Linking actions and their perceivable consequences in the human brain

被引:103
作者
Elsner, B [1 ]
Hommel, B
Mentschel, C
Drzezga, A
Prinz, W
Conrad, B
Siebner, H
机构
[1] Max Planck Inst Psychol Res, Dept Cognit & Act, D-80799 Munich, Germany
[2] Leiden Univ, Sect Expt & Theoret Psychol, Leiden, Netherlands
[3] Tech Univ Munich, Dept Neurol, Munich, Germany
[4] Tech Univ Munich, Dept Nucl Med, Munich, Germany
[5] UCL, Inst Neurol, Sobell Dept Motor Neurosci & Movement Disorders, London, England
关键词
D O I
10.1006/nimg.2002.1162
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Voluntary action is goal-directed and therefore depends on the ability to learn associations between movements and their perceivable consequences. The neural substrate of this ability was investigated with (H2O)-O-15 positron emission tomography (PET). Healthy adults first learned that self-initiated keypresses were consistently followed by certain tones (i.e., action effects). During PET imaging, participants listened to varied ratios of action-effect tones and neutral tones without performing any movement. The caudal supplementary motor area and the right hippocampus increased their activity with the frequency of action-effect tones, suggesting that both cortical areas play a role in linking the consequences of an action and the action itself. This integration process represents a highly flexible mechanism that helps to promote the learning, automatization, and control of voluntary actions. (C) 2002 Elsevier Science (USA).
引用
收藏
页码:364 / 372
页数:9
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