The Opportunity Cost
The Displacement Hypothesis
The danger isn't just in what screens do to the brain, but what they take away from life. Time is a zero-sum game.
Every hour spent on a device is an hour displaced from critical developmental activities.
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Physical Resilience 1 hour of screen time displaces approx. 45 mins of physical play. Source: Telethon Kids Institute (2023)
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Deep Sleep Architecture Blue light suppresses melatonin, delaying sleep onset by 30-60 mins. Source: Australian National Univ. (2024)
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Social Nuance & Focus Heavy use correlates with lower scores in reading non-verbal social cues. Source: Macquarie University (2023)
The "Displacement" Effect
Comparison: 1hr/day User vs 4hr/day User
Data model based on Telethon Kids & eSafety Reports (2023-24)