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Investigating the relation between imagery and perception: evidence from face priming
R Cabeza1, A M Burton, S W Kelly
1Rotman Research Institute of Baycrest Centre, University of Toronto, Canada.
Summary
This study shows that visual perception and mental imagery are distinct cognitive processes. While seeing faces aids visual tasks and imagining faces aids mental tasks, they do not directly influence each other.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Human Perception
Background:
- The relationship between visual perception and mental imagery is a complex area of cognitive research.
- Previous studies have explored how sensory experiences influence cognitive tasks, but the specific interplay between seeing and imagining faces requires further investigation.
Purpose of the Study:
- To investigate the dissociability of visual perception and mental imagery using face priming paradigms.
- To determine if visual perception and mental imagery interact or operate independently in face recognition tasks.
Main Methods:
- Two experiments involved participants viewing or imagining celebrity faces before undergoing speeded perceptual or imagery tests.
- A subsequent set of experiments examined the impact of imagining faces on face-naming and partial-face familiarity judgment tasks.
Main Results:
- Viewing faces facilitated perceptual tasks, while imagining faces primed imagery tasks, demonstrating a dissociation.
- No priming effect was observed between seeing and imagining faces, further supporting their distinct nature.
- Prior mental imagery of faces positively influenced subsequent face-naming and familiarity judgment tasks.
Conclusions:
- Visual perception and mental imagery are dissociable cognitive functions in healthy individuals.
- Mental imagery can facilitate subsequent performance on specific face-related tasks, suggesting its role in cognitive processing.
- These findings have implications for understanding the underlying mechanisms of face recognition models.