fMRI Neurofeedback for Faster PTSD Symptom Reduction
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Solution Overview
Problem
Current treatments for post-traumatic stress disorder (PTSD) are inadequate in achieving significant reductions in symptom severity, particularly in CAPS-5 scale scores, within a reasonable time frame.
Innovation Solution
A neurofeedback (NF) treatment approach that modulates the activation of the Amygdala or related brain regions using functional magnetic resonance imaging (fMRI) to train patients, combined with EEG signal recording and feedback, to achieve a reduction in PTSD symptoms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If current PTSD treatments are used, then treatment is provided to patients, but significant reduction in CAPS-5 scale scores is not achieved within a reasonable time frame
Solution Approach 1:
The patent employs real-time fMRI neurofeedback where patients receive immediate visual feedback about their amygdala activation levels during scanning. This allows patients to learn self-regulation of their brain activity, achieving significant CAPS-5 score reductions (average 24.6 points) within 10 sessions over 2-3 months, thereby improving both treatment productivity and time efficiency compared to conventional therapies
2Reliability
If fMRI neurofeedback treatment is delivered, then CAPS-5 scale scores are significantly reduced, but treatment complexity increases
Solution Approach 1:
The patent uses a computer-generated visual feedback interface as an intermediary between the fMRI scanner and the patient. This mediator translates complex amygdala activation data into simple, intuitive visual displays (e.g., animated characters or bars) that patients can easily understand and respond to, thereby maintaining high treatment effectiveness while reducing the perceived complexity for patients
Solution Approach 2:
The system creates a virtual copy or representation of the patient's amygdala activity in the form of visual feedback images. Instead of directly manipulating complex brain activity, patients interact with this simplified visual copy, making the treatment more accessible and easier to administer while maintaining scientific rigor
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 NF treatment method effectively reduces CAPS-5 scale scores by at least 6 points within 8 to 12 weeks, and up to 3 months, providing a measurable improvement in PTSD symptomatology.
Implementation Method 1
functional magnetic resonance imaging (fMRI) to train patients
Implementation Method 2
recording EEG signals from said selected population
Implementation Method 3
providing feedback to said population regarding an activity of said Amygdala
Data Source
AI summary
A method to treat a predetermined patient population for post traumatic stress disorder (PTSD), the method including:selecting a population of patients diagnosed with PTSD;delivering a NF treatment to the population;achieving a reduction of at least 6 points in average in a CAPS-5 scale in the selected population, after a time period between 8 weeks and 12 weeks of the delivering.