Writing Isn't Just About Expressing Your Thoughts. It Helps Keep Your Mind Healthy, Too.

Social media today is built to deliver information instantly and in the smallest possible portions. A 10-second video. Twenty words and one picture. Sometimes, that is all it takes to give us a brief sense of satisfaction. Dopamine, a chemical involved in the brain's reward and motivation systems, plays a role in this process. It is not the whole explanation, but it helps explain why "just one more scroll" can be so hard to resist.

Much of the content we consume is designed to deliver its main point within seconds. We rarely have to wait, follow a long argument, or stay with one idea for very long.

How we got here

Think back to a time before the internet. People were entertained by television, newspapers, and books. Many also wrote about their days, sometimes just for themselves, without any intention of sharing their thoughts with others.

Then came the early internet, before social media as we know it today. We read blogs and news sites, and our brains became familiar with a different rhythm: an introduction, a main idea, and a conclusion. We followed one thought from beginning to end, taking time to understand what the writer was trying to say.

Then modern social media arrived, and that rhythm began to change. Short videos. Clickbait headlines. Quick posts designed to capture our attention and trigger an immediate reaction.

The format didn't just change what we read. It changed how long we are willing to stay with one thing.

To be fair, it isn't all bad. Social media allows people to connect more easily than ever. We share our feelings openly, find communities, and discover others who have similar experiences. But there is a side effect worth paying attention to: when we become accustomed to constantly switching between small pieces of content, spending time with something complex can start to feel less comfortable.

And this is not simply about how much information we consume. It is also about how we engage with it.

What the research says (and what it doesn't)

This concern is not based on observation alone. Researchers have been studying attention and digital media for years, although the findings need to be understood in context.

Our attention switches between screens more frequently.

Gloria Mark, a professor of informatics at the University of California, Irvine, has spent more than two decades studying how people interact with digital devices in everyday settings.

In her research, the average time people spent on a particular screen before switching to something else changed considerably:

There is an important distinction here: these measurements describe how long people stayed on a screen before switching activities, particularly in work-related settings. They do not measure the brain's maximum ability to concentrate, nor do they prove that everyone's attention span has declined by the same amount.

Still, they illustrate how frequently our attention can shift in environments filled with digital distractions. Source: American Psychological Association

Short-form video use is associated with poorer attention and cognitive performance.

A 2025 systematic review and meta-analysis published in Psychological Bulletin examined 71 studies involving 98,299 participants.

The researchers found that greater short-form video use was associated with poorer cognitive performance, particularly in:

• Attention, which showed one of the strongest associations.

• Inhibitory control, our ability to resist impulses and avoid acting on distractions.

The analysis also found associations with poorer mental health, particularly higher stress and anxiety.

However, these findings need an important qualification: an association does not establish that short-form videos directly cause these difficulties. Much of the available research is observational, so other factors may also contribute to the relationship.

The findings are a reason to think more carefully about our digital habits, not a reason to conclude that watching short videos is automatically harmful. Source: Psychological Bulletin (2025).

Why writing helps

So, if constantly switching between content can make sustained attention more challenging, what can we do to give ourselves more opportunities to engage deeply with our thoughts?

This is where writing comes in.

Scrolling asks us to react. Writing asks us to produce.

When you write, you have to choose a topic and stay with it. You have to organize your thoughts, decide what comes first, connect one idea to another, and find words for something that may have been only a vague feeling a moment earlier.

Writing requires us to do something that scrolling rarely asks of us: hold an idea in our minds long enough to understand it. We revisit thoughts, question them, connect them, and sometimes discover what we actually mean only after putting those thoughts into words.

In that sense, writing offers a different kind of mental engagement.

There is also evidence of benefits beyond thinking and concentration.

A 2006 meta-analysis by psychologist Joanne Frattaroli, published in Psychological Bulletin, examined 146 randomized studies on expressive disclosure: the practice of writing about personal, meaningful thoughts and feelings.

The findings showed a small but statistically significant overall benefit for psychological and health-related outcomes. The effects varied across individuals and circumstances, meaning that writing does not help everyone in the same way or to the same extent.

This research does not prove that writing improves memory, prevents cognitive decline, or protects the brain from aging. What it does suggest is that putting personal experiences and emotions into words can be a useful way to support psychological well-being.

Writing won't fix everything, but it can give us a quiet space to process what we think and feel.

And it doesn't have to be dramatic. A short journal entry, a half-finished story, or a messy page of whatever is on your mind all count. You don't need a perfect sentence or even a clear conclusion.

Other slow, effortful activities, such as reading a book, playing chess, or learning a musical instrument, can also give us opportunities to practice patience and sustained engagement.

A closing thought

We don't need to be against social media. It connects us, builds communities, and for some people, even becomes a source of income. The goal is simply to make sure we get more from it than it takes from us.

Maybe that starts with noticing how rarely we stay with a single thought these days.

A blank page is one of the few places left that doesn't rush us. No feed, no next video, no notification asking for our attention. Just whatever we have to say, and as long as it takes to say it.

Sometimes, the most valuable thing writing gives us isn't a finished story or a collection of beautiful sentences.

It's the time and space to let our minds catch up with themselves.

Research references

1. Mark, G. — Attention and digital media research, discussed in American Psychological Association, Speaking of Psychology.

2. Nguyen et al. (2025) — Feeds, feelings, and focus: A systematic review and meta-analysis examining the cognitive and mental health correlates of short-form video use. Psychological Bulletin.

3. Frattaroli, J. (2006) — Experimental disclosure and its moderators: A meta-analysis. Psychological Bulletin, 132(6), 823–865.