Method for Storing Data of Photoelectrically Synchronous Brain Activity Recording

A method for storing data of photoelectrically synchronous brain activity recording, characterized in that said method comprises:

• generating data when a photoelectrically synchronous brain activity detection system is operating;
• generating from said data a data storage file comprising a basic information data segment, a near-infrared spectrum data segment and a brain electrical activity data segment, and sequentially storing said data segments into a .neg file in binary form according to the above order;
• wherein the basic information data segment includes mode information, file version number, name and ID number of a tested person, doctor's name and workplace, and age and name of a tested person;
• the near-infrared spectrum data segment includes:
• a near-infrared data basic information field, which includes a sampling frequency of a near-infrared signal, a total number of event stimulations, a near-infrared wavelength, number of channels, number and positions of light sources, number and positions of probes, and number of samples of near-infrared data;
• a near-infrared data channel information field, which includes a valid flag bit of the channel, a light source index, a probe index, an analog magnification of the probe, a digital magnification of the probe and a reference light density;
• a near-infrared data measurement data field, which includes a collected near-infrared spectral density;
• a near-infrared data event stimulation field, which includes an event stimulation name, a stimulation type, and a flag position;
• the brain electrical activity data segment includes:
• a brain electrical data basic information field, which includes a brain electrical signal sampling frequency, number of channels, a total number of event stimulations, start and stop signs of low-pass filtering of an amplifier, start and stop signs of high-pass filtering of an amplifier, a reference electrode sign and a sample number;
• a brain electrical data channel information field, which includes a channel valid flag bit, an excitation electrode index, a measurement electrode index, an analog magnification of a measurement electrode, and a digital magnification of the measurement electrode;
• a brain electrical data measurement data field, which includes the collected brain electrical signals;
• a brain electrical data event stimulation field, which includes an event stimulation name, a stimulation type, and a flag position.