Kernel Factsheet — Physiological Kernel

Reinforced Reduced TV Time


  • Family

Developmental Phases

  • Infancy and Toddlerhood
  • Early Childhood
  • Childhood
  • Early Adolescence
  • Adolescence
  • Emerging Adulthood


Relatively low

Performance and Impact

When parents significantly reduce use of these things—especially in children’s bedrooms—children and teens are healthier, less irritable, do better in school and less likely to get into all manner of trouble.