The study showed a decline in attention, memory, reading and maths skills, problem-solving abilities and overall IQ. “They are predictable effects of highly stimulating technologies – and all the social media companies know about interacting with developing brains. “Too much screentime also reduces physical movement and outdoor play and puts a strain on the eyes, posture and overall physical wellbeing. In our programme, students learn that dopamine motivates repetition, and social media platforms are deliberately designed to trigger it. “So, digital literacy has to include understanding that social media companies are competing for attention because attention equals profit.

Source: The Irish Times March 24, 2026 10:33 UTC