A brainwave auscultation method includes steps: providing a brainwave auscultation device; placing a brainwave pickup unit of the brainwave auscultation device on the head of a testee to acquire a primitive brainwave signal of the testee, and transmitting the primitive brainwave signal to a signal processing unit; the signal processing unit filtering the primitive brainwave signal according to a waveband reservation standard to generate a preparatory signal, wherein wavebands reserved by the waveband reservation standard include a ? waveband, a ? waveband, an ? waveband, a ? waveband, and a ? waveband; the signal processing unit shifting a central frequency of the preparatory signal to an audible range of human ears; the signal processing unit performing spread-spectrum operation to the shifted preparatory signal to generate a pre-vocalization signal whose frequencies range from 20 Hz to 20 kHz; and making a loudspeaker generate sounds based on the pre-vocalization signal.

Techniques (methods and devices) for neural stimulation through audio with dynamic modulation characteristics are disclosed. The techniques include receiving a mapping of sensor-input values and modulation-characteristic values, wherein each sensor-input value corresponds to a respective modulation-characteristic value; receiving an audio element from an audio source, wherein the audio element comprises at least one audio parameter; identifying an audio-parameter value of the audio parameter; receiving a sensor-input value from a sensor; determining a sensor-input value based on the sensor-input value; selecting from the mapping of sensor-input values and modulation-characteristic values, a modulation-characteristic value that corresponds to the sensor-input value; generating an audio output based on the audio-parameter value and the modulation-characteristic value; and playing the audio output.

Disclosed herein are systems and methods for providing feeding reinforcement in real-time or near real-time based on physiological sensor data acquired during feeding. In some examples, music reinforcement is rendered when one or more feeding features indicative of one or more feeding behaviors are detected using the physiological sensor data. When at least one feature is not detected, the music reinforcement is stopped. In this way, contingent reinforcement is provided in real-time or near real-time based on detection of the one or more feeding behaviors to encourage and improve independent feeding behavior.

Communication of parent physiological data to an infant may include a first interface device which includes a sensor to record physiological data associated with a heartbeat of a parent, a processor to receive the physiological data from the sensor, and a transceiver; a server which receives the physiological data from the transceiver, accesses an instance of the physiological data from a replay storage location during a loss of communication, assigns a unique identifier, processes the physiological data, modifies the physiological data to be within an allowable threshold or accesses physiological data within the allowable threshold when the physiological data is outside an allowable threshold, filters the physiological data to apply an effect, and transmits the physiological data based on the unique identifier; and a second interface device which includes a transceiver to receive the physiological data and a communication element to communicate the physiological data to the infant.

A method and a device for detecting physiological indexes. The method includes: obtaining a body temperature fluctuation value associated with a user, where the body temperature fluctuation value is at least obtained by a first difference value between a current shell temperature associated with the user and a basal temperature associated with the user (101); and determining a current physiological index associated with the user based on the body temperature fluctuation value associated with the user (102). The method can be applicable in a detection process for physiological indexes and can perform health-related operations based on the detected physiological indexes including a body temperature measuring result.

System and method for determining the position and orientation (P&O) of a tool-tip relative to an eye tissue of interest. The system includes and imaging and tracking module coupled with a processor. The imaging and tracking module at least includes an imager. The imager acquires at least one image of at least one tissue-reference-marker. The imaging and tracking module further determines information relating to the P&O of the tool. The processor determines the P&O of the tissue-reference-marker according to the acquired image of the tissue-reference-marker. The processor determines the P&O of the eye tissue of interest, according to the P&O of the tissue-reference-marker, and a predetermined relative P&O between the tissue-reference-marker and the eye tissue of interest. The processor also determines the P&O of a tool-tip according to a tool-marker and determines the relative P&O between the tool-tip and the eye tissue of interest.

An image of a pinna is captured. Based on the image of the pinna, a non-linear transfer function is determined which characterizes how sound is transformed at the pinna. A signal is output indicative of one or more audio cues to facilitate spatial localization of sound via the pinna, where the one or more audio cues is based on the non-linear transfer function.

A method for identifying a ureter during a medical procedure, the method comprising: providing an electrical stimulator comprising: a shaft having at least one electrode; and a power supply connected to the at least one electrode for providing an electrical signal to the at least one electrode; advancing the shaft so that the at least one electrode contacts tissue; operating the power supply so that the electrical signal is applied to the tissue; and visually observing the tissue to determine the presence of a ureter in the tissue.

A system is provided for assessing heard injury criterion (HIC) by analyzing signals received from sensors of a sensor array to calculate an impact force on an impact area, determine the linear acceleration based on the impact force and mass of the wearer's head. HIC values are calculated within a variable duration sliding window across a time period within which an impact occurs based on the integral of linear acceleration for the time period of the window, to determine a maximal HIC which is converted to a biofeedback signal.

An electronic system and an audio processing method are provided. The electronic system includes a physiological signal sensor, a processing circuit, an audio processing circuit and an audio output device. The physiological signal sensor is utilized for measuring a physiological signal of a user. The processing circuit is utilized for determining an audio setting according to the physiological signal. The audio processing circuit is utilized for receiving an audio signal and adjusting the audio signal according to the audio setting so as to generate an audio output signal. The audio output circuit is utilized for playing the audio output signal.