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The clone devaluation effect: A new uncanny phenomenon concerning facial identity
Fumiya Yonemitsu1,2, Kyoshiro Sasaki3, Akihiko Gobara4,5
1Graduate School of Human-Environment Studies, Kyushu University, Fukuoka, Fukuoka, Japan.
Humanoid robots are advancing, raising questions about identical faces. Studies reveal that seeing multiple identical faces (clone images) evokes eeriness, a phenomenon termed "clone devaluation effect," linked to perceived facial duplication and identity.
Area of Science:
- Cognitive Psychology
- Human-Robot Interaction
- Social Psychology
Background:
- Robotic advancements are creating human-like robots, challenging the uncanny valley.
- The potential for mass-produced, identical humanoid faces raises questions about human perception.
- Understanding reactions to duplicated appearances is crucial for future human-robot and human-human interactions.
Purpose of the Study:
- To investigate the impressions elicited by images of people with identical faces (clone images).
- To identify and name the phenomenon of negative impressions from clone images.
- To explore the underlying psychological mechanisms driving this effect.
Main Methods:
- Conducted six studies examining participant responses to clone images versus images of individuals with distinct faces.
- Analyzed factors influencing the clone devaluation effect, including perceived facial duplication, identity, and context.
- Assessed the relationship between the effect and psychological constructs like disgust sensitivity and avoidance reactions.
Main Results:
- Consistently found that clone images elicited significantly higher eeriness compared to non-clone images.
- Named this phenomenon the 'clone devaluation effect', directly linked to the perceived improbability of facial duplication.
- Identified correlations with facial distinguishability, identity duplication, background context, and disgust-driven avoidance.
Conclusions:
- The clone devaluation effect demonstrates a negative psychological response to duplicated human faces.
- This effect is a complex interplay of memory, emotion, and face recognition systems.
- Findings have implications for the design of humanoid robots and understanding social perceptions in increasingly digitized environments.
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