Shifting baselines in attention research

被引:86
|
作者
Driver, J
Frith, C
机构
[1] Inst Cognit Neurosci, London WC1N 3AR, England
[2] Wellcome Dept Cognit Neurol, London WC1N 3BG, England
关键词
D O I
10.1038/35039083
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Psychophysical and physiological studies have shown that attending to a stimulus can enhance its sensory processing. Functional imaging studies now reveal that attention can also modulate activity in sensory brain areas before stimulus onset, when the observer prepares to attend to an anticipated stimulus. These preparatory 'baseline shifts' in brain activity pose many new questions, and potentially offer new insights into the neural basis of perceptual awareness.
引用
收藏
页码:147 / 148
页数:2
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