Delayed Brain Signal Feedback for Precise Brain Activity Control
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Solution Overview
Problem
Existing brain-machine interface technologies lack a method for controlling brain wave signals without using complex transfer functions.
Innovation Solution
An information processing device and method that includes a brain information obtaining unit, an output unit, and a delaying unit to delay the output of brain information by a predetermined period of time, typically between 200 msec and 500 msec, to control brain activity without complex transfer functions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If complex transfer functions are used to control brain wave signals, then control precision is improved, but device complexity increases
Solution Approach 1:
The patent extracts and isolates the critical control element (delay time) from the complex transfer function system. By focusing solely on timing delay as the control mechanism, the system achieves brain wave control without requiring complex mathematical transformations or multiple processing components.
Solution Approach 2:
The system uses the brain's own electrical signals as both the input and output of the control loop. The delayed brain wave signal is fed back to the subject, allowing the brain to self-regulate its activity patterns without external complex processing or transformation functions.
2Speed
If real-time brain information feedback is provided, then control responsiveness is improved, but loss of time for processing is reduced
Solution Approach 1:
Instead of processing and analyzing the complete brain wave signal in real-time, the system applies only the essential transformation (time delay) to the signal. This partial processing approach provides sufficient control effectiveness while minimizing processing time and computational burden.
Data Source
AI summary
An information processing device includes a brain information obtaining unit that obtains the brain information of a subject; an output unit that outputs the brain information, which is obtained by the brain information obtaining unit, to the subject; and a delaying unit that delays, by a predetermined period of time set in advance, the timing at which the output unit outputs the brain information to the subject.