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Generating Strictly Controlled Stimuli for Figure Recognition Experiments
Published on: March 18, 2019
The effect of recognizability on figure-ground processing: does it affect parsing or only figure selection?
1Department of Psychology, University of Haifa, Haifa, Israel. dnavon@psy.haifa.ac.il
Quarterly Journal of Experimental Psychology (2006)
|November 12, 2010
Summary
Object recognition may begin before figure-ground segregation is complete. Recognizability effects were strongest with minimal organizational quality, supporting early interaction between recognition and parsing processes.
Area of Science:
- Cognitive Psychology
- Visual Perception
- Neuroscience
Background:
- Figure-ground assignment is crucial for visual processing.
- The relationship between object recognition and figure-ground segregation is debated.
- It is unclear if object recognition can precede complete figure-ground segregation.
Purpose of the Study:
- To investigate if rudimentary object recognition can occur before figure-ground segregation is fully completed.
- To test the hypothesis that object recognition processing interacts with early parsing stages.
Main Methods:
- Participants performed a go/no-go task on familiar visual stimuli.
- Organizational quality was manipulated by varying frame greyness.
- Stimulus recognizability was manipulated by changing orientation angles.
Main Results:
- The effect of stimulus recognizability was significantly larger under conditions of minimal organizational quality (faint frame).
- This finding contradicts serial models where recognition only begins after sufficient organization.
- Results support an "early interaction hypothesis".
Conclusions:
- Object recognition processing appears to interact with earlier parsing processes, not strictly follow them.
- Visual perception involves an interplay between recognition and organizational quality.
- The findings challenge traditional serial models of visual object recognition.
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