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Related Concept Videos

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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Subliminal Perception01:15

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When we hold a stereotype about a person, we have expectations that he or she will fulfill that stereotype. A self-fulfilling prophecy is an expectation held by a person that alters his or her behavior in a way that tends to make it true. When we hold stereotypes about a person, we tend to treat the person according to our expectations. This treatment can influence the person to act according to our stereotypic expectations, thus confirming our stereotypic beliefs. Research by Rosenthal and...
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According to obedience research, we may harm others under the forceful pressures of an authority figure (Milgram, 1974). How about if the inappropriate orders were delivered with less force? The increasing interdependence between nurses and physicians compelled Hofling and his colleagues to explore nurses’ reactions to a potentially harmful medical request made by the perceived authority figure, the doctor (Hofling, Brotzman, Dalrymple, Graves, & Pierce, 1966). In this situation,...
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Is There a Chastity Belt on Perception?

Jessica K Witt1, Nathan L Tenhundfeld1, Michael J Tymoski1

  • 1Department of Psychology, Colorado State University.

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Summary

Your physical abilities directly shape how you perceive the world. This study demonstrates that the capacity to perform an action, like blocking a ball, influences perceived speed, even when participants try to counteract this effect.

Keywords:
embodied perceptionopen dataopen materialsperception and actionresponse biasspatial perception

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Area of Science:

  • Cognitive Psychology
  • Perception Science
  • Action-Specific Account

Background:

  • The action-specific account proposes that perception is influenced by an individual's motor abilities.
  • Alternative theories suggest nonperceptual processes, like response bias, explain these effects.
  • Previous research has often employed different methodologies, hindering direct comparison.

Purpose of the Study:

  • To investigate whether action capabilities influence spatial perception, specifically perceived speed.
  • To rigorously test the action-specific account against response bias explanations using established methods from both sides of the debate.
  • To determine if the action-specific effect persists even when participants are aware of the hypothesis and instructed to resist it.

Main Methods:

  • Utilized the Pong task, known for demonstrating robust action-specific effects.
  • Employed post-experiment surveys, a standard method for assessing response bias.
  • Conducted experiments with participants naive to the hypothesis and with those explicitly informed and instructed to resist bias.

Main Results:

  • The ability to block a moving ball significantly affected its perceived speed, even in participants unaware of the hypothesis.
  • This perceptual influence remained even when participants were informed about the hypothesis and instructed to counteract it.
  • The findings challenge response-bias explanations by demonstrating a persistent effect under controlled conditions.

Conclusions:

  • Action capabilities demonstrably influence perceptual judgments, supporting the action-specific account.
  • The perceived speed of a moving object is modulated by the observer's ability to interact with it.
  • These findings highlight the embodied nature of perception, where motor abilities are intrinsically linked to sensory processing.