Comprendre le lien entre les réseaux sociaux et le TDAH

Can social media give you ADHD-like symptoms?

According to ADHD UK, nearly three million people across the UK live with ADHD. This can often manifest as high energy levels and physical restlessness, making it challenging to sit still. It frequently involves being easily distracted, struggling to see tasks through to completion, acting on impulse, or finding it difficult to maintain focus for extended periods.

Some clinicians, however, have noticed that over the last few years, more people have been coming in for ADHD assessments because they feel their attention spans have significantly declined. One of these clinicians, Dr Sylvia Baker of Re:Cognition Health, says she has seen a notable increase in patients presenting for ADHD - particularly adolescents and young adults.

She notes that a high number attribute their concerns directly to their use of social media platforms, such as TikTok.

“This clinical observation is well supported by emerging evidence,” explains the consultant psychiatrist. “Systematic reviews and meta-analyses demonstrate a meaningful association between problematic social media use, including TikTok and other short-form video platforms, and increased ADHD-related symptoms, particularly inattention and impulsivity.”

Baker warns that TikTok’s fast, high-stimulation format and endless scroll are linked to poorer attention and inhibitory control in teenagers and adults. Exposure to misleading ADHD content on those same platforms is also driving self-diagnosis and more young people to seek treatment.

“In clinical practice, it is increasingly common for patients to reference social media platforms as the reason they are seeking evaluation,” she says. “This pattern appears to be driven by a combination of genuine increased awareness and the widespread circulation of misinformation.

“Both factors are contributing to a rise in referrals and self-referrals for ADHD assessment.”

Dr Sylvia Baker

ADHD vs ‘acquired inattention’

When distinguishing between ADHD or what some researchers refer to as ‘acquired inattention’ or ‘digital brain fog’, your doctor will evaluate your symptoms based on their duration, impact on your daily life, and any other potential causes before reaching a conclusion.

Defining clinical ADHD

Baker explains that clinical ADHD is defined as a long-standing pattern of inattention and/or hyperactivity‑impulsivity that starts before age 12, shows up in two or more settings, and causes meaningful issues in your daily life.

To reach that diagnosis, healthcare professionals take a detailed developmental, family, and medical history, get input from multiple people who know you, and rule out other causes of inattention - such as mood disorders, anxiety, trauma, or medical issues.

Importantly, symptoms must be long‑standing, widespread across your life, and not better explained by temporary situations or your environment.

Defining ‘acquired inattention’

Unlike ADHD, ‘acquired inattention’ or ‘digital brain fog’ refers to focus struggles that are usually temporary and situational - often tied to heavy or problematic social media habits.

“These symptoms typically don’t start in childhood, are not present across different settings, and do not meet the threshold for functional impairment required for an ADHD diagnosis,” says Baker.

Studies suggest that scrolling through social media in short bursts can temporarily mess with your focus and ‘executive function’. It shifts how your prefrontal cortex handles self-control. The good news is that these effects usually bounce back once you put your phone down - it’s not causing permanent brain damage.

Baker cautions that over the long term, ‘problematic’ or excessive use can lead to a slight increase in ADHD-like symptoms. This is especially true for teens and young adults, particularly those who might already be more vulnerable to focus issues.

“Young people with ADHD symptoms are more likely to develop problematic digital media use,” she says. “This use can, in turn, exacerbate difficulties with attention and impulse control.

“However, these symptoms typically fluctuate and do not persistently meet the diagnostic threshold for ADHD.”

The ‘science’ of the infinite scroll

The Variable Reward Effect is when unpredictable rewards make your brain repeat a behaviour to chase that dopamine hit.

On social media, users keep scrolling, hoping to find something rewarding, with occasional hits reinforcing this behaviour. Infinite scroll and reward-driven designs on short-form platforms strengthen this cycle, with compelling evidence showing impacts on brain function.

Baker explains that these platforms light up your brain’s reward system - such as the ventral tegmental area - while dialling down regions that handle focus and self-control, such as the dorsolateral prefrontal cortex. This is particularly impactful for adolescents, whose reward systems are highly sensitive and still developing.

“At a functional level, acute exposure to these platforms impairs executive function, and working memory,” she says. “Cognitive control networks are actively suppressed whilst reward networks remain highly activated."

Influence on the developing brain

When it comes to teenagers with brains still in development, the core question is whether heavy social media use actively reshapes the brain or simply amplifies existing traits. Baker suggests the honest answer is likely both, though the exact balance between them is still being researched.

She breaks it down below:

• Structural changes - large studies have shown associations between high social media use and reduced cortical thickness in brain regions critical for sustained attention. The cortex - your brain’s outer layer for complex thinking - can be strengthened again over time with targeted changes to digital habits.

• Amplification - adolescents with pre-existing attention difficulties are more likely to engage in compulsive social media use, which in turn worsens their symptoms.

“For clinicians, this means that a young person’s social media habits are not merely a reflection of an underlying condition but may be actively contributing to its trajectory," says Baker. “This distinction has real implications for how we approach assessment, advice to families and, ultimately, treatment planning.”

Navigating social media misinformation

While there are countless videos online framing ADHD as 'relatable' educational content, this is often a byproduct of how algorithms function. To secure millions of views, creators often package everyday struggles with focus as definitive ADHD symptoms. This shift prioritises viral potential over clinical accuracy, leading many to misinterpret normal, situational behaviours as signs of a deeper neurological disorder.

Baker warns that research into TikTok videos under the ADHD hashtag found that fewer than half accurately represent the disorder.

“When young people are repeatedly exposed to oversimplified or misleading portrayals of ADHD, the consequences are predictable,” she says. “These can lead to widespread misattribution of everyday attention lapses to a clinical disorder, overestimation of how common ADHD actually is, and a significant increase in self-diagnosis and treatment-seeking based on content that has never been near a clinician.”

Baker emphasises that normal attention slips caused by stress or poor sleep are not the same as a clinical condition. A formal diagnosis requires a detailed developmental history - something a 60-second clip simply cannot provide.

“Anyone who has watched content online and found themselves wondering whether they have ADHD should bring those concerns to a qualified clinician rather than arriving at a self-diagnosis,” she says. “Social media can be a useful starting point for awareness, but it is a poor substitute for proper assessment.”

Baker concludes by saying that while digital habits can mimic ADHD traits, they do not cause the permanent neurodevelopmental condition. They typically resolve when social media use is reduced or discontinued. By shifting habits, the brain can adapt back towards deeper, sustained focus.

However, people with pre-existing vulnerabilities may experience more enduring effects, and this is an area that warrants close clinical attention.

“In short, social media platforms are engineered in a way that is fundamentally at odds with the developing brain’s capacity for sustained focus and impulse control - and the neuroscience is beginning to reflect that with considerable clarity.

“But whilst long-term social media use can give rise to transient, ADHD-like symptoms, the current evidence does not support the view that digital media exposure alone causes persistent, neurodevelopmental ADHD."