Biometric Brainwave Entrainment Using Multimodal Rhythmic Stimuli

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Solution Overview

Problem

Existing methods fail to effectively synchronize brainwave frequencies and circadian rhythms with external stimuli, leading to desynchronization and associated adverse mental and metabolic conditions such as sleep disorders, stress, and anxiety.

Innovation Solution

A system that includes sensors to detect biometric markers, a controller to analyze these markers, and emitters to apply light, sound, and tactile stimuli to entrain brainwave frequencies and circadian rhythms, using ipRGCs to stimulate neuroendocrine regulation and synchronization.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If external stimuli are applied to synchronize brainwave frequencies and circadian rhythms, then sleep quality and cognitive ability are enhanced, but device complexity increases due to multiple sensors and emitters required

Engineering Contradiction:

Improvesynchronization of brainwave frequencies and circadian rhythmsVSAvoidsystem structure with multiple sensors and emitters

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The system is divided into separate functional modules: sensors for detecting biometric markers, a controller for analyzing data and determining brain states, and emitters for applying stimuli. This segmentation allows each component to be optimized independently while working together to achieve circadian rhythm synchronization and brainwave entrainment.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The system integrates multiple functions into a single platform: biometric monitoring, brain state determination, stimulus generation, and circadian rhythm regulation. The controller serves as a universal processing unit that coordinates all components, reducing overall system complexity despite the multiple functions performed.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Reliability

If multiple types of stimuli (light, sound, tactile) are applied to entrain brainwaves, then effectiveness of cognitive state adjustment is improved, but energy consumption increases

Engineering Contradiction:

Improveeffectiveness of brainwave entrainmentVSAvoidenergy consumption of emitters

Core Design Contradiction:

ReliabilityVSUse of energy by moving object

Solution Approach 1:

The emitters apply stimuli in periodic cycles rather than continuously, synchronized with the detected brainwave frequencies and circadian rhythms. This periodic action maintains entrainment effectiveness while significantly reducing energy consumption compared to continuous stimulation.

Inventive Principle:

Principle #19Periodic action

Solution Approach 2:

The system dynamically adjusts the type, intensity, and timing of stimuli based on real-time biometric feedback. The controller modulates emitter output according to detected brain states, applying energy only when and where needed to maintain synchronization, thereby optimizing energy efficiency.

Inventive Principle:

Principle #15Dynamics

3Measurement precision

If biometric markers are continuously monitored to determine brain state, then precision of cognitive state detection is improved, but loss of time for data processing increases

Engineering Contradiction:

Improveaccuracy of brain state determinationVSAvoiddata processing time

Core Design Contradiction:

Measurement precisionVSLoss of time

Solution Approach 1:

The system continuously collects and pre-processes biometric marker data in the background, preparing it for rapid analysis when brain state determination is needed. This preliminary data preparation reduces the actual processing time required for accurate brain state detection.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The system implements real-time feedback loops where biometric data is continuously monitored, analyzed, and used to adjust stimuli application. This closed-loop feedback enables rapid iterative processing, maintaining high measurement precision while minimizing time loss through efficient data utilization.

Inventive Principle:

Principle #23Feedback

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enhances sleep quality, mood, and cognitive ability by synchronizing brainwave states and circadian rhythms, improving melatonin secretion and reducing stress and anxiety.

Implementation Method 1

The melanopsin of the ipRGCs is able to isomerize all-trans-retinal into 11-cis-retinal without requiring additional cell types when stimulated with light

Methodology Applied

Scientific EffectMelanopsin photoisomerization: Photochromism

Implementation Method 2

As described below, entrainment may refer to the capacity of the brain to naturally synchronize its brainwave frequencies with the rhythm of periodic external stimuli

Methodology Applied

Scientific EffectBrainwave entrainment: Resonance

Data Source

PatentUS12478760B2Systems and methods for user entrainment

Publication Date: 2025.11.25 INTO TECH INC

AI summary

A system for altering the brain state of a user is disclosed. The system may receive, from at least one sensor, data associated with one or more biometric markers of the user, and determine a brain state of the user based on the data associated with the one or more biometric markers of the user. The system may determine a desired altered cognitive/emotional state of the user (or a desired brainwave state), and cause one or more emitters to apply a stimulus or stimuli to the user.