Subcaudate Area Stimulation for Reversible Neuropsychiatric Therapy
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Solution Overview
Problem
Current treatments for neurological and psychiatric disorders, such as schizophrenia and depression, using deep brain stimulation and pharmacological infusion, often result in irreversible side effects and lack targeted modulation of the subcaudate region, which is critical for neural activity regulation.
Innovation Solution
A method involving the administration of stimulation to the subcaudate area of the brain using implanted devices with electrodes and pharmacological agents to modulate neural activity, including electrical, magnetic, thermal, and ultrasonic stimulation, to treat disorders like schizophrenia and depression by targeting the subcaudate white matter pathways.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If permanent surgically induced lesions are made in the subcaudate area, then neurological and psychiatric disorders are treated, but serious complications including decreased motivation, loss of interest, neuropsychological disorders and cognitive disturbances occur
Solution Approach 1:
The patent replaces permanent mechanical surgical lesions with reversible electrical stimulation or pharmacological infusion. Instead of physically destroying neural tissue through surgery, the invention uses controllable electrical fields or drug delivery to modulate neural activity in the subcaudate area, thereby maintaining treatment effectiveness while eliminating irreversible damage and associated neuropsychological side effects
Solution Approach 2:
The patent changes the state of neural modulation from permanent (surgical lesions) to reversible and adjustable (electrical stimulation parameters or pharmacological infusion rates). By controlling stimulation intensity, frequency, and duration, or adjusting drug infusion rates, the treatment can be optimized to achieve therapeutic effects while minimizing side effects, and can be discontinued or modified if adverse effects occur
2Reliability
If deep brain stimulation is used to modulate neural activity, then neurological and psychiatric function is improved, but the subcaudate region is not specifically targeted
Solution Approach 1:
The patent applies local quality by specifically targeting the subcaudate region with electrical stimulation electrodes or pharmacological infusion catheters. The stimulation or drug delivery is localized to the subcaudate area beneath the caudate nucleus, rather than applying diffuse deep brain stimulation. This localized approach ensures that the therapeutic effect is concentrated on the specific neural circuits involved in the disorder while minimizing off-target effects
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 approach provides reversible therapy with reduced side effects, allowing for partial relief from neurological and psychiatric disorders by increasing neuronal activity and altering metabolism, as measured by functional imaging and PET scans, and can be adjusted based on patient response.
Implementation Method 1
delivering the stimulation signal to the first proximal electrode and the first distal electrode; and, modulating neural activity in the subcaudate white matter tissue
Implementation Method 2
Magnetic stimulation can be provided by internally implanted probes or by externally applied directed magnetic fields
Implementation Method 3
Thermal stimulation can be provided by using implanted probes that are regulated to produce or emit heat and/or cold temperatures
Implementation Method 4
other types of stimulations can also be used, for example, magnetic, thermal and/or ultrasonic stimulation can be used to modulate the targeted subcaudate area
Data Source
AI summary
A method for treating a patient with a neurological or psychiatric disorder, comprising applying stimulation to at least a portion of the patient's subcaudate white matter of the subcaudate area under conditions effective to provide the patient with at least a partial relief from the neurological or psychiatric disorder. The stimulation may be electrical and/or pharmacological.