Analytic measures for quantification of arousal from spontaneous skin conductance fluctuations

被引：110
作者：
Bach, Dominik R. [1 ]
Friston, Karl J. [1 ]
Dolan, Raymond J. [1 ]
机构：
[1] UCL, Wellcome Trust Ctr Neuroimaging, London WC1N 3BG, England
来源：
INTERNATIONAL JOURNAL OF PSYCHOPHYSIOLOGY | 2010年 / 76卷 / 01期
基金：
英国惠康基金; 瑞士国家科学基金会;
关键词：
Skin conductance (SCR); Galvanic skin response (GSR); Electrodermal activity (EDA); Linear time-invariant filter (LTI); Area under the curve (AUC); SWEAT GLANDS; RESPONSES;
D O I：
10.1016/j.ijpsycho.2010.01.011
中图分类号：
B84 [心理学];
学科分类号：
04 ; 0402 ;
摘要：
Autonomic arousal is often indexed by spontaneous fluctuations in skin conductance Here, we derive a simple measure of sympathetic arousal, using a convolution model of how sudomotor bursting causes fluctuations in skin conductivity Under this model, the time-integral of measured conductance is proportional to the frequency and amplitude of sudomotor bursts We demonstrate the validity of this measure in relation to finite impulse response models, and show that it is a better predictor of autonomic arousal, relative to conventional measures (C) 2010 Elsevier B V All rights reserved.
引用
收藏
页码：52 / 55
页数：4
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