Is Social Media Addictive? Understanding the Neuroscience, the Risks, and How to Support Young People
- Dean Harrison - Counselling Psychologist
- Dec 16
- 6 min read
By iflow Psychology — Gladesville, Sydney Evidence-based guidance for families navigating the digital world
Introduction: Why Everyone Is Talking About “Social Media Addiction”
We’re seeing families arrive with the same concern: a bright, capable teenager who can’t seem to put the phone down — and parents who feel they’re losing connection while trying to do the ‘right thing’. With Australia preparing to restrict social media access for under-16s, conversations about “social media addiction” have exploded. Parents are asking:
“Is my child addicted?”
“Why can’t they just stop scrolling?”
“Is this like gambling or drugs?”
“What if the upcoming ban makes things worse?”
The truth is nuanced.
Most young people are not “addicted” in the clinical sense. But a subset develop compulsive, high-risk patterns of use that mirror behavioural addictions such as gambling — and this is especially concerning in children and adolescents whose brains are still developing.
This article explains:
what social media addiction actually is
how platforms activate reward pathways in the brain
how emotional and developmental vulnerabilities sharpen the risk
why teens struggle more than adults
what the research says
what parents can do to reduce harm
This is a clinically informed, evidence-based, non-alarmist guide designed to help families understand the science and take practical action.

1. What Is Social Media Addiction? (And What It Isn’t)
“Social media addiction” is not formally listed as a disorder in the DSM-5, but psychologists widely recognise a pattern known as Problematic Social Media Use (PSMU) or Compulsive Social Networking Use.
It is best understood as a behavioural addiction, involving:
Salience: Social media becomes the dominant activity of the day.
Mood modification: Use is driven by the need to change emotional states — soothing boredom, anxiety, loneliness or distress.
Tolerance: Time spent online increases over time to achieve the same emotional effect.
Withdrawal: Irritability, restlessness, cravings or anxiety when access is removed.
Conflict: Strained relationships, school disruption, loss of sleep, secrecy, lying about use.
Relapse: A return to heavy use after attempted breaks.
This behavioural pattern is neurologically similar to gambling addiction, driven not by chemicals, but by reinforcement loops that hijack reward circuitry.
2. The Neuroscience: Why Social Media Is So Hard to Put Down
Decades of neuroscience research reveal three key mechanisms:
a. Dopamine & reward pathways
Every “like”, mention, comment, or notification delivers a dopamine hit to the brain’s reward centres — the same regions activated by:
gambling machines
certain recreational drugs
sugar
novelty-seeking behaviour
Social media platforms use variable-ratio reinforcement, the most addictive reward schedule known in behavioural science — the same pattern that makes poker machines highly compulsive.
The unpredictability (“Will someone like my post?”) amplifies the reward cycle.
b. Self-disclosure as a reward
Harvard neuroimaging research shows that talking about ourselves activates strong reward responses. Offline, people speak about themselves roughly 30–40% of the time. Online, that figure goes up to 80%.
This fuels a powerful self-reinforcement loop.
c. Algorithmic emotional amplification
Algorithms favour "click-bait":
emotionally charged content
high-arousal posts (anger, envy, excitement)
visually idealised images
attention-grabbing extremes
This means that adolescents — whose emotional processing is still developing — are exposed to a constantly heightened psychological environment.
3. Why Teens Are More Vulnerable than Adults
A young person is not simply a “smaller adult”. Their brain is undergoing rapid structural change.
Key vulnerabilities:
a. Underdeveloped impulse control
The prefrontal cortex (responsible for self-control) is still maturing into the mid-20s.
b. Hyperactive reward system
The adolescent brain responds more intensely to social rewards, including likes, messages, and peer approval.
The two factors above are why a 14-year-old can fully understand the rules at dinner, agree to them — and still find themselves scrolling under the table ten minutes later.
c. Heightened social sensitivity
Identity formation depends heavily on peer feedback — online platforms supercharge this.
d. Emotion regulation challenges
Teens use social media to cope with sadness, loneliness, boredom or anxiety, reinforcing dependency.
e. Social comparison effects
Teen girls are particularly vulnerable to impacts on:
body image
perfectionism
self-esteem
social anxiety
This is amplified by filtered images and algorithm-driven content.
4. The Mental Health Impacts: What the Evidence Shows
A carefully balanced reading of the research shows:
✔ Social media can negatively impact mental health when:
use is excessive
there is comparison to idealised images
cyberbullying occurs
sleep is disrupted
social displacement happens
emotional regulation depends on online feedback
✔ Some adolescents are more at risk, including:
those with anxiety or depression
neurodivergent youth
socially isolated teens
teens with body image concerns
teens with family conflict or trauma history
The abstinence paradox
The new 2025 meta-analysis you provided demonstrates:
Short-term abstinence does NOT improve:
positive affect
negative affect
life satisfaction
And in some cases, abstinence produced:
more boredom
more loneliness
stronger cravings
increased FOMO
emotional distress
In clinical practice, this makes sense as removing the behaviour does not remove the underlying needs. Clinically, we often see an initial spike in distress after sudden restrictions, not because social media is ‘good’, but because it was quietly holding together unmet emotional needs.
Removing the behaviour does not remove the underlying needs.
This is why restricting access without support can lead to:
emotional volatility
substitute addictions (gaming, AI chatbots, riskier platforms)
withdrawal symptoms
secrecy and deception
worsening mental health symptoms
5. How to Recognise Social Media Addiction in a Teen
Parents often ask: “How do I know if it’s addiction or just normal teenage behaviour?”
Look for patterns that cause functional impairment:
inability to reduce use
lying about usage
extreme distress during limits
sleep loss
school decline
withdrawal from offline activities
irritability when offline
loss of interest in hobbies
constant checking and FOMO
using social media to escape problems
If three or more of these occur regularly, seek professional guidance.
6. What Actually Helps: Evidence-Based Strategies for Families
Families often come in asking for rules. What actually helps is understanding why the rules keep breaking down. Here is what research and clinical experience support:
a. Don’t rely on bans alone
Restrictions without emotional support increase distress and workarounds.
b. Co-regulate rather than control
This means:
calm conversations
problem-solving together
shared decision-making
connection before correction
c. Build replacement habits
Teens need alternative ways to meet the same needs:
belonging → in-person social groups
boredom → hobbies, sport, creativity
emotion regulation → mindfulness, exercise, therapy
identity → strengths, passions, real-world achievements
d. Create predictable routines
Set boundaries for:
no phones in bedrooms
no devices at meals
homework before screens
structured downtime
Consistency beats rigidity.
e. Support emotional literacy
Help teens understand:
what they feel
why they reach for their phone
how to regulate emotions offline
If your teenager is struggling with emotional regulation, social comparison, or distress linked to online use, teen therapy can help build coping skills, emotional insight, and healthier digital habits.
f. Encourage “conscious use”
Ask reflective questions:
“What do you notice about your mood after scrolling?”
“Which platforms make you feel energised?”
“Who online makes you feel unsafe or insecure?”
Insight is protective.
g. Monitor for red flags
Seek support if you observe:
persistent sadness
school refusal
aggression
relationship withdrawal
major sleep disruption
secrecy around devices
self-harm content
cyberbullying
extreme reactions to limits
7. How iflow Psychology Can Help
We support adolescents and families with:
emotional regulation
digital wellbeing
anxiety and depression
compulsive behaviours
social comparison issues
body image difficulties
cyberbullying recovery
parent coaching
family communication
transitioning through the national restrictions
We also support parents through parenting support, helping families navigate boundaries, communication, and emotional regulation during periods of developmental and social change.
Supporting digital wellbeing involves helping young people regulate emotions, manage comparison, and build meaningful offline connections.
Evidence-based therapies include:
CBT
ACT
DBT-informed strategies
motivational interviewing
family systems approaches
We offer in-person sessions in Gladesville and telehealth across Australia.
Evidence Base & Further Reading
This article is informed by current psychological and neuroscientific research, as well as established clinical frameworks used in child, adolescent, and family psychology.
Key sources and evidence bases include:
Research on problematic social media use (PSMU) and behavioural addictions, including models drawn from gambling and reward-based reinforcement systems
Neuroscience research on adolescent brain development, particularly the maturation of the prefrontal cortex and heightened reward sensitivity during adolescence
Meta-analyses and longitudinal studies examining associations between social media use, mental health, sleep, emotional regulation, and wellbeing in young people
Psychological research on variable-ratio reinforcement schedules, dopamine pathways, and habit formation
Guidance from reputable organisations such as the American Psychological Association (APA), World Health Organization (WHO), Australian Institute of Family Studies, and the eSafety Commissioner.
Clinically informed approaches to harm reduction, family-based interventions, and digital wellbeing support
This content reflects current best practice in psychological care and public mental health education. It is intended to support understanding and informed decision-making, not to replace individual assessment or therapeutic advice.
If you are concerned about your child’s wellbeing or emotional regulation around social media use, a psychologist can help assess underlying needs and support healthier coping strategies.