Event-Timed Vagus Neuromodulation for Midbrain Dopamine Control
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Solution Overview
Problem
Existing nerve stimulation devices lack the ability to effectively manipulate midbrain dopamine signals in response to specific events to achieve targeted behavioral or physiological effects, such as alleviating addiction or improving learning and athletic performance, without requiring surgical implantation.
Innovation Solution
A system comprising stimulation circuitry and processor circuitry that outputs neuromodulation signals to a nerve target, timed with an event, using machine learning models to predict and optimize the alteration of midbrain dopamine signals, allowing for the manipulation of reward-related signaling through neuromodulation signals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If surgical implantation of stimulation devices is used, then reliable manipulation of midbrain dopamine signals is achieved, but device complexity and invasiveness increase
Solution Approach 1:
The patent uses the vagus nerve as an intermediary structure to indirectly manipulate midbrain dopamine signals. Instead of directly implanting stimulation devices in the midbrain, the system stimulates the vagus nerve (accessible through non-invasive transcutaneous approaches) to produce downstream effects on dopamine signaling, thereby achieving reliable signal manipulation without surgical implantation complexity
Solution Approach 2:
The patent replaces complex mechanical surgical implantation systems with non-invasive transcutaneous stimulation devices. The stimulation circuitry can be applied externally through the skin to the vagus nerve, eliminating the need for surgical implants, electrodes, and associated mechanical complexity while maintaining functional effectiveness
2Ease of operation
If transcutaneous stimulation devices are used, then ease of operation is improved, but ability to manipulate midbrain dopamine signals deteriorates
Solution Approach 1:
The patent segments the neuromodulation process into distinct components: (1) transcutaneous stimulation of the vagus nerve through accessible surface areas, (2) signal transmission through neural pathways, and (3) downstream manipulation of midbrain dopamine signaling. This segmentation allows the use of simple external devices while achieving complex physiological effects through the distributed neural system
Solution Approach 2:
The vagus nerve stimulation system serves multiple functions: it can manipulate midbrain dopamine signals for addiction treatment, modulate reward-related behavior, and provide flexible timing control for various therapeutic applications. This multi-functionality enables a single transcutaneous device to achieve reliable signal manipulation across different conditions without requiring condition-specific invasive implants
3Productivity
If neuromodulation signals are timed with events, then effectiveness of behavioral modification is improved, but device complexity increases
Solution Approach 1:
The system performs preliminary detection of triggering events (such as drug-seeking behavior, cue exposure, or targeted temporal windows) before delivering the neuromodulation signal. This preliminary action enables precise timing of the stimulation to maximize behavioral modification effectiveness, while the timing logic is implemented through programmable control rather than complex hardware
Solution Approach 2:
The patent incorporates feedback mechanisms where the system monitors behavioral indicators, physiological states, or event detections and adjusts the timing and delivery of neuromodulation signals accordingly. This feedback enables adaptive timing for optimized effectiveness, implemented through programmable control algorithms that process input signals and modulate output accordingly
Data Source
AI summary
Embodiments are directed to systems, devices, and methods for altering midbrain dopamine signals. An example system comprises stimulation circuitry configured to output a neuromodulation signal to a nerve target of a subject, and processor circuitry configured to cause the stimulation circuitry to output the neuromodulation signal to the nerve target as timed with an event, and in response, cause alteration to midbrain dopamine signals to the subject.