The automatic uncanny valley phenomenon: task-irrelevant shape dimensions reduce the likeability of morphed figures.

Humans experience a sense of uncanniness when encountering human-like robots, a phenomenon known as the uncanny valley. Although the underlying mechanism remains unclear, the categorization failure hypothesis suggests that the visual system automatically attempts – but fails – to categorize the perc...

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Publicado en:Visual Cognition Vol. 33; no. 6; pp. 396 - 403
Autores principales: Sasaki, Kota, Ariga, Atsunori
Formato: pictorial research tables/charts Journal Article
Publicado: Taylor & Francis Ltd Jun2025
Acceso en línea:Ver este registro en EBSCOhost
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      dt: Jun2025
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      pub: Taylor & Francis Ltd
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        atl: The automatic uncanny valley phenomenon: task-irrelevant shape dimensions reduce the likeability of morphed figures.
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        au:
          Sasaki, Kota
          Ariga, Atsunori
        affil: Department of Psychology, Chuo University, Tokyo, Japan
      sug:
        subj:
          Visual Perception
          Cognition
          Facial Expression
          Emotions
          Task Performance and Analysis
          Human
          Funding Source
          Female
          Male
          Young Adult
          Two-Tailed Test
          Paired T-Tests
          Post Hoc Analysis
          Power Analysis
          Probability
          Color Perception
          Female
          Male
      ab: Humans experience a sense of uncanniness when encountering human-like robots, a phenomenon known as the uncanny valley. Although the underlying mechanism remains unclear, the categorization failure hypothesis suggests that the visual system automatically attempts – but fails – to categorize the perceived object, leading to a negative affective response. However, it remains uncertain whether this categorization process does indeed occur automatically. This study examined whether the uncanny valley effect is triggered automatically by a task-irrelevant dimension. Participants categorized the colour of a morphed figure that previously elicited the uncanny valley effect based on shape, and then rated its likeability. Despite successful colour-based categorization of the figure, participants exhibited the uncanny valley effect based on the task-irrelevant shape dimension. These findings imply that the visual system processes an object's shape automatically, and incorporates this information into affective evaluation, supporting the categorization failure hypothesis.
      pubtype: Academic Journal
      doctype:
        pictorial
        research
        tables/charts
        Journal Article
      ougenre: Article
    language: English
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