Closed-Loop Nucleus Accumbens Stimulation for Impulse Control
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Solution Overview
Problem
Current treatments for impulse control disorders, such as substance abuse and binge eating, are ineffective and can exacerbate symptoms, and there is a lack of real-time detection systems using predictive brain signals for therapeutic intervention.
Innovation Solution
A closed-loop feedback system utilizing electrodes to detect low frequency modulations in the nucleus accumbens and administer electrical stimulation in response to these modulations to prevent or treat impulse control disorders.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If pharmacologic interventions are used to treat impulse control disorders, then some therapeutic effect may be achieved, but binge eating symptoms worsen and weight gain occurs
Solution Approach 1:
The patent implements a closed-loop feedback system that continuously monitors neural activity in the nucleus accumbens and delivers electrical stimulation in response to detected predictive signals. This real-time feedback mechanism allows the system to intervene only when necessary, preventing binge eating episodes before they occur without the continuous side effects of pharmacologic interventions.
Solution Approach 2:
The patent replaces pharmacologic chemical interventions with electrical stimulation of the nucleus accumbens. This substitution eliminates the metabolic side effects and weight gain associated with psychotropic medications while maintaining therapeutic effectiveness through precise neural modulation.
2Stability of the object's composition
If psychotropic medications are administered to patients, then mood stabilization may occur, but appetite regulation deteriorates and compulsive eating increases
Solution Approach 1:
The patent applies localized electrical stimulation to the nucleus accumbens, a specific brain region involved in both mood regulation and appetite control. This localized intervention allows simultaneous improvement of mood stabilization and appetite regulation without the conflicting effects of systemic psychotropic medications.
Solution Approach 2:
The patent dynamically adjusts electrical stimulation parameters (frequency, amplitude, pulse width) based on real-time detection of neural activity patterns. This parameter optimization enables effective mood stabilization and appetite control while minimizing side effects, unlike fixed-dose psychotropic medications.
3Adaptability or versatility
If traditional treatment modalities are applied to impulse control disorders, then general therapeutic coverage is provided, but patient-specific effectiveness remains limited
Solution Approach 1:
The patent detects predictive neural signals in the nucleus accumbens that precede binge eating episodes by seconds to minutes. This preliminary detection enables preemptive electrical stimulation intervention, preventing the compulsive behavior before it occurs and providing patient-specific effectiveness that traditional reactive treatments cannot achieve.
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
The system effectively reduces binge eating behaviors and other compulsive actions by up to 90% through precise timing of electrical stimulation, providing a patient-specific treatment for disorders resistant to traditional therapies.
Implementation Method 1
inserting at least one electrode into the nucleus accumbens of the subject and recording brain wave activity in the nucleus accumbens of the subject
Implementation Method 2
administer electrical stimulation to the nucleus accumbens of the subject, wherein the administering of electrical stimulation includes applying, by the at least one electrode, the electrical current to the nucleus accumbens of the subject
Data Source
AI summary
The present invention provides, inter alia, methods, apparatus, and systems useful for ameliorating impulse control disorders known to be extremely disabling and common to many neurological and psychiatric conditions using closed-loop (responsive) neuro stimulation.