Neural Stimulation Phase Alignment for Constructive Interference
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Solution Overview
Problem
Existing neural stimulation methods face inefficiencies due to out-of-phase audio and visual stimuli, leading to destructive interference and reduced treatment efficacy for conditions like Alzheimer's and dementia.
Innovation Solution
Systems and methods that phase-align audio and visual stimulation using feedback-based adjustments to modify phase and amplitude, ensuring constructive interference and enhanced neural entrainment through rhythmic light and music synchronization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If audio and visual stimulation are provided at the same frequency, then the stimulation targets a particular portion of the brain, but the resultant brain signals may destructively interfere with each other, reducing treatment efficacy
Solution Approach 1:
The system dynamically adjusts the phase parameters of audio and visual stimulation signals to optimize their interference pattern. By changing the phase relationship between signals based on real-time brain response feedback, the system transforms destructive interference into constructive interference, thereby enhancing treatment efficacy without harmful side effects
Solution Approach 2:
The system incorporates brain oscillation monitoring that provides real-time feedback on neural responses to audio and visual stimulation. This feedback loop enables the system to detect when destructive interference occurs and automatically adjust stimulus parameters to achieve constructive interference, ensuring optimal treatment effectiveness
2Reliability
If audio and visual stimulation are provided at the same frequency, then the stimulation targets a particular portion of the brain, but the audio and visual stimulations may be out of phase, reducing the efficacy of stimulation
Solution Approach 1:
The system uses brain oscillation monitoring to continuously monitor neural responses and automatically adjusts the phase of audio and visual stimuli based on real-time feedback. This eliminates the need for manual phase alignment while ensuring optimal stimulation efficacy is maintained throughout the treatment
Solution Approach 2:
The system dynamically adjusts stimulus parameters including phase and amplitude in real-time based on brain response characteristics. This dynamic adaptation allows the system to maintain optimal phase alignment automatically, transforming a complex manual operation into an autonomous process that continuously optimizes treatment effectiveness
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 solution amplifies neural stimulation efficacy by constructively interfering brain signals, improving treatment outcomes for cognitive conditions such as Alzheimer's and dementia while maintaining patient tolerability.
Implementation Method 1
The combination of music and light stimuli can elicit neural oscillation effects or stimulation. The combined stimuli can adjust, control or otherwise affect the frequency of the neural oscillations
Implementation Method 2
to the extent that the audio and visual stimulations are in phase with one another, the resultant brain signals may constructively interfere with each other, thereby amplifying the stimulation in the target portion of the patient's brain
Implementation Method 3
To the extent that the audio and visual stimulations are out of phase, the resultant brain signals may destructively interfere with each other, thereby reducing the efficacy of stimulation and treatment
Data Source
AI summary
A system comprising an output device, a brain oscillation monitor, and one or more processors. The output device is configured to output an audio signal for audio stimulation of the patient, and a visual pattern for video stimulation of the patient. The brain oscillation monitor is configured to generate feedback indicative of a response to the audio stimulation and the visual stimulation. The one or more processors are configured to determine a target frequency for the audio stimulation and the visual stimulation. The one or more processors are further configured to cause constructive interference of the audio stimulation and the visual stimulation output by the output device at the target frequency, by modifying at least one of a phase of the visual pattern or an amplitude of onsets for the visual pattern, relative to the audio signal, according to the feedback from the brain oscillation monitor.