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Social experience drives the development of holistic face processing in paper wasps
Juanita Pardo-Sanchez1, Elizabeth A Tibbetts2
1Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI, USA.
Animal Cognition
|September 6, 2022
Summary
Paper wasps rapidly develop holistic face processing, a mechanism where facial features are processed as a whole. Experience, not just age, is key for this rapid development in young wasps.
Area of Science:
- Behavioral Ecology
- Neuroethology
- Comparative Cognition
Background:
- Face recognition relies on feature identification or holistic processing, where features form a unified gestalt.
- Holistic processing is thought to require extensive experience, but its development alongside age is not well understood.
Purpose of the Study:
- To investigate how age and social experience influence the development of holistic face processing in Polistes fuscatus paper wasps.
- To determine the role of experience versus age in the transition from featural to holistic face processing.
Main Methods:
- Compared face processing in three groups of paper wasps: young (1-week-old), older experienced (2-weeks-old), and older inexperienced (2-weeks-old, socially isolated).
- Assessed the use of holistic versus featural processing mechanisms for discriminating conspecific faces.
Main Results:
- Older, experienced wasps utilized holistic processing for face discrimination.
- Older, inexperienced wasps relied on featural processing, indicating experience is crucial.
- Young wasps showed developing holistic processing, less refined than experienced adults.
Conclusions:
- Polistes fuscatus paper wasps rapidly develop holistic face processing within two weeks of normal social experience.
- Experience, rather than chronological age, is the primary driver for the development of holistic face processing in this species.
- This rapid development contrasts with the longer experience suggested for humans, highlighting unique adaptations in wasp cognition.
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