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Electroencephalogram-electromyogram coupling research method based on variational mode decomposition-transfer entropy

A technology of variational mode decomposition and transfer entropy, which is applied in the field of cognitive neuroscience and information, can solve the problem of increased calculation and achieve the effect of improving accuracy

Active Publication Date: 2019-10-25
NANJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

However, the use of EEMD method will increase the amount of calculation

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  • Electroencephalogram-electromyogram coupling research method based on variational mode decomposition-transfer entropy
  • Electroencephalogram-electromyogram coupling research method based on variational mode decomposition-transfer entropy
  • Electroencephalogram-electromyogram coupling research method based on variational mode decomposition-transfer entropy

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Embodiment Construction

[0063] Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:

[0064] Such as figure 1 Shown: This picture is the overall plan of this experiment, the experimental design part is: a total of ten subjects participated in the experiment (seven males, three females), all of whom were college students, right-handed, and none of them had Mental disease history, no physical motor dysfunction, informed consent before the experiment, and no similar experiment was carried out. Before the experiment started, the subjects were asked to sit upright in a designated seat and told to try not to do anything other than the prescribed movements. The experiment lasted for 40 seconds. 10 seconds before the start of the experiment, the subject used his right hand to hold an empty cup that was not filled with water. When the experiment progressed to the 10th second, he began to inject 500ml of pure water into the subject's empty c...

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Abstract

The invention provides an electroencephalogram-electromyogram coupling research method based on variational mode decomposition-transfer entropy and belongs to the technical field of information. The research method of the invention comprises the steps of 1, allowing a testee to complete experimental operations according to experimental instructions, and acquiring electroencephalogram and electromyogram during the experimental process; 2, preprocessing data of the electroencephalogram and electromyogram; 3, subjecting the preprocessed electroencephalogram and electromyogram to variational modedecomposition to obtain a plurality of different intrinsic mode functions; 4, performing transfer entropy calculation on pairs of the electroencephalogram and electromyogram acquired via variational mode decomposition, and observing electroencephalogram-electromyogram coupling intensities; and 5, performing transfer entropy calculation on the intrinsic mode functions having different properties, different components and different directions again at different moments of time, so that interference to transfer entropy calculation between different subsequent frequency waves due to frequency bandoverlapping can be lessened, and accuracy of experimental results can be improved.

Description

technical field [0001] The invention relates to a research method for brain-myoelectric coupling, specifically a research method for brain-myoelectric coupling based on variational mode decomposition-transfer entropy, and belongs to the fields of cognitive neuroscience and information technology. Background technique [0002] The voluntary movement of the human body is that the motor cortex of the brain sends movement instructions, passes through the central nervous system (brain, spinal cord), and controls the limbs to complete certain actions along the motor conduction pathway; at the same time, the human limbs generate body sensations based on the surrounding environment, and body sensations are transmitted along the nerves. The pathway is fed back to the brain, and comprehensive judgments are made in the sensory and motor areas of the brain, and motor commands are adjusted to complete actions accurately. This signal is transmitted back and forth between the brain and musc...

Claims

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Application Information

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IPC IPC(8): A61B5/0476A61B5/0488A61B5/00G06F17/10
CPCA61B5/7235G06F17/10A61B5/316A61B5/389A61B5/369
Inventor 徐欣王祥
Owner NANJING UNIV OF POSTS & TELECOMM
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