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Related Experiment Video

Updated: Jan 11, 2026

A Method to Quantify Visual Information Processing in Children Using Eye Tracking
09:47

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Visual field asymmetries develop throughout adolescence.

Marisa Carrasco1,2, Caroline Myers1,3, Mariel Roberts1,4

  • 1Department of Psychology, New York University, New York, NY 10003, USA.

Iscience
|November 17, 2025
PubMed
Summary
This summary is machine-generated.

Visual perception in adolescents shows gradual development of horizontal-vertical anisotropy and vertical meridian asymmetry. These visual processing differences mature fully by late adolescence, matching adult levels.

Keywords:
Developmental neurosciencePsychologySensory neuroscience

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Area of Science:

  • Visual Neuroscience
  • Human Perception
  • Developmental Psychology

Background:

  • Visual perception in adults exhibits horizontal-vertical anisotropy (HVA) and vertical meridian asymmetry (VMA).
  • Children demonstrate HVA but lack VMA, suggesting developmental changes in visual processing.

Purpose of the Study:

  • To investigate the developmental trajectory of HVA and VMA during adolescence.
  • To determine if VMA emerges in adolescence or only in adulthood.

Main Methods:

  • Assessed visual performance across different polar angles and meridians in adolescent participants.
  • Quantified the extent of horizontal-vertical anisotropy (HVA) and vertical meridian asymmetry (VMA).

Main Results:

  • Both HVA and VMA showed gradual development throughout the adolescent period.
  • The magnitude of HVA and VMA in late adolescence approached that observed in adults.

Conclusions:

  • Visual processing asymmetries (HVA and VMA) are not static but develop progressively during adolescence.
  • The full emergence of VMA occurs during adolescence, not solely in adulthood.