Human brain EEG indices of emotions: Delineating responses to affective vocalizations by measuring frontal theta event-related synchronization

被引:142
作者
Bekkedal, Marni Y. V. [1 ]
Rossi, John, III [2 ]
Panksepp, Jaak [3 ]
机构
[1] Two Steps Forward LLC, Sun Prairie, WI 53590 USA
[2] Florida Gulf Coast Univ, Dept Social & Behav Sci, Ft Myers, FL 33965 USA
[3] Washington State Univ, Coll Vet Med, Dept Vet & Comparat Anat, Pullman, WA 99164 USA
关键词
Affective sounds; Emotion; EEG; Alpha blocking; Theta; Gender differences; Auditory perception; Event-related cortical desynchronizations and synchronizations; FREQUENCY BANDS; FACIAL EXPRESSIONS; GENDER-DIFFERENCES; VOCAL EMOTION; DARK ENERGY; SCALP EEG; DESYNCHRONIZATION; OSCILLATIONS; MEMORY; ALPHA;
D O I
10.1016/j.neubiorev.2011.05.001
中图分类号
B84 [心理学]; C [社会科学总论]; Q98 [人类学];
学科分类号
010107 [宗教学]; 030301 [社会学]; 070906 [古生物学及地层学(含古人类学)];
摘要
At present there is no direct brain measure of basic emotional dynamics from the human brain. EEG provides non-invasive approaches for monitoring brain electrical activity to emotional stimuli. Event-related desynchronization/synchronization (ERD/ERS) analysis, based on power shifts in specific frequency bands, has some potential as a method for differentiating responses to basic emotions as measured during brief presentations of affective stimuli. Although there appears to be fairly consistent theta ERS in frontal regions of the brain during the earliest phases of processing affective auditory stimuli, the patterns do not readily distinguish between specific emotions. To date it has not been possible to consistently differentiate brain responses to emotion-specific affective states or stimuli, and some evidence to suggests the theta ERS more likely measures general arousal processes rather than yielding veridical indices of specific emotional states. Perhaps cortical EEG patterns will never be able to be used to distinguish discrete emotional states from the surface of the brain. The implications and limitations of such approaches for understanding human emotions are discussed. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1959 / 1970
页数:12
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