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The Secret Life of Screens: AI, Emotion, and the Teen Brain [With Dr Jacqueline Nesi]

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Teens are forming emotional bonds — not just online, but with AI companions. In this episode, Dr Justin Coulson talks with Brown University psychologist Dr Jacqueline Nesi, author of Techno Sapiens, about the fast-growing world of AI “friendships” and what they mean for kids’ mental health. They also unpack Jackie’s latest research revealing how often teens check their phones — and how it’s shaping their moods.

It’s a must-listen for parents navigating the blurred lines between connection, distraction, and dependence in the digital age.

KEY POINTS

  • 72% of teens have used an AI companion; over half use one regularly.
  • AI chatbots are designed to keep kids engaged — often prioritising screen time over wellbeing.
  • For some vulnerable kids, AI chats can feel like friendship or therapy — but they aren’t replacements for real connection.
  • Australia’s new social-media age-limit laws may help, but implementation and design flaws remain.
  • Teens check their phones an average of 112 times a day — once every 10 minutes!
  • Frequent phone checking is linked with greater emotional ups and downs.
  • Teens who are less mindful tend to reach for their phones more after bad days — using screens as emotional regulation tools.
  • What matters most: how kids use technology and who they are, not just how much.

QUOTE OF THE EPISODE

“The effects of smartphones on mood and wellbeing are complicated — it’s not that phones are simply bad, it’s about who’s using them and how.”

RESOURCES MENTIONED

ACTION STEPS FOR PARENTS

  1. Ask your kids how they use AI or chatbots — listen before you lecture.
  2. Check your family’s phone “pickups” using Screen Time or Digital Wellbeing.
  3. Practise mindfulness together — simple breathing, no-tech walks, or screen-free meals.
  4. Talk about emotional regulation — help kids notice when they’re using tech to cope.
  5. Model balance — show that your phone doesn’t rule you either.
 
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