EEG Correlates of Action Observation in Humans

被引：28
|
作者：
Holz, Elisa Mira [1 ]
Doppelmayr, Michael [1 ]
Klimesch, Wolfgang [1 ]
Sauseng, Paul [1 ,2 ]
机构：
[1] Salzburg Univ, Dept Psychol, A-5020 Salzburg, Austria
[2] Univ Hamburg, Univ Hosp Eppendorf, Dept Neurol, D-20246 Hamburg, Germany
来源：
BRAIN TOPOGRAPHY | 2008年 / 21卷 / 02期
关键词：
Alpha; Coherence; Delta; LORETA; Mirror neuron system; Oscillations;
D O I：
10.1007/s10548-008-0066-1
中图分类号：
R74 [神经病学与精神病学];
学科分类号：
摘要：
To investigate electrophysiological correlates of action observation electroencephalogram (EEG) was recorded while participants observed repetitive biological (human) or non-biological movements (at 1 rate of 2 Hz). Steady-state evoked potentials were analyzed and their neural Sources were investigated using low resolution electromagnetic tomography analysis (LORETA). Results revealed significantly higher activation in the primary motor and premotor cortex, supplementary motor area as well as the posterior parietal cortices during observation of biological movements, supporting Mirror properties of cortical motor neurons. In addition, interregional communication was analyzed. Increased coherence for distributed networks at delta (0.5-4 Hz) and lower alpha (8-10 Hz) frequencies were obtained suggesting integration and functional Coupling between the activated cortical regions during human action observation.
引用
收藏
页码：93 / 99
页数：7
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