Atomic magnetic induction-based brain magnetic information detection and analysis method

Abstract

The invention relates to an atomic magnetic induction-based brain magnetic information detection and analysis method. The atomic magnetic induction-based brain magnetic information detection and analysis method comprises the steps of, firstly, distributing all-optical atomic magnetometers and all-optical atomic magnetic gradiometers, which are composed of atomic magnetic sensors, onto a head in a staggered mode to form an all-optical atomic magnetometer array and an all-optical atomic magnetic gradiometer array and further to form a grain magnetic sensing layer, wherein the all-optical atomic magnetometer array and the all-optical atomic magnetic gradiometer array collect brain magnetic field information; collecting data through a head magnetic field original data module, transmitting the data to a subsequent data analyzing module for multi-information analysis treatment to inverse brain activity behavior information of different dimensions, and then performing information fusion through a brain activity information synthesizing module to obtain brain activity information three-dimensional images with high spatial and temporal resolution. The atomic magnetic induction-based brain magnetic information detection and analysis method has the advantages of being simple in method, concise in process, convenient to implement, high in sensitivity, low in implementation cost, high in practicality, reliability and stability, small in required space, large in information volume, extensible in function and the like.

Description

technical field [0001] The invention relates to a magnetic brain information analysis method, in particular to a magnetic brain information analysis method based on atomic magnetic force sensing. Background technique [0002] Magnetoencephalography (MEG for short) detection is one of the non-invasive and non-radioactive brain function image detection technologies for the human body. It plays a very important role in the fields of computer interaction, intelligent control, behavioral organization, psychology, and intelligent perception. Magnetoencephalography does not need to be in direct contact with the skin, so there will be no resulting artifacts, and it can reflect the activity state of the magnetic field source in the brain, with very good resolution in time and space. The magnetoencephalogram obtained by magnetic field detection can be applied to the diagnosis of epilepsy and preoperative location of epileptogenic focus, location of brain functional areas before neuro...

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Problems solved by technology

The prior technology has considerable advantages, but there are some essential deficiencies: 1) The principle of the magnetic field detection device is based on the superconducting quantum interference device to detect the magnetic field, and the two physical phenomena of magnetic flux quantization and Josephson tunneling effect are the detection principles. A low-temperature refrigeration system is necessary, usually using liquid nitrogen or liquid helium refrigeration, and the system structure is complex; 2) The detection sensitivity of the detection device is limited by the detection principle and the complexity of system construction, and the flexibility for magnetoencephalography detection is poor; 3) The device is large in size, Unable to achieve miniaturization, high construction cost, limited spatial resolution of the detection magnetic field, affecting the scope of use

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