The impact of digital screens on our brains

Research reveals how digital screens affect brain function and contribute to addiction.

The impact of digital screens on our brains

December 8, 2025

Benjamin Hart

Opinion

Neurological science is beginning to catch up with the rapid advancements in technology. Research indicates that our brains are highly susceptible to the stimuli from cellphones, social media, and computer screens, leading to an increased desire for more engagement.

The relentless news cycle makes it difficult to unwind, as crises seem to be ever-present, prompting behaviors like “doom scrolling.” When we feel threatened or anxious, our bodies release stress hormones such as adrenaline and cortisol. These chemicals prepare us for a fight-or-flight response but can linger longer than necessary, leading to a crash that fuels further cravings for stimulation.

Filmmaker and author Kay Rubacek notes that social neuroscientists describe a state called social vigilance, where our nervous systems become overly alert. This heightened state can suppress higher brain functions like reasoning and empathy while amplifying fear responses.

Addictions often stem from a natural desire for pleasure but can evolve into dependencies when misused. Whether it’s drugs, alcohol, or screen time, these dependencies exploit our need for temporary satisfaction.

As addiction develops, the brain creates quicker pathways to pleasure while diminishing overall satisfaction. This leads individuals to seek more significant “fixes” over time.

Addictions can be viewed through a moral lens; they arise from succumbing to immediate pleasures rather than embracing delayed gratification. A rabbi once remarked that sin starts as thin as a spider’s web but soon becomes a thick cord binding us.

In her recent essay for the Centennial Review, Clare Morell highlights the dangers of constant online stimulation for children aged 10 to 12. During this critical period, their dopamine receptors multiply, making them particularly vulnerable to addiction through social media and smartphones.

This incessant pursuit of instant gratification hampers the development of the prefrontal cortex responsible for self-control and impulse regulation in young people.

Younger generations are especially susceptible to these digital temptations. In 2023, attorneys general from over 30 states filed lawsuits against major tech companies like Meta and Google, accusing them of intentionally designing addictive products aimed at children.

When immediate gratification dominates society, ideologies like socialism become appealing—especially among youth seeking quick solutions. Politicians often leverage this tendency by promising free services.

Statistics show that American teens spend an average of seven hours and 22 minutes daily on screens. This raises concerns about what kind of future awaits when today’s youth take charge.

On a positive note, recent surveys indicate an increase in church attendance among younger adults seeking community and spiritual fulfillment—signaling a shift away from screen dependency towards higher pursuits.

Edited by:

Benjamin Hart

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I focus on national security, defense policy, and military affairs, prioritizing accuracy and sober analysis. My work aims to clarify what matters beneath headlines and rhetoric.

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