Abstract: The present disclosure pertains to a system for delivering sensory stimulation to a subject, the system comprising: sensors configured to generate output signals indicating physiological parameters of a subject; a sensory stimulator configured to deliver sensory stimulation to the subject; and processors configured to: determine one or more physiological parameters of the subject; determine a target physiological parameter based on the determined one or more physiological parameters; determine one or more stimulation parameters of sensory stimulation to be delivered to the subject based on the target physiological parameter and the determined one or more physiological parameters; and cause the sensory stimulator to deliver the sensory stimulation to the subject based on the determined one or more stimulation parameters.

Abstract: The present disclosure pertains to systems and methods for encoding and/or decoding brain activity signals for data reduction. In a non-limiting embodiment, first user data associated with a first sleep session of a user is received. The first user data is determined to include at least a first instance of a first sleep feature being of a first data size. A first value representing the first instance during a first temporal interval is determined. First encoding data representing the first value is determine, the first encoding data being of a second data size that is less than the first data size. Second user data is generated by encoding the first user data using the first encoding data to represent the first instance in the second user data, and the second user data is stored.

Abstract: A system for delivering sensory stimulation comprises a sensor configured to measure brain activity information of a patient during a sleep session; a sensory stimulator configured to deliver sensory simulation to the patient during the sleep session; and a computer system. One or more physical processors are programmed with computer program instructions which, when executed cause the computer system to: determine a first stimulation profile, a second stimulation profile, or a combination stimulation profile thereof based on obtained sleep cycle information and/or obtained cognitive domain information; and provide input to the sensory stimulator based on the determined stimulation profile, the provided input causing the sensory stimulator to deliver the sensory simulations to the patient based on the determined stimulation profile during the detected slow wave sleep in the patient.

Abstract: Typically, high NREM stage N3 sleep detection accuracy is achieved using a frontal electrode referenced to an electrode at a distant location on the head (e.g., the mastoid, or the earlobe). For comfort and design considerations it is more convenient to have active and reference electrodes closely positioned on the frontal region of the head. This configuration, however, significantly attenuates the signal, which degrades sleep stage detection (e.g., N3) performance. The present disclosure describes a deep neural network (DNN) based solution developed to detect sleep using frontal electrodes only. N3 detection is enhanced through post-processing of the soft DNN outputs. Detection of slow-waves and sleep micro-arousals is accomplished using frequency domain thresholds. Volume modulation uses a high-frequency/low-frequency spectral ratio extracted from the frontal signal.

Abstract: The present disclosure pertains to shortening sleep latency during the wake to sleep transition. Sensory stimulation is delivered to a subject by sensory stimulators during a sleep session, and a measure of wakefulness of the subject is determined. The sensory stimulators are controlled based on the measure of wakefulness of the subject. The sensory stimulators may be controlled to modulate an intensity of the sensory stimulation delivered to the subject. For example, the sensory stimulators may decrease the intensity of the sensory stimulation as the measure of wakefulness decreases. The system then determines that the measure of wakefulness has reached stable sleep. The sensory stimulators are controlled based on the determination that the measure of wakefulness has reached stable sleep. The sensory stimulators may decrease the intensity of the sensory stimulation at a faster rate once the measure of wakefulness reaches stable sleep.

Abstract: The present disclosure pertains to systems and methods for delivering sensory stimulation to a subject for facilitating sleep onset. The system comprises one or more sensors for generating output signals indicating one or more physiological parameters of a subject; a sensory stimulator for delivering sensory stimulation to the subject; and one or more physical processors configured to: determine an initial state of the subject based on the output signals from the sensor, the initial state corresponding to at least one physiological parameter of the subject; determine one or more stimulation parameters of sensory stimulation to be delivered to the subject by the sensory stimulator based on the initial state of the subject; and cause the sensory stimulator to deliver the sensory stimulation to the subject based on the determined one or more stimulation parameters.

Abstract: The present disclosure pertains to a system for delivering sensory stimulation to a subject, the system comprising: sensors configured to generate output signals indicating physiological parameters of a subject; a sensory stimulator configured to deliver sensory stimulation to the subject; and processors configured to: determine one or more physiological parameters of the subject; determine a target physiological parameter based on the on the determined one or more physiological parameters; determine one or more stimulation parameters of sensory stimulation to be delivered to the subject based on the target physiological parameter and the determined one or more physiological parameters; and cause the sensory stimulator to deliver the sensory stimulation to the subject based on the determined one or more stimulation parameters.

Abstract: The present disclosure pertains to shortening sleep latency during the wake to sleep transition. Sensory stimulation is delivered to a subject by sensory stimulators during a sleep session, and a measure of wakefulness of the subject is determined. The sensory stimulators are controlled based on the measure of wakefulness of the subject. The sensory stimulators may be controlled to modulate an intensity of the sensory stimulation delivered to the subject. For example, the sensory stimulators may decrease the intensity of the sensory stimulation as the measure of wakefulness decreases. The system then determines that the measure of wakefulness has reached stable sleep. The sensory stimulators are controlled based on the determination that the measure of wakefulness has reached stable sleep. The sensory stimulators may decrease the intensity of the sensory stimulation at a faster rate once the measure of wakefulness reaches stable sleep.

Abstract: An apparatus used in a method for generating an ear electroencephalogram (EEG) signal from an ear of a patient includes: a housing; a first electrode provided on a first portion of the housing received within an ear canal of the ear, such that the first electrode is disposed against a first surface of the ear canal to generate a first ear canal signal; a second electrode provided on a second portion of the housing structured to be received within a concha of the ear when the first portion is received within the ear canal, such that the second electrode is disposed against a surface of concha to generate a concha signal; and electronic circuitry provided within the housing, the electronic circuitry being structured and configured to generate a first in ear signal after receiving the first ear canal signal and the concha signal.

Abstract: An offset window mount fan includes two or more independently controlled fans controllable to move air in the same direction or in opposite directions. A housing substantially offsets the fans from a direct passage of air into the room. In one embodiment, the fans are mounted in a housing perpendicular to the window, air traveling through the fans turning 90 degrees to pass through the plane of the window and 90 degrees down into the room. Each fan includes a temperature sensor to measure temperature of air moving through each fan. The fans are energized periodically for a short time period to make accurate temperature measurements. When the combined temperature measurements indicate an advantage from fan operation, the fans are activated.

Abstract: A wall mount (for example, a window mount) dual fan includes two independently controlled fans controllable to move air in the same direction or in opposite directions. Each fan includes a temperature sensor to measure temperature of air moving through each fan. The fans are energized periodically for a short time period to make accurate temperature measurements. When the combined temperature measurements indicate an advantage from fan operation, the fans are activated.

Abstract: Typically, high NREM stage N3 sleep detection accuracy is achieved using a frontal electrode referenced to an electrode at a distant location on the head (e.g., the mastoid, or the earlobe). For comfort and design considerations it is more convenient to have active and reference electrodes closely positioned on the frontal region of the head. This configuration, however, significantly attenuates the signal, which degrades sleep stage detection (e.g., N3) performance. The present disclosure describes a deep neural network (DNN) based solution developed to detect sleep using frontal electrodes only. N3 detection is enhanced through post-processing of the soft DNN outputs. Detection of slow-waves and sleep micro-arousals is accomplished using frequency domain thresholds. Volume modulation uses a high-frequency/low-frequency spectral ratio extracted from the frontal signal.

Abstract: A system for delivering sensory stimulation comprises a sensor configured to measure brain activity information of a patient during a sleep session; a sensory stimulator configured to deliver sensory simulation to the patient during the sleep session; and a computer system. One or more physical processors are programmed with computer program instructions which, when executed cause the computer system to: determine a first stimulation profile, a second stimulation profile, or a combination stimulation profile thereof based on obtained sleep cycle information and/or obtained cognitive domain information; and provide input to the sensory stimulator based on the determined stimulation profile, the provided input causing the sensory stimulator to deliver the sensory simulations to the patient based on the determined stimulation profile during the detected slow wave sleep in the patient.

Abstract: A shock-absorbing tongue assembly for coupling a rotary cutter with a work vehicle includes a coupler configured to couple to the work vehicle, and a linkage mechanism having a proximal end at the rotary cutter and a distal end at the coupler. The linkage mechanism includes a suspension element configured to dampen energy transferred between the rotary cutter and the work vehicle, a primary linkage mechanism extending from the rotary cutter, and a secondary linkage mechanism extending between the primary linkage mechanism and the coupler. The secondary linkage mechanism is configured to rotate about the primary linkage mechanism while maintaining the coupler in a level condition.

Abstract: The present disclosure pertains to systems and methods for encoding and/or decoding brain activity signals for data reduction. In a non-limiting embodiment, first user data associated with a first sleep session of a user is received. The first user data is determined to include at least a first instance of a first sleep feature being of a first data size. A first value representing the first instance during a first temporal interval is determined. First encoding data representing the first value is determine, the first encoding data being of a second data size that is less than the first data size. Second user data is generated by encoding the first user data using the first encoding data to represent the first instance in the second user data, and the second user data is stored.

Abstract: An offset window mount fan includes two or more independently controlled fans controllable to move air in the same direction or in opposite directions. A housing substantially offsets the fans from a direct passage of air into the room. In one embodiment, the fans are mounted in a housing perpendicular to the window, air traveling through the fans turning 90 degrees to pass through the plane of the window and 90 degrees down into the room. Each fan includes a temperature sensor to measure temperature of air moving through each fan. The fans are energized periodically for a short time period to make accurate temperature measurements. When the combined temperature measurements indicate an advantage from fan operation, the fans are activated.

Abstract: A wall mount (for example, a window mount) dual fan includes two independently controlled fans controllable to move air in the same direction or in opposite directions. Each fan includes a temperature sensor to measure temperature of air moving through each fan. The fans are energized periodically for a short time period to make accurate temperature measurements. When the combined temperature measurements indicate an advantage from fan operation, the fans are activated.

Abstract: An offset window mount fan unit includes two or more independently controlled fans controllable to move air in the same direction or in opposite directions. A housing substantially offsets the fans from a direct passage of air into the room. In one embodiment, the fans are mounted in a housing perpendicular to the window, air traveling through the fans turning 90 degrees to pass through the plane of the window and 90 degrees down into the room. Each fan includes a temperature sensor to measure temperature of air moving through each fan. The fans are energized periodically for a short time period to make accurate temperature measurements. When the combined temperature measurements indicate an advantage from fan operation, the fans are activated. An evaporative cooling section may be attached to an outside portion of the unit to provide additional cooling.

Abstract: A shock-absorbing tongue assembly for coupling a rotary cutter with a work vehicle includes a coupler configured to couple to the work vehicle, and a linkage mechanism having a proximal end at the rotary cutter and a distal end at the coupler. The linkage mechanism includes a suspension element configured to dampen energy transferred between the rotary cutter and the work vehicle, a primary linkage mechanism extending from the rotary cutter, and a secondary linkage mechanism extending between the primary linkage mechanism and the coupler. The secondary linkage mechanism is configured to rotate about the primary linkage mechanism while maintaining the coupler in a level condition.

Abstract: The invention relates to method for transferring under pressure a fluid extracted from the deposit by means of a sampling vessel (5) wherein the fluid sample is maintained at the reservoir pressure or extraction pressure, as well as to the method for determining at least one thermodynamic characteristic of this fluid, particularly a method for determining phase transition envelops. The invention also refers to a method combining the implementation of the scanning thansitiometry with spectroscopic or analytical techniques, eventually in the presence of a fluid in a supercritical state. The invention similarly refers to a device for implementation of the above-referred methods.