Event-Triggered Brain Stimulation for Neural State Potentiation
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Solution Overview
Problem
Current medical systems for electrical stimulation in treating brain conditions lack the ability to effectively detect and respond to favorable brain states in real-time, leading to inefficient symptom management and potential reinforcement of undesirable brain states.
Innovation Solution
A method and system that monitor brain signals to detect episodes of favorable brain states, delivering electrical stimulation within a precise time window (up to 250 milliseconds) using control circuitry to recognize patterns and biomarkers, thereby potentiating the desired neural activity patterns and improving network connectivity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If electrical stimulation is delivered continuously to treat brain conditions, then symptom management is maintained, but the stimulation may reinforce undesirable brain states and increase energy consumption
Solution Approach 1:
The system delivers electrical stimulation in periodic bursts synchronized with detected favorable brain state episodes rather than continuously. The control circuitry monitors brain signals, detects favorable states, and triggers stimulation only during these episodic windows, creating a periodic action pattern that reduces overall energy consumption while maintaining therapeutic effectiveness.
Solution Approach 2:
The system employs feedback by continuously monitoring brain signals and using the detected brain state information to control stimulation delivery. The control circuitry adjusts stimulation timing based on real-time detection of favorable brain states, creating a closed-loop feedback system that optimizes energy usage by delivering stimulation only when beneficial brain states are present.
2Manufacturing precision
If electrical stimulation timing is not precisely synchronized with favorable brain states, then the system is simpler to operate, but the stimulation may fail to potentiate desired neural pathways
Solution Approach 1:
The system performs preliminary detection and identification of favorable brain states before delivering stimulation. The control circuitry monitors and detects brain state episodes in advance, preparing the timing window for subsequent stimulation delivery. This preliminary action ensures precise synchronization while organizing the complexity into distinct detection and execution phases.
Solution Approach 2:
The system replaces mechanical or manual timing adjustment with automated neural signal-based timing control. Instead of using complex mechanical synchronization mechanisms, the system uses electrical brain signal detection and automated control circuitry to achieve precise timing, substituting mechanical complexity with electronic sensing and control.
3Measurement precision
If the system monitors and detects brain states in real-time, then stimulation can be precisely targeted to favorable states, but the detection system becomes more complex
Solution Approach 1:
The system extracts specific relevant features from complex brain signals to identify favorable states. Rather than analyzing the entire complex signal spectrum, the control circuitry extracts key biomarkers and patterns that indicate favorable brain states, simplifying the detection process while maintaining measurement precision through focused feature analysis.
Solution Approach 2:
The system changes detection parameters dynamically based on the detected brain state. The control circuitry adjusts monitoring thresholds, frequency bands, and detection criteria according to the specific brain state being monitored, allowing precise detection of favorable states while adapting the complexity of the detection algorithm to the specific clinical context.
Data Source
AI summary
Methods and apparatuses are disclosed for potentiating a favorable brain state that is associated with relief in symptoms of a brain condition. Techniques include monitoring one or more brain signals and detecting an episode of a favorable brain state based on the one or more brain signals, the favorable brain state associated with a decrease in one or more symptoms of a brain condition of the patient. Then, in response to the detection of the favorable brain state episode, electrical stimulation that potentiates the favorable brain state is delivered to the brain of the patient, the electrical stimulation delivered within a window of time opened for detection of each favorable brain state episode.