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Getting the latest healthcare news for you
Schizophrenia erodes brain connections in a non-random, organized way. Using specialized PET imaging, researchers found widespread synaptic loss in schizophrenia patients—hitting the left brain harder—and traced it to a specific left frontal region that may be where the damage begins. The findings, published in Molecular Psychiatry, could open doors to more targeted treatments.
Scientists have long suspected that schizophrenia involves damage to the brain's synaptic connections, but pinpointing exactly where and how has been elusive—until now. Using specialized PET imaging, researchers from Rutgers and Yale directly measured synaptic density in living brains, finding widespread loss across frontal, temporal, memory, and emotion-related regions in people with schizophrenia. Notably, the left side of the brain was significantly more affected than the right.
What makes the findings especially striking is that the pattern of synaptic loss didn't match the brain volume changes typically seen on standard MRI scans—suggesting these are two distinct biological processes. The team also used computer modeling to identify a left frontal lobe region as a likely origin point from which synaptic loss may spread through connected brain areas.
Key Takeaways:
Why it matters: This research reframes schizophrenia as a condition with a traceable, structured pattern of brain damage—not random deterioration. That opens the door to more precise, targeted interventions, including emerging therapies aimed at preserving or regrowing synapses.
