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Construction method of emotional dynamic brain network map based on fusion of ssvep and erp

A construction method and technology of brain network, applied in the fields of medical science, diagnosis, psychological devices, etc., to achieve the effect of promoting development

Active Publication Date: 2021-10-01
PLA STRATEGIC SUPPORT FORCE INFORMATION ENG UNIV PLA SSF IEU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, most of the existing studies focus on the analysis of emotion-related static brain networks and functional connections, and lack of in-depth exploration of the dynamic change patterns of emotional brain networks

Method used

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  • Construction method of emotional dynamic brain network map based on fusion of ssvep and erp
  • Construction method of emotional dynamic brain network map based on fusion of ssvep and erp
  • Construction method of emotional dynamic brain network map based on fusion of ssvep and erp

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Embodiment Construction

[0057] The present invention will be further explained below in conjunction with accompanying drawing and specific embodiment:

[0058] like figure 1 Shown, a kind of construction method of the emotional dynamic brain network diagram based on SSVEP and ERP fusion of the present invention, comprises the following steps:

[0059] Step S101: Constructing an emotion-induced EEG signal sample library based on the IAPS image library, the emotion-induced EEG signal sample library is composed of a plurality of emotion-induced EEG signals;

[0060] The step S101 includes:

[0061] Step S101.1: Based on the order of emotional valence from high to low, respectively select M pictures under three different emotional valences in the IAPS image library, and the same emotional valence corresponds to pictures of the same category, and the categories include positive Pictures, neutral pictures and negative pictures, and the emotional arousal of each type of picture is different;

[0062] Ste...

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Abstract

The invention relates to the technical field of brain networks, in particular to a method for constructing emotional dynamic brain network maps based on the fusion of SSVEP and ERP. The construction method of the emotional dynamic brain network map based on the fusion of SSVEP and ERP comprises the following steps: Step 1: constructing an emotion-induced EEG signal sample library based on the IAPS picture library, the emotion-induced EEG signal sample library is composed of a plurality of emotion-induced EEG signal samples. Electrical signal composition; Step 2: Carry out data preprocessing to the emotion-induced EEG signal; Step 3: Extract ERP and SSVEP EEG signals of the emotion-induced EEG signal after data preprocessing; Step 4: Based on the ERP and SSVEP EEG signals are fused to construct an emotional dynamic brain network map. The invention realizes the construction of emotional dynamic brain network map.

Description

technical field [0001] The invention relates to the technical field of brain networks, in particular to a method for constructing emotional dynamic brain network maps based on the fusion of SSVEP and ERP. Background technique [0002] Emotion, as a complex pattern of physical and psychological changes, including physiological arousal, sensation, cognitive process, explicit expression and special behavioral responses, has an important impact on the cognitive function of the human brain. Without an emotional life, we would not be able to imagine what it would be like, and it would be difficult for us to communicate with the outside world. Emotion has increasingly become an important research topic. [0003] However, our understanding of emotions has so far been limited due to the difficulty in defining the behavior of emotions, manipulating them, and studying them scientifically. Only recently have major advances in our understanding of the functional neuroanatomy of emotion...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/378A61B5/377A61B5/372A61B5/16A61B5/00
CPCA61B5/165A61B5/72A61B5/7225A61B5/7271A61B5/316A61B5/378
Inventor 曾颖杨凯李存波张融恺舒君徐鹏尧德中童莉闫镔
Owner PLA STRATEGIC SUPPORT FORCE INFORMATION ENG UNIV PLA SSF IEU
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