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[Interrelationship between the facial expression and familiarity: analysis using spatial filtering and inverted

R Nagayama1, H Yoshida, T Toshima

  • 1Department of Psychology, Faculty of Education, Hiroshima University, Kagamiyama, Higashihiroshima.

Shinrigaku Kenkyu : the Japanese Journal of Psychology
|December 1, 1995
PubMed
Summary

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Recognizing facial expressions and familiarity relies on middle spatial frequencies. Smiling faces are harder to identify when inverted, suggesting shared and distinct processing pathways.

Area of Science:

  • Cognitive Psychology
  • Visual Perception
  • Neuroscience

Context:

  • Facial recognition is crucial for social interaction.
  • Understanding how visual features like spatial frequency influence perception of facial expressions and familiarity is key.

Purpose:

  • To investigate the interrelationship between facial expression and familiarity recognition.
  • To examine the role of spatial filtering and image orientation in these recognition processes.

Summary:

  • Facial images (smiling and neutral) were spatial-filtered and presented upright or inverted.
  • Participants judged expression and familiarity.
  • Middle-range spatial frequencies (12.4 and 24.8 cycles/face-width) were vital for recognizing both expression and familiarity.
  • A close relationship between facial expression and familiarity was observed.

Related Experiment Videos

  • Smiling faces were less recognizable in inverted orientation.

    • Impact:

    • Suggests common and distinct neural processes for recognizing facial expression and familiarity.
    • Highlights the importance of spatial frequency information in face perception.
    • Provides insights into how image orientation affects the processing of social cues.