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Measuring Attention and Visual Processing Speed by Model-based Analysis of Temporal-order Judgments
Published on: January 23, 2017
Implicit identification of irrelevant local objects interacts with global/local processing of hierarchical stimuli
1Groupe d'Imagerie Neurofonctionnelle (GIN) UMR 6194, CNRS, CEA, Univ. Caen and Univ. Paris V, France.
Acta Psychologica
|April 1, 2006
Summary
Automatic object identification can reverse the global precedence effect in visual perception. When irrelevant visual information consists of objects, global processing is prioritized over local details, impacting how we perceive differences.
Area of Science:
- Cognitive Psychology
- Visual Perception
- Neuroscience
Background:
- The global precedence effect describes the tendency to perceive global forms before local features.
- Automatic object identification is a fundamental cognitive process influencing visual perception.
Purpose of the Study:
- To investigate the interaction between automatic object identification and the global precedence principle.
- To determine how object recognition influences the processing of hierarchical visual stimuli.
Main Methods:
- A visual paradigm presenting hierarchically organized items (global/local forms) was used.
- Participants identified similarities or differences between pairs of hierarchical items.
- The nature of forms (objects vs. non-objects) at global and local levels was manipulated.
Main Results:
- The global precedence effect was reversed when the irrelevant visual level consisted of objects.
- When the target level involved objects or the irrelevant level contained non-objects, the global precedence principle remained intact.
- These findings suggest an interplay between automatic identification and structural analysis in visual tasks.
Conclusions:
- Automatic object identification significantly modulates the global precedence effect.
- Two parallel processes, automatic identification and structural analysis, interact during visual difference detection.
- This interaction can lead to either interference or cooperation in perceptual tasks.
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