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Hemispheric asymmetry in holistic processing of words
Paulo Ventura1, João Delgado1, Miguel Ferreira1
1a Faculdade de Psicologia , Universidade de Lisboa, Alameda da Universidade , Lisboa , Portugal.
Laterality
|May 15, 2018
Summary
The right hemisphere specializes in holistic word processing, treating words as unified wholes, not isolated parts. This suggests domain-general expertise in visual perception.
Area of Science:
- Cognitive Neuroscience
- Visual Perception
- Hemispheric Specialization
Background:
- Holistic processing, viewing stimuli as a unit, is a hallmark of face perception.
- Previous research suggests right hemisphere dominance for holistic face processing.
- Holistic processing extends beyond faces to other categories like words.
Purpose of the Study:
- To investigate hemispheric contributions to holistic word processing.
- To determine if right hemisphere dominance for holistic processing applies to words.
Main Methods:
- Utilized divided visual field presentation to assess hemispheric processing.
- Employed the complete composite paradigm with same/different judgments on cued word parts.
- Presented words sequentially to observers.
Main Results:
- Data indicated a right hemisphere specialization for holistic word processing.
- Observers showed a tendency to process word parts within a perceptual unit.
Conclusions:
- Holistic word processing is specialized in the right hemisphere.
- These findings suggest that holistic processing is a domain-general mechanism for expert object recognition.
Keywords:
Complete composite taskPortuguese wordsdivided visual field paradigmhemispheric asymmetriesholistic word processingMore Related Videos
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