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Brain circuit problem likely sets stage for the 'voices' that are symptom of schizophrenia
Date:6/5/2014

lly nerve impulses in the mutant neurons were reduced compared to normal mice. But the nerve impulses were almost universally enhanced by antipsychotics in neurons from mutant mice, but only in neurons from the auditory thalamus.

When researchers looked more closely at the missing 22q11 genes, they found that mice that lacked the Dgcr8 responded to a loud noise in a similar manner as schizophrenia patients. Treatment with haloperidol restored the normal startle response in the mice, just as the drug does in patients.

Studying schizophrenia and other brain disorders advances understanding of normal brain development and the missteps that lead to various catastrophic diseases, including pediatric brain tumors and other problems.


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Contact: Carrie Strehlau
carrie.strehlau@stjude.org
901-595-2295
St. Jude Children's Research Hospital
Source:Eurekalert

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