In some embodiments, there is provided an apparatus including a common bus and a plurality of oscillatrode circuits coupled to the common bus, the plurality of oscillatrode circuits including a first oscillatrode circuit outputting a first frequency tone when a first input voltage is detected by the first oscillatrode circuit and a second oscillatrode circuit outputting a second frequency tone when a second input voltage is detected by the second oscillatrode circuit, wherein common bus carries the first frequency tone and the second frequency tone at different frequencies in a frequency division multiplex signal. Related systems, methods, and articles of manufacture are also disclosed.

An information processing circuit and an information processing method. The information processing circuit includes: a signal acquisition circuit and a signal processing circuit, the signal acquisition circuit is configured to acquire a plurality of initial neural signals that are different, the signal processing circuit includes a plurality of memristors and is configured to process the plurality of initial neural signals through the plurality of memristors, and the plurality of memristors includes a plurality of first memristors, the plurality of first memristors are arranged in an array to obtain a preprocessing array, the preprocessing array is configured to extract features of the plurality of initial neural signals to obtain a plurality of feature information.

An information processing circuit and an information processing method. The information processing circuit includes: a signal acquisition circuit and a signal processing circuit, the signal acquisition circuit is configured to acquire a plurality of initial neural signals that are different, the signal processing circuit includes a plurality of memristors and is configured to process the plurality of initial neural signals through the plurality of memristors, and the plurality of memristors includes a plurality of first memristors, the plurality of first memristors are arranged in an array to obtain a preprocessing array, the preprocessing array is configured to extract features of the plurality of initial neural signals to obtain a plurality of feature information.

The present invention discloses a real-time evaluation method and evaluation system for group emotion homogeneity. The method comprises the steps as follows: enabling testees to be in the same emotion induction environment, and collecting the original electroencephalograph (EEG) signals of multiple persons at the same time through online multichannel EEG equipment; and based on the average instantaneous phase per second of the beta frequency band and the energy value per second of the alpha frequency band obtained after wavelet transformation, calculating the time synchronization degree and the valence consistency degree in real time, and finally obtaining a group emotion homogeneity index for the objective evaluation of group emotion homogeneity.

The present invention discloses a real-time evaluation method and evaluation system for group emotion homogeneity. The method comprises the steps as follows: enabling testees to be in the same emotion induction environment, and collecting the original electroencephalograph (EEG) signals of multiple persons at the same time through online multichannel EEG equipment; and based on the average instantaneous phase per second of the beta frequency band and the energy value per second of the alpha frequency band obtained after wavelet transformation, calculating the time synchronization degree and the valence consistency degree in real time, and finally obtaining a group emotion homogeneity index for the objective evaluation of group emotion homogeneity.

An input circuitry for receiving electrode signals comprises: a plurality of channels for providing a multiplexed electrode signal input, each channel comprising a multiplexing switch for selecting one channel at a time, and an input transistor configured to be connected to an electrode, wherein the input transistor is configured to receive an electrode signal at a gate; and a reference input transistor, which is configured to be connected to a reference voltage at a gate; wherein an electrode signal received at a selected channel together with the reference voltage form input signals to an instrumentation amplifier; wherein the input circuitry is configured such that the input transistor of the selected channel forms part of a first flipped voltage follower and the reference input transistor forms part of a second flipped voltage follower.

An input circuitry for receiving electrode signals comprises: a plurality of channels for providing a multiplexed electrode signal input, each channel comprising a multiplexing switch for selecting one channel at a time, and an input transistor configured to be connected to an electrode, wherein the input transistor is configured to receive an electrode signal at a gate; and a reference input transistor, which is configured to be connected to a reference voltage at a gate; wherein an electrode signal received at a selected channel together with the reference voltage form input signals to an instrumentation amplifier; wherein the input circuitry is configured such that the input transistor of the selected channel forms part of a first flipped voltage follower and the reference input transistor forms part of a second flipped voltage follower.

A holder apparatus of a bio-signal device comprises a holder, which comprises a pocket for a bio-signal processing device, an extension with a hollow, the hollow and the pocket forming a continuous cavity through the holder, a connector, and an elastic seal with a hole. A shape of the elastic seal is matched with a shape of the hollow of the extension at an interface of the pocket, and the hollow and a shape of the hole is matched with a shape of the connector for sealing an interface between the connector and the holder while the connector and the elastic seal are within the hollow and the connector is in contact with the elastic seal. Sealant filler fills the hollow of the extension and is in physical contact with the connector, which is in the hollow against the seal, the elastic seal and the sealant filler allowing the connector to mate electrically with a counter-connector moved within the cavity in a direction from the pocket toward the hollow.

Systems and methods for monitoring neuroplasticity within at least one region of interest of a brain of a subject are disclosed. The method includes transforming at least one time sequence of signals indicative of neural activity into a summary parameter indicative of plasticity pulses. The method further includes evaluating the summary parameter with respect to one or more threshold values to obtain a determination of neuroplasticity within at least one region of interest of the subject. The method may be used to evaluate the efficacy of a neuroactive therapy, such as a neuroactive medication, a physical therapy, an occupational therapy or a speech therapy. The summary parameter obtained using the disclosed method may be displayed to a subject as a biofeedback during a neurotherapy.

Systems and methods for monitoring neuroplasticity within at least one region of interest of a brain of a subject are disclosed. The method includes transforming at least one time sequence of signals indicative of neural activity into a summary parameter indicative of plasticity pulses. The method further includes evaluating the summary parameter with respect to one or more threshold values to obtain a determination of neuroplasticity within at least one region of interest of the subject. The method may be used to evaluate the efficacy of a neuroactive therapy, such as a neuroactive medication, a physical therapy, an occupational therapy or a speech therapy. The summary parameter obtained using the disclosed method may be displayed to a subject as a biofeedback during a neurotherapy.