Brain Study Reveals Why Psychosis Sometimes Disappears

In the intricate depths of the human brain, where reality is stitched together by electric signals and patterns of connection, a quiet revolution is taking place. A groundbreaking study led by Pompeu Fabra University in Barcelona, in collaboration with Lausanne University Hospital in Switzerland, has uncovered clues to one of psychiatry’s most elusive riddles: why does psychosis sometimes go away?

Published recently in Nature Mental Health, this research offers a rare glimpse into the brain’s ability to rewire itself—sometimes in life-saving ways. For people living with psychosis, a condition marked by disconnection from reality through hallucinations and delusions, the idea that their brains could self-correct offers not only hope but also the potential for new, targeted treatments. At the core of this study lies a fusion of cutting-edge neuroimaging, sophisticated computational modeling, and a bold vision for the future of psychiatry.

Understanding the Enigma of Psychosis

Psychosis is not a diagnosis—it’s a symptom, or rather, a collection of symptoms that disrupt perception and cognition. Those affected may hear voices, harbor false beliefs, or feel that their thoughts are not their own. It’s a condition that can emerge in schizophrenia, bipolar disorder, severe depression, and even in otherwise healthy individuals under extreme stress.

Globally, the lifetime prevalence of psychosis ranges between 1.5% and 3.5%. In Spain alone, it affects approximately 1.2% of the population. Though its causes remain partially understood, it is widely believed to be the result of complex interactions between genetic vulnerability, brain chemistry, and environmental stressors. What’s even more perplexing is its unpredictability: some people recover completely after a psychotic episode, while others continue to struggle with chronic symptoms. Why?

The recent study led by neuroscientist Ludovica Mana at the Center for Brain and Cognition (CBC) at Pompeu Fabra University attempts to answer this question by identifying the neural signatures that distinguish recovery from persistence.

The Science of Remission: Looking Inside the Brain

Mana and her collaborators, including renowned researchers Gustavo Deco and Manel Vila-Vidal, took an ambitious approach. Instead of focusing on outward symptoms alone, they delved into the inner workings of the brain using MRI scans from a cohort of 88 patients in the early stages of psychosis and compared them to 128 healthy individuals. But they didn’t stop there—they used whole-brain computational modeling to simulate the functional architecture of each brain.

These models are more than high-tech brain maps. They are sophisticated simulations that mimic how different regions of the brain communicate—how neurons fire in synchronized rhythms, how signals travel along neural highways, and how these processes falter in disease. They are, as Deco puts it, “digital brain twins,” offering a window into each patient’s unique neural fingerprint.

The key finding? The brains of patients who experienced remission displayed increased neural connectivity compared to those whose symptoms persisted. In other words, the recovering brain wasn’t just healing—it was actively reorganizing itself, creating stronger, more resilient pathways to support cognition, emotion, and perception.

Connectivity: The Neural Currency of Recovery

Think of the brain as a vast social network. In healthy states, different brain regions maintain robust lines of communication. During psychosis, these lines fray. Connectivity collapses, leading to a fragmented sense of reality. But in patients who recover, something remarkable happens—connectivity doesn’t just return to normal; it increases in strategic areas.

This enhanced connectivity appears to stabilize brain function, allowing individuals to regain a coherent experience of the world. Conversely, in patients with persistent symptoms, connectivity remains diminished. Their neural networks are more fragile, less capable of adapting, and therefore more vulnerable to recurrent psychotic episodes.

What this study suggests is that recovery from psychosis may not be about returning to a pre-psychotic state but rather achieving a new, more resilient configuration of brain activity.

The Power of Computational Psychiatry

Traditionally, psychiatry has been guided by symptoms—what patients say, what clinicians observe. But this model has limitations. Two people with the same diagnosis might have vastly different experiences, and treatments often rely on trial and error. This is where computational psychiatry, the emerging field behind this study, offers a breakthrough.

Using advanced algorithms, researchers can now simulate how a brain functions over time—how it processes stimuli, how it responds to medication, even how it might behave in the future. These simulations go beyond snapshots; they are dynamic, predictive tools.

“We’re moving from describing symptoms to understanding mechanisms,” says Deco. “These models can predict the trajectory of illness after the first psychotic episode and test treatment effects before applying them in real life.”

Imagine being able to forecast whether a patient is likely to recover, and if not, intervene early with targeted therapies. That’s not science fiction anymore—it’s precision psychiatry, and it’s happening now.

A New Horizon in Mental Health Treatment

The implications of this study are profound. First, it provides a biological explanation for why some people recover from psychosis—an area that has long eluded psychiatry. Second, it offers a blueprint for designing new interventions aimed not just at alleviating symptoms but at restoring brain connectivity itself.

This might include cognitive training exercises that stimulate specific networks, neurofeedback therapies that teach the brain to self-correct, or even pharmacological agents that promote plasticity. It also opens the door to personalized medicine: treatments tailored to a patient’s unique neural profile, tested virtually before being prescribed physically.

Mana emphasizes the need to rethink how we categorize and treat mental illness. “We must move beyond broad diagnostic labels and look at the individual brain,” she explains. “This study shows how combining computational models with clinical insight can transform our understanding of mental disorders.”

The Hope and Humility of Neuroscience

Of course, there is much work to be done. The study is a landmark, but it is not the final word. Human brains are not machines. They are shaped by emotion, environment, relationships, and trauma. Even the most advanced model cannot capture the full spectrum of human experience.

But what this research does offer is a glimmer of hope. It suggests that the brain, even when overwhelmed by psychosis, is not beyond repair. It can rewire, reorganize, and renew itself. And with the right tools, science can help it do so more effectively.

This is not just about psychosis—it’s about the broader promise of neuroscience. The idea that mental health disorders are not life sentences, but dynamic conditions influenced by the architecture of the brain. It’s about moving beyond stigma and silence to embrace a future where diagnosis is guided by data and healing by understanding.

Conclusion: Toward a New Era of Brain Health

The study led by Ludovica Mana and her team marks a turning point in our understanding of psychosis. It moves the conversation from despair to possibility, from static diagnosis to dynamic insight. It bridges the gap between mind and brain, between clinical observation and computational precision.

Most importantly, it reminds us that behind every MRI scan is a person—a life disrupted by confusion and fear, but also a life capable of renewal. And in this journey from fragmentation to integration, the brain itself may hold the map to recovery.

In the silent circuitry of neurons, in the invisible web of connections that define our reality, lies a message: the brain can heal. And with science as our guide, we are learning how.

Reference: Ludovica Mana et al, Subgroup-specific brain connectivity alterations in early stages of psychosis, Nature Mental Health (2025). DOI: 10.1038/s44220-025-00394-7