The neural correlates of consciousness: an analysis of cognitive skill learning

The neural correlates of consciousness: an analysis of cognitive skill learning
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DOI:
10.1098/rstb.1998.0341
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发表时间:
1998-11-29
影响因子:
6.3
通讯作者:
Raichle, ME
Raichle, ME
中科院分区:
生物学1区
文献类型:
--
作者:
Raichle, ME

文献摘要

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本文提出了一种功能性脑成像策略,旨在隔离人类意识的神经相关。这种策略是基于技能学习的。在所举的例子中(快速生成视觉呈现的名词的动词),在练习之前和之后检查认知技能。如图所示,在幼稚状态和练习状态下支持该任务的执行的神经回路中存在显著的质的差异,重要的是,包括从大脑的基线活动的增加和减少。
This paper presents a functional brain-imaging strategy designed to isolate neural correlates of consciousness in humans. This strategy is based on skill learning In the example presented (rapidly generating verbs for visually presented nouns), a cognitive skill is examined before and after practice. As shown, there are marked qualitative differences in the neural circuitry supporting performance of this task in the naive and practised state that include, importantly, both increases and decreases from the baseline activity of the brain.