Wearable Biofeedback Modulation for Cognitive Disorders
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Solution Overview
Problem
Conventional biofeedback and neurofeedback systems are ineffective for individuals with cognitive disorders as they require users to focus on a computer screen, making it difficult for them to receive training in everyday environments, and are not suitable for those with severe impairments who cannot engage with traditional stimuli.
Innovation Solution
A wearable device that modulates environmental stimuli, such as light and sound, based on physiologic data to provide implicit and explicit feedback, allowing users to receive biofeedback during normal activities like driving, reading, or watching TV, without the need for a secondary feedback device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional biofeedback systems use computer screens and external feedback devices, then feedback information can be clearly displayed, but users with cognitive disorders cannot engage with the system in everyday environments
Solution Approach 1:
The patent merges the feedback device with the user's existing environment by using wearable technology that integrates visual, auditory, and tactile feedback directly into items the user already wears or carries (e.g., smartwatch, wearable headphones). This eliminates the need for separate computer screens and external feedback devices, making the system accessible to individuals with cognitive disorders in their everyday environments
Solution Approach 2:
The wearable device serves multiple functions: it acts as both a physiological sensor and a feedback delivery mechanism. The same device that monitors heart rate, skin conductance, and temperature also provides visual, auditory, and tactile feedback, eliminating the need for specialized equipment and enabling use in diverse everyday contexts
2Measurement precision
If biofeedback training is conducted in clinical settings with specialized equipment, then precise physiological measurement can be achieved, but the training cannot transfer to real-life situations
Solution Approach 1:
The system dynamically adapts the feedback delivery based on the user's physiological state and environmental context. The wearable device continuously monitors physiological parameters and adjusts the type, intensity, and timing of feedback (visual, auditory, tactile) to match the user's current state, enabling effective training in diverse real-life situations while maintaining measurement precision
Solution Approach 2:
The wearable device serves as an intermediary between the user's physiology and their everyday environment. It translates physiological data into contextualized feedback that is delivered through the user's existing accessories, bridging the gap between clinical measurement precision and real-world applicability
3Loss of information
If traditional biofeedback requires active engagement with computer interfaces, then feedback information can be clearly conveyed, but individuals with severe impairments cannot participate
Solution Approach 1:
The system uses tactile vibration feedback through the wearable device to convey information to users with severe cognitive impairments. The vibration patterns provide intuitive, easily perceptible feedback that does not require complex cognitive processing or active engagement with computer interfaces, yet still delivers clear feedback information about physiological states
Solution Approach 2:
The wearable device automatically monitors physiological parameters and delivers feedback without requiring the user to actively engage with interfaces or perform tasks. The system self-adjusts based on detected physiological states, making feedback accessible to individuals with severe impairments who cannot actively participate in traditional biofeedback protocols
Data Source
AI summary
A biofeedback system and method enables biofeedback training to be accomplished during normal interaction by an individual with the individual's environment, for example while reading, playing video games, watching TV, participating in sports activities, or at work. Physiologic data is processed and used to generate one or more control signals based on the physiologic data. The control signals may be proportional to a result of the data processing, or based on comparison of the processing results with at least one fixed or adaptive threshold. The control signal is supplied to a wearable device through which the individual receives sensory information from the individual's environment, and serves to interrupt or modify the sensory information. The wearable device may be an eyeglass device including a dynamic lens display, with the control signal being supplied to the dynamic lens display to modulate visual information received through the eyeglass device by obscuring, distorting, or otherwise affecting the clarity of the visual information. Feedback may also be provided in the form of auditory or tactile feedback.