What's happening?
Her message to the group chat gets two reactions; her friend's gets ten. The chat goes quiet after she says something, and she's sure it was the wrong thing. Friendships that used to pause when the school day ended now keep going until bedtime.
None of this means she's shallow. Many popular apps require users to be 13, but group chats, reactions and shared photos reach plenty of 12-year-olds anyway. Part of her social world has moved onto a screen, where reactions are faster, more public and easy to count.
What's behind it?
In one study, teens 13 to 18 lay in a brain scanner looking at what they believed was an Instagram feed. They were more likely to like a photo when it already showed lots of likes, even when the photo showed something risky. And when their own photos seemed to get many likes, brain areas linked with reward became more active. A like isn't just a tap. It's a clear, countable signal of what the group approves of, and teens respond to it.
Why does a number land so hard? Face to face, she has to read people's reactions, and she can tell herself the kindest version. Online, the count does the reading for her. As the lead researcher put it, with likes there's no ambiguity. And this arrives at an age when simply being seen already feels bigger than it will later on.
Timing may matter, too. A large UK study that followed more than 17,000 young people found that girls who used social media more around ages 11 to 13 reported slightly lower life satisfaction a year later. For boys, that sensitive window came later, around 14 to 15. The researchers suggest this may be linked to puberty and brain development, which tend to start earlier in girls. The link also ran the other way: young people who were less satisfied went on to use more social media. These were small, average effects. Plenty of girls use social media and do fine, and some benefit from it.
So the most useful question may not be only "How much time?" It's what that time is doing for her: keeping her connected to friends, or keeping her checking a scoreboard.
What this might look like
She sends a photo to the group chat before dinner and checks her phone three times before dessert. When you ask why, she says, "Nobody's reacted yet."
Something to try today
Ask about the experience, not just the hours: "What's the best part of that chat? What's the part that stresses you out?" If she names something stressful, pick one small change together, like muting a chat at night or charging her phone outside her room.
When to step in
If time online comes with low mood, sleep trouble, or pulling away from friends and activities that lasts a few weeks or more, the National Institute of Mental Health suggests starting with her pediatrician. If someone online pressures her for photos or threatens her, act right away and don't leave her to handle it alone. If she ever talks about hurting herself, call or text 988, the Suicide & Crisis Lifeline, any time. Press 2 for Spanish.
One thing to remember
A like is a tiny, countable vote, and at this age she can feel every one. Help her notice what the scoreboard is doing to her, not just how long she's looking at it.
The research behind this
Original sources and research limitations
Ages are a guide, not a deadline. These findings describe groups, not every individual child. The examples and suggestions are Neon Pink editorial ideas.
What the research found: Teens 13 to 18 were more likely to like photos that already had many likes, and seeing many likes on their own photos activated reward-related brain regions. In a large UK study, girls' higher social media use at ages 11 to 13 (boys' at 14 to 15) predicted slightly lower life satisfaction a year later; lower life satisfaction also predicted more use, at all ages. The authors link the different windows to development, including puberty.
Who was studied or consulted: 34 teens ages 13 to 18 (18 girls) using a simulated Instagram feed (Sherman, Payton, Hernandez, Greenfield & Dapretto, Psychological Science, 2016; abstract and methods via UCLA author copy) · more than 17,000 UK participants ages 10 to 21, followed over time (Orben et al., Nature Communications, 2022; University of Essex listing and University of Oxford summary; University of Cambridge press release) · lead researcher's comments on likes (UCLA press release).
What it doesn't tell us: The brain study was small, used a simulated app and included only teens 13 and older. The UK findings are self-reported averages with small effects, and they can't show that social media caused a change in any one girl. Apps have changed since both studies.
Also drawn on: AAP Center of Excellence, Impact of social media on adolescent girls' development · NIMH, Children and Mental Health: Is This Just a Stage? · SAMHSA, 988 Suicide & Crisis Lifeline. The photo example, questions and suggestions are Neon Pink's.
Read the sources
- Sherman, Payton, Hernandez, Greenfield & Dapretto, Psychological Science, 2016
- UCLA author copy
- Orben et al., Nature Communications, 2022
- University of Essex listing
- University of Oxford summary
- University of Cambridge press release
- UCLA press release
- AAP Center of Excellence, Impact of social media on adolescent girls' development
- NIMH, Children and Mental Health: Is This Just a Stage?
- SAMHSA, 988 Suicide & Crisis Lifeline