How does unhealthy screen use affect cognitive, psychological outcomes?

Investigators examined the relationship between various contexts of screen use in early childhood and cognitive and psychological outcomes.

In a study, published in JAMA Pediatrics, the investigators conducted a systematic review and meta-analysis using seven databases. They identified 100 observational studies, experimental studies and randomized controlled trials focusing on the associations between contextual factors of screen use and cognitive and psychological development in 176,742 children aged 0 to less than 6 years.

The investigators found that program viewing and background television exposure were both negatively associated with cognitive outcomes, whereas program viewing, age-inappropriate content and caregiver screen use were all negatively associated with psychological outcomes. However, co-use of screen media was positively linked to cognitive outcomes.

The findings suggested that recommendations for healthy screen use in early childhood should consider contexts beyond time limits. The investigators emphasized the need to encourage intentional and productive screen use, age-appropriate content and co-use with caregivers.

Read more: JAMA Pediatrics

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