期刊
NEUROSCIENCE
卷 218, 期 -, 页码 181-184出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.neuroscience.2012.05.026
关键词
dopamine; perception; reward; detection; somatosensory; decisions
资金
- Howard Hughes Medical Institute
- Direccion del Personal Academico de la Universidad Nacional Autonoma de Mexico
- Consejo Nacional de Ciencia y Tecnologia
- DGAPA [IA201011-22]
For midbrain dopamine (DA) neurons to respond to sensory events, the presence of a stimulus must first be detected. Where is the signal that activates DA neurons coming from? Here we show that DA responses to a vibrotactile stimulus lag significantly behind those of the primary somatosensory cortex, but they arise with a latency that closely matches the onset of premotor neurons known to encode perceptual decisions. In agreement with previous findings, these data suggest that sensory evoked DA activity does not signal a stimulus physical presence but arises from the output of a perceptual decision. (C) 2012 IBRO. Published by Elsevier Ltd. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据