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Related Experiment Video

Updated: May 14, 2026

Creating Objects and Object Categories for Studying Perception and Perceptual Learning
14:38

Creating Objects and Object Categories for Studying Perception and Perceptual Learning

Published on: November 2, 2012

Implicit face prototype learning from geometric information.

Charles C-F Or1, Hugh R Wilson

  • 1Centre for Vision Research, York University, 4700 Keele Street, Toronto, Ontario, Canada. charles.or@psych.ucsb.edu

Vision Research
|February 19, 2013
PubMed
Summary
This summary is machine-generated.

Humans implicitly learn face prototypes from studied geometric faces. This prototype effect, where an average unseen face is falsely recognized as learned, is robust and long-lasting, demonstrating general geometric face learning.

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Area of Science:

  • Cognitive Psychology
  • Computational Neuroscience
  • Computer Vision

Background:

  • Human face perception involves implicit learning of average representations.
  • Previous research suggests a prototype effect in face recognition.

Purpose of the Study:

  • To investigate the extent and nature of face prototype formation using geometrically defined synthetic faces.
  • To determine if implicit prototype learning occurs in a multidimensional face space.

Main Methods:

  • Observers studied synthetic faces in a multidimensional face space.
  • Memory was tested for studied faces, unseen prototypes, and distractors.
  • Statistical models were used to analyze prototype and exemplar memory.

Main Results:

  • An unseen face prototype was falsely recognized as learned at 86.3%.
  • Studied faces were correctly identified 66.3% of the time.
  • Prototype learning persisted for at least one week and generalized across viewpoints.

Conclusions:

  • Implicit face prototype extraction is a general aspect of geometric face learning.
  • Prototype memory forms alongside memory for individual face exemplars.
  • Both head shape and internal features contribute to prototype formation.