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Gaze in Action: Head-mounted Eye Tracking of Children's Dynamic Visual Attention During Naturalistic Behavior
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Gaze in Action: Head-mounted Eye Tracking of Children's Dynamic Visual Attention During Naturalistic Behavior

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Developmental changes in visual-cognitive and attentional functions in infancy

Kaori Koyano1, Yukihiko Konishi1, Kosuke Koyano1

  • 1Department of Pediatrics, Faculty of Medicine, Kagawa University, Japan.

Early Human Development
|June 29, 2023
PubMed

Insights

Infant visual-cognitive and attentional development was studied using gaze-tracking. Younger infants showed less attention shifting and preference, suggesting these tasks aid early neurodevelopmental disorder diagnosis.

Area of Science:

  • Developmental Psychology
  • Cognitive Neuroscience
  • Pediatric Ophthalmology

Background:

  • Early identification of neurodevelopmental disorders like Autism Spectrum Disorder (ASD) and Attention-Deficit/Hyperactivity Disorder (ADHD) is crucial.
  • Understanding visual-cognitive and attentional development in infancy is key for early diagnosis.

Purpose of the Study:

  • To investigate developmental changes in visual-cognitive and attentional functions in infants aged 3 to 36 months.
  • To establish normative data for infant visual attention and cognitive processing.

Main Methods:

  • A cross-sectional study involving 23-31 infants per age group (3, 9, 18, 36 months).
  • Utilized a gaze-tracking device to assess infant responses in three tasks: re-gaze, motion transparency, and color-motion integration.
  • Analyzed attentional shifts to peripheral stimuli and preferences for specific visual stimuli (motion direction, color-luminance integration).

Main Results:

  • Three-month-olds demonstrated fewer attentional shifts in the re-gaze task compared to older infants.
  • All age groups preferred target stimuli in the motion transparency task.
  • Three-month-olds showed significantly lower preference for integrated color-motion stimuli, indicating developmental differences.

Conclusions:

  • The studied tasks effectively measure visual-cognitive and attentional development in infants.
  • These assessments hold potential for early detection of developmental delays and neurodevelopmental disorders.
  • Findings highlight specific developmental trajectories in visual attention and cognitive integration during the first year of life.
Abstract

Keywords:
Eye trackerInfantSubjective contours from apparent motionTransparent motion

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