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Enhancing deep sleep based on information from frontal brain activity monitoring sensors

A sensor, sleep technology, applied in the direction of sensors, devices that cause sleep or relaxation, hypnosis devices, etc., can solve problems such as discomfort

Pending Publication Date: 2021-11-19
KONINKLJIJKE PHILIPS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These systems typically control sensory stimulation based on information from sensors located behind the user's ears, which can be uncomfortable and / or have other disadvantages

Method used

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  • Enhancing deep sleep based on information from frontal brain activity monitoring sensors
  • Enhancing deep sleep based on information from frontal brain activity monitoring sensors
  • Enhancing deep sleep based on information from frontal brain activity monitoring sensors

Examples

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Embodiment Construction

[0028] As used herein, the singular forms "a", "an" and "the" include plural references unless the context clearly dictates otherwise. As used herein, the term "or" means "and / or" unless the context clearly dictates otherwise. As used herein, the statement that two or more parts or components are "coupled" shall mean that those parts join or operate together, directly or indirectly (i.e., through one or more intermediate parts or components) whenever a link occurs . As used herein, "directly coupled" means that two elements are in direct contact with each other. As used herein, "fixedly coupled" or "fixed" means that two components are coupled so as to move as one while maintaining a constant orientation relative to each other.

[0029] As used herein, the word "unitary" means that a component is created as a single piece or unit. That is, a part consists of parts created separately and then coupled together as a unit, it is not a "monolithic" part or body. As used herein,...

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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.

Description

technical field [0001] The present disclosure relates to a system and method for enhancing non-rapid eye movement (NREM) sleep by delivering sensory stimulation to a subject during sleep periods. Background technique [0002] Systems for monitoring sleep and delivering sensory stimulation to a user during sleep are known. Sleep monitoring and sensory stimulation systems based on electroencephalogram (EEG) sensors are known. These systems typically control sensory stimulation based on information from sensors located behind the user's ears, which can be uncomfortable and / or have other disadvantages. There is a need for a system that is more comfortable and still capable of monitoring sleep and controlling sensory stimulation to enhance the user's sleep. Contents of the invention [0003] It would be advantageous to enhance NREM sleep by utilizing a closed-loop system to automatically deliver sensory stimuli to a subject during sleep sessions based on information from sens...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/369A61B5/374A61B5/38A61B5/398A61B5/00A61B5/375
CPCA61B5/4812A61B5/4836A61B5/6803A61B5/6814A61B5/7267A61B5/7405A61B5/742A61M21/02A61M2230/14A61M2230/10A61M2021/0027A61M2205/502A61M2205/3592A61M2021/0044A61B5/291A61B5/374A61B5/398A61B5/375A61M2230/005A61B5/7275A61B2562/0209A61M2021/0011A61M2021/0055A61M2021/0072A61M2205/50A61B5/316
Inventor G·N·加西亚·默里纳U·格罗斯卡索费S·特拉加诺维斯基J·萨拉扎T·K·佐内瓦S·T·帕斯特A·阿奎诺A·海恩里奇B·S·萨克德夫
Owner KONINKLJIJKE PHILIPS NV
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