This brief highlights how genetic factors can influence cognitive flexibility and reality-updating processes, areas frequently examined by mental health professionals in relation to psychosis and decision-making. The finding emphasizing thalamus–prefrontal cortex circuitry offers a concise example of neural pathways that may underlie adaptive versus perseverative thinking, a pattern clinicians encounter when working with schizophrenia and related conditions.

Article Title: A gene mutation may trap the brain in the wrong reality in schizophrenia patients

Link to Science Daily Mind-Brain News: https://www dot sciencedaily dot com/releases/2026/04/260402042740 dot htm

A gene mutation may trap the brain in the wrong reality in schizophrenia patients
https://www dot sciencedaily dot com/releases/2026/04/260402042740 dot htm
A newly identified gene mutation may help explain why schizophrenia patients struggle to update their understanding of reality. The mutation disrupts a brain circuit involved in flexible decision-making, causing mice to stick with outdated choices even when conditions change. Researchers pinpointed the issue to a key thalamus–prefrontal cortex pathway. By reactivating this circuit, they were able to restore normal behavior—raising hope for future therapies.
via Mind & Brain News -- ScienceDaily https://www dot sciencedaily dot com/news/mind_brain/
April 3, 2026 at 03:10AM

#genetics
#schizophrenia
#neurocircuitry
#thalamusprefrontal
#cognitiveflexibility

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🧠 New publication from our lab 🥳! Nala ( @MaFu55 Lab, @dzne) & Naya (Corentin Le Magueresse Lab) show that #schizophrenia-associated complement C4 impairs #synaptic connectivity and alters #microglia–synapse interactions via #CR3 signaling.

📝 https://doi.org/10.1016/j.celrep.2026.117161

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"In “Reframing schizophrenia as a neurodevelopmental syndrome: The scientific and social imperative,” the authors outline a three-part strategy to translate this understanding into practice:
• Reclassify schizophrenia within diagnostic systems as neurodevelopmental
• Rename the condition to better reflect current science and reduce stigma
• Reshape how it is identified and treated, with greater emphasis on earlier recognition and more continuous, developmentally informed care."

"a neurodevelopmental lens also strengthens the rationale for social investment in schizophrenia by positioning biological vulnerability within social contexts that influence developmental trajectories. Early adversity, trauma, and social exclusion can harm neural development, while supportive environments such as stable housing, education, and community integration exert measurable neuroprotective effects".

#Schizophrenia Research,
Volume 292, 2026, Pages 96-102, ISSN 0920-9964, https://doi.org/10.1016/j.schres.2026.03.001