Systems, devices, methods, and kits for monitoring one or more physiologic and/or physical signals from a subject are disclosed. A system including a head mounted display to monitor one or more physiologic signals from the face or head of the subject is disclosed. A method for analyzing an ocular parameter of the subject to determine a sympathetic and a parasympathetic outflow thereto is disclosed.

An apparatus, system, and method are disclosed for mapping the location of a nerve. The apparatus includes at least one stimulation module, a stimulation detection module, a distance module, and a mapping module. The stimulation module stimulates a nerve with an electrical stimulation current from at least one stimulation electrode. A stimulation detection module detects a muscle reaction resulting from stimulation of the nerve by the at least one stimulation electrode. The distance module uses information from the at least one stimulation electrode and from the stimulation detection module to calculate a distance between the at least one stimulation electrode and the nerve. The mapping module maps a location on the nerve using at least two distances calculated by the distance module and position information of the at least one stimulation electrode for each of the at least two distances calculated.

An apparatus for non-invasively estimating blood pressure is provided. According to one embodiment, the apparatus for estimating blood pressure may include a bio-signal sensor configured to measure a bio-signal from a user and a processor configured to extract a feature from the bio-signal at an extraction time, acquire an offset based on a relative change value of the feature extracted at the extraction time, relative to a reference value of the feature obtained a time of calibration, and estimate blood pressure based on the relative change value of the extracted feature and the acquired offset.

An apparatus for non-invasively estimating blood pressure is provided. According to one embodiment, the apparatus for estimating blood pressure may include a bio-signal sensor configured to measure a bio-signal from a user and a processor configured to extract a feature from the bio-signal at an extraction time, acquire an offset based on a relative change value of the feature extracted at the extraction time, relative to a reference value of the feature obtained a time of calibration, and estimate blood pressure based on the relative change value of the extracted feature and the acquired offset.

A method for measuring spasticity is provided and includes: obtaining sensing signals corresponding to a limb movement through at least one sensor during a period of time; transforming the sensing signals into a two-dimensional image; and inputting the two-dimensional image into a convolutional neural network to output a spasticity determination result.

A method for measuring spasticity is provided and includes: obtaining sensing signals corresponding to a limb movement through at least one sensor during a period of time; transforming the sensing signals into a two-dimensional image; and inputting the two-dimensional image into a convolutional neural network to output a spasticity determination result.

This invention provides innovative designs for wearable devices for the wrist and/or arm which include multiple displays and/or multi-configuration displays. This provides larger overall display size for better human-to-computer interaction, while being relatively comfortable and attractive. Designs with multi-configuration displays enable transition to larger overall display configurations when needed for human-to-computer interaction and more compact display configurations when not in use for such interaction.

This invention provides innovative designs for wearable devices for the wrist and/or arm which include multiple displays and/or multi-configuration displays. This provides larger overall display size for better human-to-computer interaction, while being relatively comfortable and attractive. Designs with multi-configuration displays enable transition to larger overall display configurations when needed for human-to-computer interaction and more compact display configurations when not in use for such interaction.

A device for functional electrical stimulation (FES), neuromuscular electrical stimulation (NMES), and/or electromyography (EMG) readout includes a sleeve sized and shaped to be worn on a human arm and comprising an inner sleeve and an outer sleeve. The inner sleeve has openings formed therein, and has an exposed side positioned to contact skin and an opposite backside facing the outer sleeve. Electrode strips each comprise a linear circuit board on which a row of electrodes is mounted. The electrode strips are detachably and selectively mountable to the inner sleeve in a plurality of different orientations. The electrode strips are mountable on the inner sleeve with the linear circuit boards disposed on the backside of the inner sleeve between the inner sleeve and the outer sleeve and the electrodes passing through the openings of the inner sleeve so as to be positioned to contact skin.

A device for functional electrical stimulation (FES), neuromuscular electrical stimulation (NMES), and/or electromyography (EMG) readout includes a sleeve sized and shaped to be worn on a human arm and comprising an inner sleeve and an outer sleeve. The inner sleeve has openings formed therein, and has an exposed side positioned to contact skin and an opposite backside facing the outer sleeve. Electrode strips each comprise a linear circuit board on which a row of electrodes is mounted. The electrode strips are detachably and selectively mountable to the inner sleeve in a plurality of different orientations. The electrode strips are mountable on the inner sleeve with the linear circuit boards disposed on the backside of the inner sleeve between the inner sleeve and the outer sleeve and the electrodes passing through the openings of the inner sleeve so as to be positioned to contact skin.