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Related Experiment Videos

A new visual-verbal saccade test: the development eye movement test (DEM).

R P Garzia1, J E Richman, S B Nicholson

  • 1School of Optometry, University of Missouri-St. Louis 63121.

Journal of the American Optometric Association
|February 1, 1990
PubMed
Summary

A new oculomotor test assesses automaticity in number naming, crucial for reading skills. This tool aids in diagnosing and managing visual learning problems in children.

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Area of Science:

  • Ophthalmology
  • Developmental Psychology
  • Educational Neuroscience

Background:

  • Current visual-verbal oculomotor tests lack assessment of number naming automaticity.
  • Automaticity of number naming strongly correlates with reading performance.
  • This gap limits the diagnostic utility for visually related learning difficulties.

Purpose of the Study:

  • Introduce a novel oculomotor test designed to isolate automaticity's impact on performance.
  • Provide normative data for children aged 6-13 years.
  • Establish the reliability and validity of the new test for clinical use.

Main Methods:

  • Development of a specialized oculomotor test incorporating a method to control for automaticity.
  • Collection of normative data from a pediatric cohort (ages 6-13).

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  • Assessment of test-retest reliability and construct/criterion validity.

    • Main Results:

    • The new test effectively differentiates oculomotor performance influenced by automaticity.
    • Normative data provide benchmarks for typical development in the target age range.
    • Reliability and validity analyses support the test's clinical utility.

    Conclusions:

    • The novel oculomotor test offers a valuable tool for assessing number naming automaticity.
    • This assessment can improve the diagnosis and management of visual-spatial learning disorders.
    • Clinical application holds potential for early intervention in reading and learning difficulties.