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PubMed · 546489

Development of visual resolution.

R Held
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Child DevelopmentChild, PreschoolHumansInfantVision DisordersVisual AcuityVisual CortexVisual PerceptionJournal ArticleResearch Support, U.S. Gov't, P.H.S.

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R Held. 1979. Development of visual resolution.. https://doi.org/10.1037/h0081721

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PubMed2000

Recognition of television images as a developmental milestone in young children: observational study.

OBJECTIVES: To determine the age at which children with apparently normal development can recognise the television image of a cat, dog, or baby. DESIGN: Observational study. SETTING: District general hospital in north London. SUBJECTS: 797 children with apparently normal development aged between 8 and 23 months and 26 children with Down's syndrome aged 18 months. OUTCOME MEASURES: Whether or not the child recognised the television image of a cat, dog, or baby by naming, imitating, or pointing at the image. RESULTS: By 18 months of age 96% (95% confidence interval 94% to 98%) of normal children recognised the television image of a cat, dog, or baby compared with 5 of 26 (19%) children with Down's syndrome. CONCLUSION: Recognition of the television image of a cat, dog, or baby is a simple milestone, which may help in the developmental assessment of young children.

Child Development↗