Nervous feedback system based on real-time functional magnetic resonance signal

A technology of functional magnetic resonance and neurofeedback, which is applied in the field of neurofeedback systems, can solve the problems that researchers cannot keep abreast of progress and neurofeedback research is limited, and achieve the effect of improving cognitive function, improving behavioral ability, and good results

Inactive Publication Date: 2010-12-15
BEIJING NORMAL UNIVERSITY
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Problems solved by technology

Traditional functional magnetic resonance imaging research is limited by the analysis steps and methods. Usually, the data is collected and processed offline, whic

Method used

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  • Nervous feedback system based on real-time functional magnetic resonance signal
  • Nervous feedback system based on real-time functional magnetic resonance signal
  • Nervous feedback system based on real-time functional magnetic resonance signal

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Embodiment Construction

[0019] figure 1 Construct a schematic diagram of a neurofeedback system based on real-time fMRI signals, including:

[0020] (1) The magnetic resonance scanning system, as an acquisition device for brain function signals, outputs the collected magnetic resonance function data in DICOM format in real time by setting a real-time scanning sequence, that is, completes a three-dimensional brain function within the interval time TR of each scanning pulse repetition. Functional data collection, reconstruction and output;

[0021] (2) Real-time data analysis and feedback output, perform format conversion, preprocessing, function positioning detection, and result output processing on the scanned and transmitted data, obtain the brain activation map under the corresponding task, display and identify the activated brain related to the task area; the computer required by the system is required to be able to output at least three video signals, of which two video signals are provided to t...

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Abstract

The invention relates to a nervous feedback system based on a real-time functional magnetic resonance signal, comprising a real-time functional magnetic resonance data reading and format transforming module, a real-time functional positioning detection module and a real-time feedback stimulation module, wherein the real-time functional positioning detection module extracts the active mode of the brain of a trainee under a specific task, activates the active state of the brain area through the real-time feedback stimulation module and shows the activated active state to the trainee in a visual way, and the trainee achieves the effect of regulating a specific cognitive function by learning to control the activity level of the activated brain area. The invention detects the activated state of the brain on line through the real-time functional magnetic resonance signal, feeds back to the trainee in real time, enhances or recovers the corresponding cognitive function of the trainee by repeatedly training, regulating and controlling the cognitive activity level of the brain and has important social value on aspects, i.e. brain function mechanism research, brain perceptive and cognitive ability regulation, treatment of diseases related to cognition, and the like.

Description

technical field [0001] The present invention relates to a neurofeedback system based on real-time functional magnetic resonance signals, which specifically means that through fast acquisition and online analysis of brain magnetic resonance functional images, trainees can observe in real time the activity state of their own brains under specific tasks, and then adjust the brain activity state. Area activities to improve or restore the corresponding cognitive function. The invention belongs to the application field of information processing technology in cognitive neuroscience. Background technique [0002] Biofeedback refers to the process of feeding back the physiological parameters collected online to the individual so that they can learn how to adjust and improve the corresponding physiological activities. The feedback regulation of brain activity is called "neurofeedback". The information in neurofeedback is usually associated with thinking, emotion, and behavior. The ea...

Claims

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Application Information

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IPC IPC(8): A61B5/00A61B5/055
Inventor 姚力赵小杰李熠
Owner BEIJING NORMAL UNIVERSITY
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