Infants' anticipatory eye movements: feature-based attention guides infants' visual attention

Shuma Tsurumi1,2,3, So Kanazawa4, Masami K Yamaguchi5

  • 1Department of Psychology, Chuo University, 742-1 Higashi-Nakano, Hachioji, Tokyo, 192-0393, Japan. stsurumi@let.hokudai.ac.jp.

Insights

Preverbal infants aged 7-8 months can use feature-based attention to focus on specific object features. This demonstrates early attentional selection abilities in infants, crucial for cognitive development.

Area of Science:

  • Cognitive Psychology
  • Developmental Psychology
  • Neuroscience

Background:

  • Feature-based attention allows selective focus on object characteristics.
  • While present in children, feature-based attention in preverbal infants is not well understood.

Purpose of the Study:

  • To investigate if preverbal infants (7-8 months) can utilize feature-based attention.
  • To determine if infants can direct attention endogenously based on learned features like color or orientation.

Main Methods:

  • Developed a novel anticipation-looking task for 60 preverbal infants aged 7-8 months.
  • Infants learned to associate a feature (color or orientation) with a target.
  • Experiment 2 used novel objects to confirm feature-based attention independent of object recognition.

Main Results:

  • Preverbal infants demonstrated the ability to direct attention endogenously to a specific feature.
  • Infants successfully selected target features amidst irrelevant ones, indicating feature-based attentional selection.
  • Attention was guided by familiarized features (color, orientation) even with novel objects.

Conclusions:

  • Preverbal infants aged 7-8 months possess feature-based attentional selection capabilities.
  • Infants can form anticipations and direct attention based on learned visual features.
  • This study provides foundational evidence for early attentional mechanisms in human development.