基于可穿戴单通道脑电图的实时恐惧检测

S. Cheemalapati, P. C. Adithya, Michael Valle, M. Gubanov, A. Pyayt
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引用次数: 3

摘要

情绪状态的实时检测在安保、安全和危险情况识别方面具有多种应用。传统的基于脑电图的情绪研究是在多通道系统和大信号处理能力的受控实验室环境中进行的。为了在现实世界中发挥作用,情感检测系统必须是微型的,便携的,并且可以通过移动电话的处理器提供的计算支持实时工作。本文介绍了利用便携式单电极脑电图系统对10名受试者进行实时恐惧检测的结果。我们研究了将之前在复杂多电极系统中发现的标记物——慢波与快波的比值转化为实时便携式系统的可能性。使用学生t检验证明,正常状态下监测参数的平均值显著高于恐怖刺激时的平均值,Theta/ Beta的P值为(0.027)~ 0.03。便携式恐惧检测框架以及本研究中讨论的标记可以为战场上的士兵或警察在受到攻击时提供许多重要的应用,作为迫切需要帮助的指示。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Real Time Fear Detection Using Wearable Single Channel Electroencephalogram
Real time detection of emotional state has multiple applications for security, safety and identification of dangerous situations. Traditionally electroencephalogram (EEG) based emotion studies are conducted in controlled lab environment with multi-channel systems and large signal processing power. In order to be useful in real world situation the system for emotion detection has to be miniature, portable and working in real time supported by calculations that can be provided by a processor power of a mobile phone. Here we present our results on real time fear detection using portable single electrode EEG system conducted on 10 subjects. We studied possibility of translation of the markers previously identified for complex multi-electrode system - ratios of slow waves to fast waves into real time portable system. It was demonstrated using Student’s t-test that the average value of the monitored parameter during normal state was significantly higher than that of during a scary stimulus with a P value of (0.027) ~ 0.03 for Theta/ Beta. The framework for portable fear detection together with the markers discussed in this study can enable many applications important for the soldiers in the battlefield or police officers while being under attack as an indicator that help is urgently needed.
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