Multi-Modal Headset for Non-Invasive Neural Stimulation
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Solution Overview
Problem
Existing non-invasive neural stimulation systems lack integration of multiple modalities, requiring separate devices and controls, which can be cumbersome and inefficient for monitoring and modulating the psychophysiological state of users.
Innovation Solution
A multi-modal sensor and stimulation system integrated into a compact unit, such as headphones, combining sensors and stimulation devices to assess and modulate physiological states using electrical, audio, photic, vibration, and olfactory stimuli, with a centralized controller and external computer for synchronized delivery and optimization of stimulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple separate stimulation devices and monitoring systems are used, then each device can perform its specific function, but the system complexity increases and requires multiple separate controls
Solution Approach 1:
The patent combines multiple stimulation modalities (electrical, visual, audible, vibration, olfactory) and monitoring functions into a single integrated system. The头戴式装置 (head-mounted device) integrates electrodes for electrical stimulation, display elements for visual stimulation, speakers for audible stimulation, vibration motors for tactile feedback, and sensors for physiological monitoring, all controlled by a centralized controller that synchronizes multi-modal stimulation delivery.
Solution Approach 2:
The integrated system performs multiple functions simultaneously: it delivers electrical stimulation through electrodes, visual stimulation through display elements, audible stimulation through speakers, tactile stimulation through vibration motors, while concurrently monitoring physiological signals via sensors. The centralized controller coordinates all these functions, allowing one device to replace multiple separate devices.
2Measurement precision
If separate monitoring systems are used to assess stimulation results, then physiological signals can be measured, but the monitoring becomes cumbersome and requires additional integration
Solution Approach 1:
The monitoring functions are merged into the head-mounted device itself. Sensors for detecting physiological signals (electroencephalogram, electrocardiogram, electromyogram, galvanic skin response, respiratory signals) are integrated alongside the stimulation components. The centralized controller processes both stimulation delivery and signal monitoring, eliminating the need for separate monitoring equipment and simplifying operation.
Solution Approach 2:
The system monitors its own effects by using integrated sensors to detect physiological signals in real-time. The centralized controller analyzes these signals to assess the user's response to stimulation and automatically adjusts stimulation parameters, making the system self-regulating and eliminating the need for external monitoring equipment or manual adjustment.
3Ease of operation
If non-invasive techniques are used for electrical stimulation, then patient convenience is improved, but the effectiveness of neural stimulation may be reduced
Solution Approach 1:
The patent combines multiple non-invasive stimulation modalities (electrical, visual, audible, vibration, olfactory) into a single integrated system. By delivering multiple types of stimulation simultaneously through the head-mounted device, the system enhances overall neural activation effectiveness while maintaining non-invasive convenience. The centralized controller synchronizes these modalities to achieve synergistic effects on the nervous system.
Solution Approach 2:
The system uses a composite approach by integrating multiple stimulation modalities rather than relying on a single method. The combination of electrical stimulation through electrodes, visual stimulation through display elements, audible stimulation through speakers, vibration through motors, and olfactory stimulation creates a multi-faceted approach to neural activation that compensates for the limitations of individual non-invasive methods.
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
This integrated system effectively assesses and optimizes the user's arousal level and cognitive performance by combining multiple stimulation modalities, enhancing the effectiveness of non-invasive neural stimulation and allowing for personalized and efficient modulation of the nervous system's activity.
Implementation Method 1
Electrical stimulation can be used to stimulate brain and nervous system activity for many different purposes
Implementation Method 2
audio stimulation (binaural beats)
Implementation Method 3
photic stimulation
Implementation Method 4
vibration/bone conduction
Data Source
AI summary
Systems and methods are provided to combine multiple stimulation modalities to significantly increase the effectiveness of non-invasive stimulation. Multiple sensor and stimulation devices and modalities can be combined into a single, compact unit that minimizes the need for additional sensors or stimulation devices. The system features several subunits, referred to as sensory and stimulation devices (SSD), that are integrated into a headphone setup. The system is controlled by a centralized controller that communicates with all of the SSDs and with an external computer system that delivers learning material synchronized with the delivery of stimulations and the collection of user responses based on physiological signals.