Identification of Mentality Facticity Based on Fisher Discriminant Analysis and Event-Related Potentials

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Identification of Mentality Facticity Based on Fisher Discriminant Analysis and Event-Related Potentials

更新时间：2025-07-09

- Identification of Mentality Facticity Based on Fisher Discriminant Analysis and Event-Related Potentials
- Vol. 44, Issue 8, Pages: 132-136(2010)
- 作者机构：
  
  西安交通大学生物医学工程教育部重点实验室,西安,710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： R395.9;R318.04
- Online First：10 August 2010，
  
  Published：2010
- 稿件说明：
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Identification of Mentality Facticity Based on Fisher Discriminant Analysis and Event-Related Potentials[J]. 2010, 44(8): 132-136.
DOI：

Identification of Mentality Facticity Based on Fisher Discriminant Analysis and Event-Related Potentials[J]. 2010, 44(8): 132-136. DOI：

摘要

提出一种基于Fisher判别式和事件相关电位(ERP)的心理意识真实性识别新方法

以可识别的有意义的个人信息(如姓名、生日)作为被测试信息

应用隐藏信息测试(CIT)模式对15名受试者进行了测试并记录其脑电信号.将多通道ERP P300幅度和受试者的反应时间组成特征参数

利用Fisher判别式进行心理意识真实性识别分类

获得93.3%的平均识别率

明显高于以往研究方法的识别率.因此

基于多通道ERP和Fisher判别式的方法具有无创性及较高识别率等优点

可以作为一种心理意识真实性检测的新方法.

Abstract

Fisher discriminant analysis(FDA)and event-related potentials(ERP)are adopted to identify mentality facticity or detect lie. Some identifiably meaning information

such as subject name and birthday

are selected as the concealed information to be identified

15 subjects were tested by concealed information test(CIT)paradigm and their electroencephalographs(EEG)are recorded. Multi-channel ERP P300 amplitude and reaction time of subject are used as the feature parameters and an FDA is applied to identify mentality facticity with a 93.3% of the detection correctness

which is higher than that of methods in the previous researches

and the advantages of non-invasion in the proposed method get obvious.

关键词

Keywords

references

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Related Institution

Key Laboratory of Biomedical Information Engineering of Education Ministry

School of Life Sciences and Technology, Xi'an Jiaotong University

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