Electroencephalogram and electromyogram synchronous acquisition and information transfer characteristic analysis method

A technology of synchronous acquisition and information transmission, applied in the field of rehabilitation engineering, which can solve problems such as lack of directional resolution, regardless of specific information sequence and time, and inability to exclude homologous information interference.

Inactive Publication Date: 2015-06-10
YANSHAN UNIV
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Problems solved by technology

This method was originally proposed for mechanical fault diagnosis, but the research on the control feedback mechanism of the motor nervous system still has the following deficiencies: the information transfer relationship is described by calculating the amount of information shared between two information sources, regardless of the order in which specific information appears and time, there is no direction resolution in essence, and the interference of homologous information cannot be ruled out

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  • Electroencephalogram and electromyogram synchronous acquisition and information transfer characteristic analysis method
  • Electroencephalogram and electromyogram synchronous acquisition and information transfer characteristic analysis method
  • Electroencephalogram and electromyogram synchronous acquisition and information transfer characteristic analysis method

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Embodiment Construction

[0037] Physiological electrical signals of the human body change with external stimuli and changes in their own state, resulting in the non-stationarity of physiological electrical signals, making EEG and EMG signals nonlinear. Since information entropy can describe the linear and non-linear information correlation between signals, the present invention obtains the information transmission relationship between the cerebral cortex and muscles under different exercise states by calculating the amount of shared information between the newly added state of the signal and the historical state of the source signal , and then study the physiological mechanism of motor dysfunction. The specific method includes a signal synchronous acquisition part and a signal processing part;

[0038] (1) The signal synchronous acquisition part includes: EEG signal acquisition and EMG signal acquisition;

[0039] (1-1) For EEG signal acquisition, the international standard 10-20 electrode placement ...

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Abstract

The invention relates to the fields of rehabilitation engineering, neural engineering and dyskinesia mechanism research, in particular to an electroencephalogram and electromyogram synchronous acquisition and information transfer characteristic analysis method. The method includes an electroencephalogram and electromyogram synchronous acquisition step and a signal processing step, the electroencephalogram and electromyogram synchronous acquisition step includes electroencephalogram acquisition and electromyogram acquisition, and the signal processing step includes signal preprocessing and an electroencephalogram and electromyogram transfer characteristic analysis method. The method has applicability and adoptability and has significant application value in the rehabilitation medicine field.

Description

technical field [0001] The invention relates to the fields of rehabilitation engineering, neuroengineering and movement disorder mechanism research, in particular to a method for analyzing the characteristics of brain myoelectric information transmission based on state transition rate under synchronous acquisition of brain myoelectricity. Background technique [0002] Scalp electroencephalography (EEG) is the performance of the electrical activity of the cerebral cortex, and surface electromyography (sEMG) is the performance of muscle electrical activity. The two are respectively the representative signals of the human body's command center and executive terminal, and have very important roles in the field of body motor function. important research significance. Since Conway discovered the correlation between myoelectric signals and magnetic brain signals during exercise in 1995, research on exploring the connection between the brain's sensory motor cortex and muscle functio...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/0476A61B5/0488
Inventor 谢平杜义浩马培培梁振虎苏玉萍
Owner YANSHAN UNIV
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