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Controlled processes in human consciousness represent high-alert mental states where individuals deliberately focus their attention on achieving specific goals. Controlled processes can be seen in situations like mastering new technology, where a person might become so absorbed that they ignore surrounding distractions. Such processes involve selective attention, requiring one to concentrate on particular elements of experience while disregarding others. These are governed by executive...
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Alertness and cognitive control: Interactions in the spatial Stroop task.

Darryl W Schneider1

  • 1Department of Psychological Sciences, Purdue University, 703 Third Street, West Lafayette, IN, 47907, USA. dws@purdue.edu.

Attention, Perception & Psychophysics
|February 21, 2020
PubMed
Summary
This summary is machine-generated.

Alertness enhances congruency effects in spatial tasks, suggesting spatial attention and information processing are key to understanding cognitive control. This interaction was consistent across different stimuli and spatial dimensions.

Keywords:
AlertnessCognitive controlSelective attentionSpatial Stroop taskSpatial information processing

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Area of Science:

  • Cognitive Psychology
  • Neuroscience

Background:

  • Cognitive control, implemented by selective attention, is often suboptimal, evidenced by congruency effects from irrelevant stimulus features.
  • Alertness has been linked to larger congruency effects, potentially involving spatial information processing.

Purpose of the Study:

  • To investigate the generality of the alerting-congruency interaction.
  • To examine this interaction in spatial Stroop tasks across various stimuli and spatial dimensions.

Main Methods:

  • Conducted a preregistered set of four experiments.
  • Manipulated alertness levels in participants.
  • Utilized variants of the spatial Stroop task with stimuli like arrows and words, focusing on horizontal and vertical dimensions.

Main Results:

  • Significant alerting-congruency interactions for response times were observed in all experiments.
  • These interactions were consistent regardless of stimulus type (arrows or words).
  • The findings held true across different spatial dimensions (horizontal or vertical).

Conclusions:

  • The alerting-congruency interaction is general and not limited to specific stimuli or spatial dimensions.
  • Spatial attention and spatial information processing appear to be significant contributors to this interaction.
  • The findings provide insights into the relationship between alertness and cognitive control.