Adaptive Pacing Signal for Physiological State Maintenance
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Solution Overview
Problem
Existing systems for synchronizing heart rate variability with breathing cycles lack flexibility in their guidance mechanisms, which limits their ability to adapt to changing physiological states and maintain optimal relaxation or therapeutic breathing rates.
Innovation Solution
A system comprising a processor that generates pacing signals, measures physiological parameters, and adjusts or changes the output based on detected states, allowing for flexible feedback and adaptive breathing guidance to maintain a desired state, such as reduced heart rate variability or relaxation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed frequency pacing signal is used to guide breathing, then the subject can achieve a desired physiological state, but the system lacks flexibility to adapt to changing physiological conditions
Solution Approach 1:
The system continuously measures physiological parameters (such as heart rate variability) and uses this feedback to detect when the subject has achieved the desired state. Based on this feedback, the system automatically adjusts or removes the pacing signal, enabling adaptability without requiring complex manual intervention. The feedback loop creates a closed-control system that responds dynamically to physiological changes.
Solution Approach 2:
The pacing signal frequency is made dynamic rather than fixed. The system generates pacing signals at different frequencies based on the detected physiological state. When the subject achieves the desired state, the system either removes the pacing signal or generates a new one at a different frequency, allowing the system to adapt to changing conditions while maintaining relatively simple hardware.
2Adaptability or versatility
If continuous pacing signal presentation is used to maintain breathing control, then the desired state can be maintained, but the system cannot respond when the subject naturally maintains the state without guidance
Solution Approach 1:
The system uses continuous physiological parameter measurement to detect when the subject naturally maintains the desired state without pacing guidance. When detection confirms the subject is in the desired state, the system automatically removes or modifies the pacing signal, allowing natural state maintenance while maintaining responsiveness. This feedback mechanism enables the system to distinguish between paced breathing and natural maintenance of the desired state.
Data Source
AI summary
A method of maintaining a state in a subject (12) comprises generating a pacing signal (20) at a first frequency, presenting to the subject an output based upon the generated pacing signal, measuring one or more physiological parameters of the subject, detecting that the measured parameter(s) conform to a desired state in the subject, and either removing the presentation to the subject of the output based upon the generated pacing signal, or generating a new pacing signal at a second frequency, and presenting to the subject an output based upon the generated new pacing signal. The method can further comprise, prior to the detecting that the measured parameter(s) conform to a desired state in the subject, adjusting the pacing signal according to feedback from the measured parameter(s). In a preferred embodiment, the method also further comprises detecting that the measured parameter(s) no longer conform to a desired state in the subject, and presenting to the subject an output based upon the original generated pacing signal.