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Related Experiment Video

Updated: May 10, 2026

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues
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Plasticity of face processing in infancy.

O Pascalis1, L S Scott, D J Kelly

  • 1LGF Group, Department of Psychology, University of Sheffield, Sheffield S10 2TP, United Kingdom. o.pascalis@sheffield.ac.uk

Proceedings of the National Academy of Sciences of the United States of America
|March 26, 2005
PubMed
Summary
This summary is machine-generated.

Early exposure to non-native faces, like those of Barbary macaques, helps infants maintain the ability to discriminate these faces. This research highlights the critical role of early experience in shaping face processing abilities.

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Related Experiment Videos

Last Updated: May 10, 2026

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Experience is Instrumental in Tuning a Link Between Language and Cognition: Evidence from 6- to 7- Month-Old Infants' Object Categorization

Published on: April 19, 2017

Area of Science:

  • Developmental Psychology
  • Cognitive Neuroscience
  • Comparative Psychology

Background:

  • Early life experience significantly shapes perceptual and cognitive functions, including speech perception.
  • Infant speech sound discrimination abilities are tuned to native languages by 6-10 months.
  • Prior research suggests early non-native language exposure can maintain foreign speech sound discrimination.

Purpose of the Study:

  • To investigate if early experience with non-native faces influences infants' ability to discriminate them.
  • To determine if exposure to monkey faces affects discrimination abilities in human infants aged 6-9 months.

Main Methods:

  • Infants aged 6-9 months were exposed to non-native faces (Barbary macaques).
  • Discrimination abilities for monkey faces were assessed following this exposure.
  • Comparison with typical developmental trajectories of face discrimination was made.

Main Results:

  • Exposure to non-native monkey faces facilitated discrimination of these faces in infants.
  • This facilitation maintained an ability that typically declines around 9 months of age.
  • Results indicate experience actively sculpts face processing systems.

Conclusions:

  • Early visual experience with non-native faces is crucial for maintaining discrimination abilities.
  • These findings support and expand upon the role of experience in early face processing development.
  • The study provides evidence for experience-dependent development in primate face recognition.