A head set (2) comprises a brain electrical activity (EEG) sensing device (3) comprising EEG sensors (22) configured to be mounted on a head of a wearer so as to position the EEG sensors (22) at selected positions of interest over the wearers scalp, the EEG sensing device comprising a sensor support (4) and a flexible circuit (6) assembled to the sensor support. The sensor support and flexible circuit comprise a central stem (4a, 6a) configured to extend along a center plane of the top of the head in a direction from a nose to a centre of the back of a wearers head, a front lateral branch (4b, 6b) configured to extend across a front portion of a wearer's head extending laterally from the central stem, a center lateral branch (4c, 6c) configured to extend across a top portion of a wearer's head essentially between the wearer's ears, and a rear lateral branch (4d, 6d) configured to extend across a back portion of a wearer's head. The sensor support (4) comprises a base wall (401) and side walls (402) extending along edges of the base wall to form an essentially flat U shaped channel (403) in which the flexible circuit (6) is inserted and the base wall comprise EEG sensor orifices (404) to allow access to the EEG sensor contacts or electrodes on the flexible circuit.

Aspects of the present disclosure provide a wearable audio product for obtaining biologically-relevant information associated with a user comprising. The audio product comprises a first electrode placed over the user's auditory cortex on a first side of the user's body, a second electrode placed on the first side of the user's body, a first reference electrode placed on the first side of the user's body, a processor coupled to the first, second, and first reference electrode, the processor configured to take one or more actions based on signals received from the first, second, and first reference electrodes, and an electroacoustic transducer coupled to the processor. Any or all of the electrodes described herein may include any integer number of electrodes clustered in the specified location.

The present invention provides reagents and methods for modulating cone photoreceptor activity, and devices for assessment of cone photoreceptor activity.

A wearable computing device with bio-signal sensors and a feedback module provides an interactive mediated reality (VR) environment for a user. The bio-signal sensors receive bio-signal data (for example, brainwaves) from the user and include bio-signal sensors embedded in a display isolator, having a deformable surface, and having an electrode extendable to contact the user's skin. The wearable computing device further includes a processor to: present content in the VR environment via the feedback module; receive bio-signal data of the user from the bio-signal sensor; process the bio-signal data to determine user states of the user, including brain states, using a user profile; modify a parameter of the content in the VR environment in response to the user states of the user. The user receives feedback indicating the modification of the content via the feedback module.

An information processing method is executed by a computer having a control unit, wherein the control unit executes: acquiring a plurality of biological signals; detecting for each predetermined time unit a peak part of the respective biological signals; attaching identical identification information to one or a plurality of peak parts forming an identical peak when attaching peak identification information to each of the biological signals; and extracting a combination of corresponding peaks from at least two biological signals on the basis of the identification information of each time unit of the at least two biological signals.

A method for providing electrical stimulation to a user as a user performs a set of tasks during a time window, the method comprising: providing an electrical stimulation treatment, characterized by a stimulation parameter and a set of portions, to a brain region of the user in association with the time window; for each task of the set of tasks: receiving a signal stream characterizing a neurological state of the user; from the signal stream, identifying a neurological signature characterizing the neurological state associated with the task; and modulating the electrical stimulation treatment provided to the brain region of the user based upon the neurological signature, wherein modulating comprises delivering a portion of the set of portions of the electrical stimulation treatment to the brain region of the user, while maintaining an aggregate amount of the stimulation parameter of the treatment provided during the time window below a maximum limit.

This disclosure relates generally to head movement noise removal from electrooculography (EOG) signals, and more particularly to systems and methods for wavelet based head movement artifact removal from electrooculography (EOG) signals. Embodiments of the present disclosure provide for head movement noise removal from the EOG signals by acquiring EOG signals of a user, filtering the acquired EOG signals to obtain a first set of filtered EOG signals, smoothening the first set of filtered EOG signals to obtain smoothened EOG signals, removing one or more redundant patterns and one or more direct current (DC) drifts from the smoothened EOG signals to obtain a second set of filtered EOG signals, and applying, a discrete wavelet transform on the second set of filtered EOG signals to filter a plurality of head movement noise from the second set of filtered EOG signals of the user.

A method for monitoring an eye position, comprises: capturing (202) a sequence of digital images of an eye; acquiring (204) a sequence of biosignal data representing eye movements; determining (206) a set of reference eye positions based on the sequence of digital images; and determining (208) a set of intermediate eye positions based on said set of reference eye positions and said sequence of biosignal data, said set of intermediate eye positions representing eye positions relative to said set of reference eye positions, wherein the set of intermediate eye positions represents eye positions between consecutive pairs of images of said sequence of digital images.

Systems and methods for managing sleep quality of a patient, comprising: collecting physiological signal data of the patient using a data acquisition unit electrically coupled to at least one sensor affixed to the patient that generates the physiologic signal data; using one or more hardware processors executing instructions stored in a storage device: filtering the physiological signal data into a plurality of frequency bands corresponding to a plurality of power spectra waveforms; and characterizing an etiology of sleep quality of the patient based on a comparison of at least a first power spectra waveform of the plurality of power spectra waveforms against at least a second power spectra waveform of the plurality of power spectra waveforms, wherein the sleep quality of the patient is managed based on the characterized etiology of sleep.

Example methods, apparatus, systems and machine readable media are disclosed herein for selecting advertisement or entertainment location based on neuro-response data. An example method includes analyzing first neuro-response data from a first subject exposed to source material. The example method also includes identifying a candidate location in the source material for introduction of an advertisement or entertainment based on the first neuro-response data. In addition, the example method includes analyzing second neuro-response data from at least one of the first subject and a second subject exposed to a combination of the source material and the advertisement or entertainment inserted in the candidate location. The example also includes determining an effectiveness of the advertisement or entertainment based on the second neuro-response data.