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Related Experiment Video

Updated: May 16, 2026

High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques
11:34

High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques

Published on: December 3, 2013

How Fast is Famous Face Recognition?

Gladys Barragan-Jason1, Fanny Lachat, Emmanuel J Barbeau

  • 1Centre de Recherche Cerveau et Cognition, Université de Toulouse, CNRS-UMR 5549 Toulouse, France.

Frontiers in Psychology
|November 20, 2012
PubMed
Summary
This summary is machine-generated.

Recognizing familiar faces is slower than expected, even under speed constraints. This suggests a hierarchical face processing system, with familiarity recognition being a later stage than basic categorization.

Keywords:
face detectionface recognitionfamiliarityfamous facesgender categorization

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Visual Perception

Background:

  • Rapid face recognition is vital for social interaction.
  • Previous studies lacked speed constraints, yielding unclear results on face recognition speed.
  • Existing research provides conflicting data on the speed of face recognition.

Purpose of the Study:

  • To determine the actual speed of face recognition under strict time constraints.
  • To compare face recognition speed with other fast visual tasks.
  • To investigate the hierarchical processing of facial information.

Main Methods:

  • Participants performed three timed tasks: familiarity categorization (famous vs. unknown faces), superordinate categorization (human vs. animal faces), and gender categorization.
  • Reaction times were measured under speed constraints for all tasks.
  • Data were analyzed to compare performance across different facial processing levels.

Main Results:

  • Face familiarity categorization (467 ms minimum reaction time) was significantly slower than superordinate categorization (180 ms slower) and gender categorization (160 ms slower).
  • These results were obtained despite the implementation of speed constraints.
  • Reaction times indicate distinct processing speeds for different levels of facial information.

Conclusions:

  • Face recognition, particularly familiarity assessment, is a relatively slow process compared to basic facial feature categorization.
  • Findings support a hierarchical model of face processing, progressing from general features to specific recognition.
  • Further research is needed to elucidate the cognitive processes occurring between initial face detection and final recognition.