagnetic (EM) field measurement including: a wearable structure; a biological sensor array, on or within the wearable structure, such that each biological sensor is situated adjacent to the body of the user, and wherein each biological sensor includes at least one ferromagnetic resonance (FMR) sensor; a power system, providing the power for the system; and control circuitry, electrically coupled to the system. The FMR sensor comprises an acoustically driven ferromagnetic resonance (ADFMR) sensor. The system may additionally include sensor shielding and an ambient sensor array to detect a block external fields.

A system and method for a wearable field sensing device for biological electromagnetic (EM) field measurement including: a wearable structure; a biological sensor array, on or within the wearable structure, such that each biological sensor is situated adjacent to the body of the user, and wherein each biological sensor includes at least one ferromagnetic resonance (FMR) sensor; a power system, providing the power for the system; and control circuitry, electrically coupled to the system. The FMR sensor comprises an acoustically driven ferromagnetic resonance (ADFMR) sensor. The system may additionally include sensor shielding and an ambient sensor array to detect a block external fields.

A device for detecting spatial differences in fluid level changes in a tissue of a patient may include a support structure for securing the device to a body part of the patient, a processing element operably connected to the support structure, a wireless networking interface operably connected to the support structure and in communication with the processing element and an external computing device via a network, a first transmission module operably connected to the support structure and in communication with the processing element, a second transmission module and a third transmission module operably connected to the support structure and in communication with the processing element. When activated, the first transmission module transmits a first time varying magnetic field through the tissue of the patient. The second and third transmission modules, which are spatially separated from one another, receive first and second versions, respectively, of the first time varying magnetic field.