Brain-computer interface system based on atomic magnetometer and its application method

Abstract

The invention discloses a brain-computer interface system based on an atom magnetometer, and a use method thereof. The invention combines the work characteristics of the atom magnetometer to design abrain magnetic cap and a magnetic shielding device with practicality; a scheme of separating an atom magnetometer probe from a light source is adopted to improve a system integration level; system probability is intensified; a brain magnetic signal processing process capable of greatly improving operation speed and reducing processing process complexity; and for scenes which may be applied by thesystem, a feasible commutation and peripheral support system is given. By use of the brain-computer interface system provided by the invention, the control of a local and remote application system isfinished conveniently through the brain magnetic signal, and the system owns practicality and good expansion performance.

Description

technical field [0001] The present invention relates to the field of brain-computer interface research, the direction of developing brain-computer interface technology by using magnetic brain signals, and in particular to a brain-computer interface system based on an atomic magnetometer and a method of use thereof. Background technique [0002] Brain-Computer Interface (BCI) refers to the direct connection pathway established between the human or animal brain and external devices. This technology mainly detects nerve activity signals and analyzes and extracts them as instructions to control external devices. Its potential application value is attracting more and more attention in the fields of artificial intelligence, academic research, rehabilitation medicine, and military operations. [0003] At present, relevant research teams at home and abroad have carried out research on the implementation of brain-computer interface based on various brain imaging methods, including th...

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Problems solved by technology

[0007] In view of the above-mentioned problems in applying the existing brain imaging technology in the BCI system, the purpose of the present invention is to provide a brain-computer interface system based on an atomic magnetometer and a method of using the same, which can achieve a high signal-to-noise ratio for measuring brain magnetic field signals, It has the characteristics of simple use, high detection accuracy, stability and reliability, scalability and practicability, etc.

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