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Multiple paths to holistic processing: Holistic processing of Gestalt stimuli do not overlap with holistic face
Kim M Curby1,2, Mengjie Huang3, Denise Moerel3
1Department of Psychology, Macquarie University, Sydney, NSW, 2109, Australia. kim.curby@mq.edu.au.
Attention, Perception & Psychophysics
|December 21, 2018
Summary
Holistic processing of novel stimuli with Gestalt cues does not interfere with face processing. This suggests distinct mechanisms underlie the holistic processing of faces versus novel visual stimuli.
Area of Science:
- Cognitive Psychology
- Visual Perception
- Neuroscience
Background:
- Holistic processing, crucial for recognizing faces and expert objects, was previously thought to be stimulus-specific.
- Recent research indicates holistic processing extends to novel stimuli with salient Gestalt perceptual grouping cues.
- The mechanistic overlap between holistic processing of faces and novel stimuli remains unclear.
Purpose of the Study:
- To investigate the mechanistic overlap between the holistic processing of faces and novel stimuli featuring Gestalt cues.
- To determine if concurrent holistic processing of these distinct stimulus categories influences each other.
Main Methods:
- Utilized a two-back interleaved part-matching task, a paradigm previously employed to study face and object expertise processing.
- Assessed the impact of concurrent holistic processing of Gestalt stimuli on face holistic processing (Experiment 1).
- Assessed the impact of concurrent holistic processing of face stimuli on Gestalt stimuli holistic processing (Experiment 2).
Main Results:
- Concurrent holistic processing of salient Gestalt stimuli did not affect face holistic processing.
- Holistic processing of face stimuli did not impact the holistic processing of Gestalt stimuli.
- These findings indicate a lack of mechanistic overlap between the two processing types.
Conclusions:
- The holistic processing of faces and novel Gestalt stimuli appear to rely on distinct underlying mechanisms.
- This contrasts with the established mechanistic overlap observed between face and object-of-expertise processing.
- Further research is needed to elucidate the specific neural and cognitive accounts for these observed differences.
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