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Alcoholics' Brain Maintains Language Skills By Drawing From Other Regions
Prior neuroimaging studies have shown alcoholism-related damage to the frontal lobes and cerebellum. Yet even though these regions are involved in language processing, alcoholics' language skills appear to be relatively spared from alcohol's damaging effects. A new study suggests that alcoholics develop "compensatory mechanisms" to maintain their language skills despite alcohol's damages… compensation which may, in turn, have a restrictive effect on other processes.
Results will be published in the June issue of Alcoholism: Clinical & Experimental Research and are currently available at Early View.
"We believe there are certain neural substrates associated with the preserved mechanisms of language processing in alcoholics," said Jean-Luc Martinot, director of research and psychiatrist at INSERM/CEA/Université Paris sud/Université Paris Descartes, and corresponding author for the study. "We used functional magnetic resonance imaging (fMRI) to investigate if alcoholics develop a different pattern of neural activity that supports their language processing."
Martinot and his colleagues had 12 alcoholic males (who met Diagnostic and Statistical Manual of Mental Disorders - IV criteria) and 12 healthy males (or "controls") perform an auditory language task while receiving an fMRI scan.
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