Designed to Hook: Psychology's Role in Addictive Technology and the Ethics of Repair

The architecture of compulsion

Every teenager who loses three hours to a scroll feed is not merely distracted. Something more specific is happening in her brain. De, El Jamal, Aydemir, and Khera's 2025 Cureus paper, 'Social Media Algorithms and Teen Addiction: Neurophysiological Impact and Ethical Considerations,' documents what many clinicians already suspect: social media platforms are structured to exploit the adolescent dopamine system, and psychologists were involved in building that structure.

The dopaminergic reward circuit matures later than the prefrontal cortex. Adolescents are, in a neurophysiological sense, wired to seek novelty and social approval at precisely the moment they have the least capacity to regulate that seeking. Variable-ratio reinforcement—the same schedule that makes slot machines difficult to leave—is the architecture behind infinite scroll and intermittent notification delivery. This is not a side effect. It is the product. Behavioral psychologists understood decades ago that unpredictable rewards produce more persistent engagement than predictable ones. That knowledge moved from the laboratory into the design rooms of platform companies, where it was applied to populations who were specifically vulnerable to it.

De et al. (2025) put the neurophysiological mechanism plainly: repeated, algorithm-driven stimulation suppresses baseline dopamine activity, increasing tolerance and intensifying cravings for the next notification, the next like, the next video. The pattern mirrors the trajectory Gabor Maté (2008) describes in addiction more broadly—early relief followed by escalating need, with withdrawal manifesting as anxiety and flat affect when access is removed. In adolescents, whose reward systems are still being shaped by experience, the neuroplasticity that should facilitate healthy development is instead being recruited to cement compulsive behavior.

The psychologist's complicity

There is a professional reckoning embedded in this history that the psychology field has been slow to name directly. Persuasive technology—the design discipline that encompasses variable rewards, social validation loops, streak mechanics, and personalized content pipelines—draws explicitly on psychological research. B.J. Fogg's Persuasive Technology Lab at Stanford trained a generation of designers in behavioral principles derived from operant conditioning and social psychology. The insight that social comparison drives engagement, that loss aversion can be activated by disappearing content, that achievement framing triggers dopamine release—none of this is proprietary to Silicon Valley. It is applied psychology.

McWhorter's analysis of clinical ethics in psychotherapy asks a sharper version of this question: when a practitioner's knowledge or technique is used—even remotely—to produce harm, what obligation remains? The concern about scandal in that framework is not theatrical. It is a precise moral category: does lending expertise to a process that predictably harms vulnerable people constitute cooperation with that harm? Platform psychologists who understood the neurophysiological risk to adolescents and continued optimizing for engagement metrics were not distant bystanders.

The American Psychological Association's ethical principles require psychologists to avoid harm and to consider the welfare of third parties affected by their work. Those principles were written with one-on-one clinical encounters in mind. They have not been systematically extended to cover psychologists employed by companies whose revenue model depends on maximizing time spent on platform—including time spent by minors. That gap is not a technicality. It is an ethical failure with a neurological price tag.

What the CCMMP sees that neuroscience alone cannot

The neurophysiological account in De et al. (2025) is accurate and necessary, but it is insufficient for understanding what is actually being damaged. The Catholic Christian Meta-Model of the Person frames the human being as a unity of body, soul, and relational capacity—created for ordered desire, capable of disordered desire, and redeemable through formation and grace. Addiction, on this account, is not merely a dopamine deficit. It is a disorder of appetite: what Aquinas calls concupiscence—desire untethered from its proper end—intensified and instrumentalized by a technological environment built to exploit it.

Alvarez-Segura, Echavarria, and Vitz identify the volitional dimension as essential to understanding psychological disorder. Cognitive biases alone do not determine outcome; the capacity to engage, reflect, and redirect is real, even when impaired. This matters clinically because it refuses both extremes: the deterministic account that treats addicted adolescents as merely hijacked systems with no interior agency, and the moralistic account that treats compulsive screen use as simple weakness of will. The will is real, it is partly free, it is also partly shaped by what has repeatedly been done to it—and platforms have been doing something to it, systematically, for over a decade.

Ethical norms that should govern the field

The Cureus paper calls for ethical regulation without fully specifying what that means. Several norms follow from its findings, established professional ethics, and the anthropological frame above.

First, psychologists employed in product design carry the same duty-of-care obligations as clinicians. If a psychologist applies behavioral science to design choices that predictably increase compulsive use among adolescents, the professional ethics framework applies regardless of employment context. Second, age-differentiated design is not optional. Variable-ratio reinforcement schedules, infinite scroll, and social comparison features deployed on platforms used primarily by minors require independent ethical review. Third, the profession needs to close the gap between its individual-treatment ethics and its population-scale obligations—psychologists contributing to products used by hundreds of millions of people are exercising population-level influence, and the ethical obligation scales accordingly. Fourth, as McWhorter argues, whether one's practice gives tacit approval to harmful actions should be asked explicitly within psychology training programs, particularly in industrial-organizational and human factors curricula.

What psychologists and parents can do

For clinicians working with adolescents, De et al. (2025) shift the diagnostic frame. A teenager presenting with anxiety, attentional difficulty, flat affect outside of phone use, and irritability when devices are removed may be showing partly neurophysiological symptoms. Psychoeducation about the dopamine suppression curve—naming it, predicting it, framing it accurately—significantly improves compliance with reduced-use interventions. Social media use assessments should be routine intake procedures for adolescent clients.

For psychologists in advocacy roles, the Cureus paper supports legislation requiring algorithmic transparency and restricting variable-reinforcement features on platforms with significant adolescent userbases. Jonathan Haidt's (2024) work in The Anxious Generation documents the population-level correlation between platform adoption and adolescent mental health deterioration with enough specificity to ground policy arguments.

Parents who understand that the platform's goal is maximum engagement—and that psychological expertise was employed to achieve it—are better positioned than those who treat social media as a neutral tool. Delaying smartphone access until mid-adolescence, placing devices outside bedrooms, and discussing algorithm design explicitly with adolescents all activate reflective capacity that variable-reinforcement systems are designed to bypass. Maté (2008) notes that secure early attachment is a measurable protective factor against compulsive behavior. Adolescents with warm, attentive caregivers show lower compulsive screen use across studies. The counter-environment to addictive technology is, at its base, other people.

The discipline's moment

Psychology cannot extricate itself from its role in building the current environment by simply treating its casualties. De et al. (2025) make plain that this is a population-scale harm with specific professional origins. The ethical path forward requires both clinical response and professional accountability: naming where the discipline's knowledge was misused, closing the ethical frameworks that permitted it, and bringing the same expertise that helped design these systems to bear on limiting their reach.

Sources: De, El Jamal, Aydemir, and Khera (2025), 'Social Media Algorithms and Teen Addiction: Neurophysiological Impact and Ethical Considerations,' Cureus; Maté, G. (2008), In the Realm of Hungry Ghosts; McWhorter, clinical ethics framework; Alvarez-Segura, Echavarria, and Vitz, Catholic Christian Meta-Model of the Person; Haidt, J. (2024), The Anxious Generation.