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Graspable Objects Grab Attention More Than Images Do.

Michael A Gomez1, Rafal M Skiba1,2, Jacqueline C Snow1

  • 11 Department of Psychology, University of Nevada, Reno.

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|December 8, 2017
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Summary
This summary is machine-generated.

Real objects, unlike images, significantly impact attention and manual responses due to their action affordances. This challenges the use of object images as direct substitutes for real items in psychological studies.

Keywords:
2-D imagesaffordanceattentionreal-world objectsstereoscopic images

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Area of Science:

  • Cognitive Psychology
  • Perception Research
  • Human-Computer Interaction

Background:

  • Previous research assumed object images elicit comparable cognitive effects to real objects.
  • The concept of affordance, or an object's action possibilities, is central to object interaction.
  • The role of physical affordances in modulating attention and behavioral responses remains under-explored.

Purpose of the Study:

  • To compare the effects of real objects versus their 2-D and 3-D images on attention and response times.
  • To investigate whether physical accessibility influences the impact of object affordances.
  • To question the validity of using object images as proxies for real objects in psychological research.

Main Methods:

  • A flanker task was employed to measure interference effects and response times.
  • Participants' responses to real, graspable objects were compared with responses to 2-D and 3-D images of the same objects.
  • Experiments included conditions where real objects were made inaccessible (out of reach or behind a barrier).

Main Results:

  • Real, graspable objects produced significantly slower response times and greater flanker interference compared to both 2-D and 3-D images.
  • When real objects were inaccessible, response times and interference patterns mirrored those observed for 2-D images.
  • Physical affordances for manual interaction demonstrably enhance object influence on attention and motor responses.

Conclusions:

  • Graspable objects have a stronger influence on attention and manual responses than their pictorial representations.
  • The physical affordances of objects are critical for their impact on cognitive and behavioral processes.
  • The suitability of using images as direct proxies for real objects in psychological research requires re-evaluation.