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More Power to the Unconscious: Conscious, but Not Unconscious, Exogenous Attention Requires Location Variation

机译:增强对无意识的力量:有意识而不是无意识的外来注意力需要位置变化

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Substantial evidence suggests that unconscious processing can be characterized as a lesser or weaker version of conscious processing. To test this notion, we designed a novel repeated-cuing procedure based on exogenous attention: The location of the attentional cue was first fixed across blocks (fixed-cue blocks), and then the cue was removed in subsequent blocks (no-cue blocks). The visibility of the cue was also manipulated. We found that when the cue was invisible, the response to a prespecified stimulus in the fixed-cue blocks was faster if the stimulus was at the cued location than if it was at the uncued location. But when the cue was visible, this cuing effect was abolished, potentially because of an awareness-dependent, location-based inhibition mechanism, as revealed by an attentional bias against the previously cued location in the no-cue blocks. We call this bias negative attentional aftereffect. These results provide novel evidence against the weaker-version characterization of unconscious effects, highlighting dissociable components of orienting and inhibition in exogenous cuing through awareness and temporal dynamics.
机译:大量证据表明,无意识加工可被描述为有意识加工的较小或较弱的版本。为了验证这一概念,我们基于外来注意力设计了一种新颖的重复提示过程:注意提示的位置首先固定在各个块(固定提示块)上,然后在后续块(无提示块)中将其删除。 )。提示的可见性也得到了控制。我们发现,当提示不可见时,如果刺激位于提示位置,则对固定提示块中预定刺激的响应要比未提示位置的响应快。但是,当提示可见时,这种提示效果就被取消了,这可能是由于意识依赖性,基于位置的抑制机制所致,如对先前在无提示块中提示位置的注意偏见所揭示的那样。我们称这种偏见为负面注意力后遗症。这些结果提供了新的证据来证明无意识效应的弱版本特征,突出了通过意识和时间动态在外源性暗示中定向和抑制的可分离成分。

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