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Study reveals causes of language difficulties in children with dyslexia and ADHD health news


Neuroscientists at Georgetown University Medical Center say the abnormalities occur specifically in the anterior neostriatum within the basal ganglia, which is found deep in the brain.

Their findings, based on an analysis of 22 articles published in the journal Nature Human Behavior, may aid in both the diagnosis and treatment of developmental language problems seen in these children.

Using a new computational method, the team determined that “the anterior neostriatum was abnormal in 100 percent of the formation, with fewer abnormalities in all other parts of the brain”.

“We hope that by identifying the neural basis of developmental language problems, we can help raise awareness of a major, but underrecognized, disorder,” said lead author Michael T. Ullman, professor of neuroscience and director of the Brain and Language Laboratory. in Georgetown.

“We caution, however, that more research is needed to understand how the anterior neostriatum may contribute to language difficulties.”

Ullman said drugs that can improve movement disorders caused by basal ganglia dysfunction, such as those that act on dopamine receptors, may help with treatment. He also noted that basal ganglia abnormalities may also serve as early biomarkers that potentially lead to early treatment.

“Continued research efforts to understand the neurobiology of developmental language disorders, particularly the role of the basal ganglia, may help many children affected by these disorders,” Ullman said.

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