Séverine Van De Voorde

The through-line

The consistent argument is that the human brain has not changed but its working conditions have, and the prefrontal cortex is the organ paying the bill. Everything else follows from that: the impossibility of multitasking, the collapse of attention spans, the wave of ADHD-like behaviour in young people, the chronic stress, the anxiety and depression figures. The framing is neurological rather than moralistic, and it repeatedly refuses the easy target. Technology is not the villain. "Het is de technologie die niet het probleem is... alleen gaat het erover dat we slaven geworden zijn, omdat die algoritmes ons controleren" [2]. The fault line runs between conscious use of a tool and captured use of a platform.

The second thread, which sits underneath the diagnosis, is that the remedy is human rather than technical: rest, reflection, analog dopamine, adults who model the behaviour they preach, and above all connection. In an age of AI the closing bet is on empathy rather than capability: "Het is Survival of niet de fittest en of de strongest, maar wel de meest sociale, de kindest" [1].

On why multitasking does not exist

Two focus tasks at once is neurologically impossible. What feels like simultaneity is the prefrontal cortex switching back and forth, and the switching is expensive: roughly 40% more time, more energy, less concentration and more mistakes [1][2]. The only combination that genuinely works is an autopilot task paired with a single focus task. The verdict on people who believe otherwise is blunt: "Mensen die denken dat ze dat kunnen, die zijn heel veel tijd en energie kwijt" [2].

The capacity ceiling is lower than most people assume. There are about three hours of top concentration available per day, and those hours only stay available if they are alternated with genuinely unfocused moments: daydreaming, staring into space, napping [1][2]. This is not a productivity preference. Constant stimulation without recovery physically destroys connections in the prefrontal cortex [1][2].

On pseudo-ADHD and the 47-second brain

The attention data is the anchor point, and it is deliberately not aimed only at teenagers: "Er is onderzoek dat aantoont dat we eigenlijk om de 47 seconden van scherm wisselen. Niet alleen de jeugd, hè. Ook wij" [1][2]. Short-form content trains attention spans progressively shorter, and the behavioural result is widely misdiagnosed. "Zo gezegd hebben heel veel jongeren tegenwoordig ADHD, maar dat is maar bij 5% van de populatie dat dat voorkomt. We hebben gewoon heel veel jongeren door de smartphone die ADHD-achtig gedrag vertonen: pseudo-ADHD" [1]. The distinction matters clinically: these are ADHD-like symptoms from a temporarily malfunctioning prefrontal cortex, not the structural condition [1][2].

On the smartphone as a slot machine

The addictive mechanism is named precisely and it is the gambling mechanism: "Onze smartphone is een soort van mobiele gokmachine, want je weet nooit of dat ge een beloning gaat krijgen en welke beloning dat gaat zijn" [1][2]. Variable reward is what makes it stick. From there the argument splits dopamine into two types. The unhealthy kind delivers intense short spikes, from scrolling, sugar, gambling, shopping and binge-watching, followed by a crash that drives the craving cycle. The healthy kind, from hugging, movement, cold showers and analog activities, is less intense but lasts far longer [1][2].

On chronic stress and the youth mental health curve

"Chronische stress is gewoon de ziekte van deze tijd" [1][2]. The rise in anxiety and depression among young people since roughly 2012 is attributed less to any structural disorder than to two losses: reflection time and disconnection time [1][2]. Teenagers fill every idle moment with scrolling, so the focus network never rests and the questions that self-reflection depends on, who am I and what do I need, never get asked [2]. The physiological consequence is chronic stress and serotonin depletion [1][2].

On bans, and why they are not enough

A smartphone ban in schools is worth doing, and the historical parallel is offered lightly: "Wij mochten in onze tijd ook onze tv niet meepakken naar school" [2]. But a ban on its own does not teach anything. Children also need to be taught conscious, responsible use, and the heavier obligation falls on adults, who have to lead by example [1][2]. The reason is simple and non-negotiable: "Kinderen leven naar wat dat ge doet en niet naar wat dat ge zegt" [1].

On conscious versus captured technology use

The distinction that saves technology from blanket condemnation is who decides. Infinite scroll and autoplay are designed to hijack dopamine, which turns users into slaves of attention-capture design rather than people using a tool [1][2]. Technology chosen deliberately, with a clear when and why, can be genuinely enriching: reading, biofeedback, therapeutic applications of VR [2]. The problem sits in the platforms and the algorithms, not in the devices.

On owning your audience

The platform critique extends into a practical business position: "Het is veel waardevoller om je eigen mailinglijst op te bouwen. Own your own audience" [2]. The reasoning is the same dependency argument applied to distribution. A social post may only be shown to a fraction of your followers, and a platform can disappear outright, as the TikTok ban demonstrated, while an email list reaches everyone who wants the message and travels with you across platforms [1][2].

On survival of the kindest

The forecast for the AI era is not about competing on capability. "Niet Survival of the Fittest en of the strongest, maar wel de meest sociale, de kindest" [2]. Deep human connection is the remaining differentiator, specifically empathy, nonverbal signals and vulnerability, the things AI models will not replicate [1][2]. There is also cautious optimism about a tipping point already underway: many young people themselves now describe social media as burdensome and are choosing sleep, productivity and self-development over going out and scrolling [2].

Takeaways

• Treat multitasking as a cost, not a skill: two focus tasks at once means the prefrontal cortex switches between them at roughly 40% more time, more energy and more errors, and only an autopilot task pairs safely with a focus task [1][2].
• Budget about three hours of top concentration per day and deliberately schedule unfocused recovery (daydreaming, staring, napping); chronic overstimulation kills connections in the prefrontal cortex [1][2].
• ADHD-like behaviour in young people is usually not ADHD: the structural condition affects around 5% of the population, while smartphone-driven pseudo-ADHD is far more common [1].
• The smartphone is a variable-reward machine, "een soort van mobiele gokmachine" [1][2]; swap spike dopamine (scrolling, sugar, binge-watching) for the longer-lasting kind from movement, hugging, cold showers and analog activity [1][2].
• Youth anxiety and depression track the loss of reflection and disconnection time more than any disorder, because constant stimulation prevents self-reflection and depletes serotonin [1][2].
• School phone bans are worth having but do nothing alone: teach conscious use and model it, because "kinderen leven naar wat dat ge doet en niet naar wat dat ge zegt" [1][2].
• Build an email list rather than renting reach: "Own your own audience" [2], because algorithms throttle posts and platforms can vanish [1][2].
• The durable human advantage in an AI age is empathy, nonverbal signal and vulnerability: survival of the kindest, not the fittest [1][2].