Resting-state EEG analysis system oriented to autism diagnosis

An analysis system, resting state technology, applied in the directions of diagnosis, diagnosis recording/measurement, pattern recognition in signals, etc., to achieve the effect of simple operation, superior performance and simple structure

Inactive Publication Date: 2018-06-12
SOUTHEAST UNIV
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although the above-mentioned autism diagnosis based on questionnaires and interviews has been widely used in actual diagnosis, these methods cannot avoid the subjectivity and bias in data collection

Method used

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  • Resting-state EEG analysis system oriented to autism diagnosis
  • Resting-state EEG analysis system oriented to autism diagnosis
  • Resting-state EEG analysis system oriented to autism diagnosis

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Experimental program
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Embodiment 1

[0029] Such as figure 1 As shown, the resting-state EEG analysis system for autism diagnosis includes a data collection module, a data preprocessing module, and a feature extraction module. The analysis system collects data, preprocesses data, and extracts features, which is easy to operate, does not require professional training, and is very convenient to use. The data collection module adopts electroencephalography equipment to collect the brain signals of the participating experimenters when they open their eyes to rest; the data preprocessing module uses the open source toolbox eeglab13.0 based on MATLAB to analyze the resting state brain signals The data is subjected to noise reduction processing; the feature extraction module uses a pattern classification algorithm to perform a micro-state segmentation method on the resting-state EEG signal after preprocessing, and obtains four resting-state EEG micro-states, and extracts its features.

[0030] S1: Collect data

[0031...

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Abstract

The invention belongs to the technical field of autism examination, and relates to a resting-state EEG analysis system oriented to autism diagnosis. The system comprises a data collecting module for collecting EEG signals of a testee during an eye-open rest, a data preprocessing module for denoising resting-state EEG data, and a feature extracting module for calculating the correlation coefficientbetween preprocessed resting-state EEG topographical maps, conducting k-means blind clustering with the correlation coefficient as the feature parameter to obtain three resting-state EEG micro-statetopographical maps of three resting-state EEG micro-states, extracting the average duration time or average appearing frequency in each second of each type of micro-state to obtain a training data sample set and a testing sample set, obtaining a mode classifier according to a standard forward neural network structural design technology, and finally obtaining the diagnosis result of the autism riskthrough the obtained mode classifier. The auxiliary diagnosis of autism can be objectively and rapidly made, and the system is suitable for autism diagnosis of children in early development.

Description

technical field [0001] The invention belongs to the technical field of autism detection, and relates to a resting-state EEG analysis system for autism diagnosis. Background technique [0002] Autism spectrum disorder, or "autism spectrum disorder", "autism", "autism" is a collective term for a series of neurodevelopmental disorders. According to the definition of "Diagnostic and Statistical Manual of Mental Disorders (Fifth Edition)" published by the American Psychiatric Association in 2013, patients with this disorder usually have the following characteristics: social interaction and communication disorders, narrow interests and stereotyped behaviors, among which social Communication barriers are its core barriers. According to 2010 and 2012 estimates by the Autism and Developmental Disabilities Surveillance Network of the U.S. Centers for Disease Control and Prevention, approximately one in 68 U.S. children is diagnosed with an ASD. The disease is widespread in all racia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/0476A61B5/16A61B5/00G06K9/62G06N3/04G06N3/063G06N3/08
CPCA61B5/165A61B5/4088G06N3/063G06N3/08A61B5/7203A61B5/7267A61B5/7271A61B5/316A61B5/369G06N3/048G06F2218/04G06F2218/08G06F18/23213
Inventor 禹东川贾会宾
Owner SOUTHEAST UNIV
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