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Brain Rot and How to Combat it in the Classroom
Who would have thought that in 2026 teachers would have to work hard to positively alter student’s brain chemistry to combat a thing called ‘brain rot’?
‘Brain rot’ has many meanings, but today it is most commonly used to describe the cognitive decline and mental fatigue associated with excessive exposure to low-quality, fast-paced digital content, particularly among adolescents and young adults. The term itself is not new. According to the Oxford English Dictionary, ‘brain rot’ actually dates back to 1854, where it described intellectual stagnation. Even by the mid-20th century, it was used to criticise the perceived cognitive effects of excessive television consumption. What we are seeing now is not entirely new, but it is amplified to an unprecedented degree.
In an ideal world, the digital age would enhance equity, spark curiosity, and democratise access to knowledge. I can’t deny, to some extent, it certainly does. However, meaningful engagement with online information requires discernment, a skill that is not being explicitly taught. Young people are navigating a constant stream of algorithm-driven content without the cognitive tools to critically evaluate it. Even adults, who demonstrate strong judgement in offline contexts, can struggle to distinguish fact from misinformation online.
The result is a kind of perceptual distortion. Students are exposed to an overwhelming volume of short-form content that discourages reflection. Instead of thinking deeply, they are conditioned to react quickly and either agree or disagree, then keep scrolling. This rapid consumption cycle interrupts the brain’s natural capacity for critical thought and emotional regulation, especially when combined with highly personalised and often biased algorithms.
How Are Our Brains ‘Rotting’? The Science
While ‘brain rot’ is not a formal medical diagnosis, emerging research in neuroscience and psychology helps explain the mechanisms behind it.
Digital content, particularly short-form video, activates the brain’s reward system by triggering a dopamine release. Dopamine itself is not harmful. It plays a critical role in motivation and learning. However, frequent, rapid stimulation can disregulate this system, making it harder for students to engage in slower, effortful tasks such as reading, writing, and problem solving. Research discussed by Contemporary Psychology highlights how constant digital stimulation contributes to reduced attention spans, increased mental fatigue, and difficulty tolerating boredom. These are foundational skills required for deep learning.
Sleep also plays a crucial role. As it turns out, our brains actually have an efficient cleaning system that can remove amyloid plaque, called the glymphatic drainage system. This system is highly active when we sleep. Studies have shown that poor sleep can impair this process, leading to the accumulation of amyloid plaque or metabolic waste. Just one night of poor sleep is shown to increase this plaque in your brain by 25-30%.
While claims linking everyday screen use directly to conditions such as Alzheimer’s disease are often overstated, there is strong evidence that chronic sleep disruption negatively affects memory, cognition, and emotional regulation.
Importantly, the issue is not a single behaviour, but a pattern: constant stimulation, reduced rest, and limited cognitive effort.
The Eight Main Contributors to ‘Brain Rot’
While the causes are interconnected, several key behaviours are consistently linked to cognitive overload and reduced mental resilience:
- Short-form video consumption
- Sleep deprivation
- Splitting attention across multiple screens
- Constant background audio or noise
- Never fully switching off from devices
- High sugar intake and smoking
- Cognitive laziness (avoiding effortful thinking)
- Over reliance on AI without critical engagement
These habits are not just lifestyle concerns but they are significant learning barriers.
The Consequences in the Classroom
You’ve probably noticed that the impacts of these behaviours are becoming increasingly visible in your classrooms.
Attention and Learning
Students are finding it harder to sustain focus on tasks that require extended concentration. This ‘attention fragmentation’ reduces their ability to engage in deep learning and critical thinking.
Emotional Regulation and Wellbeing
High levels of digital stimulation are associated with increased stress, mood instability, and mental overwhelm. Students may struggle to tolerate frustration or persist through challenging tasks.
Motivation and Reward
Repeated exposure to high-dopamine content can reduce sensitivity to slower, more meaningful rewards. This can present as disengagement, lack of motivation, or what some researchers describe as ‘digital anhedonia’, which is a reduced ability to feel pleasure from everyday activities.
Social Skills and Confidence
Reduced face-to-face interaction and increased online comparison can negatively impact communication skills, confidence, and relationship-building. We saw a dramatic drop in social skills post-COVID, but thanks to short-form content, being back in classrooms hasn’t really improved the outcomes.
Long-Term Cognitive Health
Large scale studies have identified associations between prolonged screen time and cognitive decline later in life. While causation is complex, the correlation reinforces the importance of balanced digital habits.
A new study of 462,000+ people has linked 4+ hours of screen time to an increased risk of dementia.
Did you know that dementia and Alzheimer’s are not actually part of the natural brain aging process? Or that 95% of people with Alzheimer’s could have prevented the disease?
Alzheimer’s is not a disease of genetics, but it is a disease of lifestyle. Only around 3% of cases are caused by gene mutations that you may be born with. The rest of the cases are known as ‘sporadic’, developing from a combination of lifestyle and environmental factors. So, the consequences of brain rot-inducing activities actually have a lifelong effect. What is even more concerning is that modern day contributors to brain rot are so new that we only have about 2-3 years’ worth of research on them.
Simple, Evidence-Informed Ways to Counter ‘Brain Rot’
The encouraging news is that the brain is highly adaptable. Teachers can play a powerful role in helping students rebuild focus, resilience, and cognitive capacity.
1. Prioritise Deep Thinking
Encourage tasks that require sustained attention like extended reading, writing, and problem solving. Build in time for thinking, not just responding.
2. Reintroduce Productive Boredom
Boredom is not the enemy. As we discussed in a previous blog post, it is a precursor to creativity. Giving students space without constant stimulation allows their brains to generate original ideas.
3. Promote Healthy Sleep Habits
Educate students on the importance of sleep for memory, learning, and emotional regulation. Even small improvements can have significant cognitive benefits.
4. Reduce Multitasking
Did you know that multitasking is a myth? Try to encourage single task focus in the classroom. Even switching between tabs or devices can reduce efficiency and comprehension.
5. Embrace Silence
Moments of quiet without music, videos, or notifications can support cognitive processing and reduce mental fatigue.
6. Encourage ‘Desirable Difficulty’
Learning should involve challenge and friction. Struggle, when appropriately supported, strengthens neural pathways and builds resilience.
7. Teach Critical AI Use
AI is a powerful tool, but students must be taught to question, evaluate, and build upon AI-generated outputs rather than passively accept them. AI isn’t going anywhere anytime soon, so it is important that students learn to fact check. They might be surprised at how often AI is inaccurate.
8. Model Intentional Technology Use
Teachers play a key role in demonstrating balanced, purposeful engagement with technology. While students may not see you use AI, for example, they are definitely tuned in to how frequently you use the Interactive Whiteboard or how often you play videos to reinforce a concept.
‘Brain rot’ may be a modern label that we laugh about, but the underlying concern is timeless: how do we protect and nurture the human capacity to think deeply in an increasingly distracted world?
For educators, this is both a challenge and an opportunity. By intentionally designing learning environments that value focus, effort, and reflection, teachers can help students not only recover from cognitive overload but develop the skills they need to thrive in a complex, digital landscape. Plus, everything we discussed today applies to you, too!
References
https://pmc.ncbi.nlm.nih.gov/articles/PMC11939997/
https://www.contemporarypsychology.com.au/the-neuroscience-behind-brain-rot/
https://www.oed.com/dictionary/brain-rot_n
https://www.instagram.com/p/DVv8ZRbiCKg/?utm_source=ig_web_copy_link&igsh=NTc4MTIwNjQ2YQ==
