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Perception01:28

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Perception is a fundamental psychological process that enables individuals to organize, interpret, and consciously experience sensory information. This process is crucial for understanding and interacting with the world around us. It includes both bottom-up and top-down processing, each playing a distinct role in how we perceive our environment.
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While variables are sometimes correlated because one does cause the other, it could also be that some other factor, a confounding variable, is actually causing the systematic movement in our variables of interest. For instance, as sales in ice cream increase, so does the overall rate of crime. Is it possible that indulging in your favorite flavor of ice cream could send you on a crime spree? Or, after committing crime do you think you might decide to treat yourself to a cone?
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Internal attentional window affects the processing of external stimuli depending on predictability.

Yujeong Kim1, Su Keun Jeong2

  • 1Department of Psychology, Chungbuk National University, Chungdae-ro 1 Seowon-gu, Cheongju, 28644, Chungcheongbuk-do, Korea.

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Internal attention influences external perception when its breadth is predictable. This study clarifies how internal attentional window size impacts processing external stimuli, especially with consistent task contexts.

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Attentional windowExternal attentionInternal attentionPredictabilityWorking memory

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Attention Studies

Background:

  • External attention processes perceptual information, while internal attention uses memory representations.
  • Previous research indicated interactions between external and internal attention.
  • A prior study found no effect of internal attentional window breadth on external stimulus processing.

Purpose of the Study:

  • To investigate if internal attentional window breadth affects external stimulus processing under predictable conditions.
  • To re-examine the interaction between internal and external attention using a modified experimental design.
  • To determine if predictable task contexts modulate the influence of internal attention on external perception.

Main Methods:

  • Adapted Lim and Pratt's (2023) experimental paradigm.
  • Kept internal attentional window breadth and flanker distance consistent within blocks.
  • Participants performed a flanker task while maintaining internal working memory arrays.

Main Results:

  • Flanker processing was disrupted when distractors fell within the internal attentional window.
  • This disruption occurred specifically when the internal attentional window breadth was predictable.
  • Predictability of the attentional window enhanced the effect of internal attention on external stimulus processing.

Conclusions:

  • Internal attention significantly affects external stimulus processing when task context is predictable.
  • Top-down knowledge of the task context modulates the interaction between internal and external attention.
  • The breadth of the internal attentional window plays a crucial role in external perception under predictable conditions.