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Abstract #1824

GABA Concentration in Left and Right Sensorimotor Cortex Is Correlated Across Individuals

Nicolaas AJ Puts1, 2, C John Evans3, David J. McGonigle3, Richard AE Edden1, 2

1Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University, Baltimore, MD, United States; 2FM Kirby Center for Functional Brain Imaging, Kennedy Krieger Institute, Baltimore, MD, United States; 3CUBRIC, School of Psychology, Cardiff University, Cardiff, United Kingdom

Inter-individual differences in GABA concentration can shed light on the role of inhibition in cognitive processes. To date, several studies have shown that GABA concentration in functionally unrelated regions does not correlate between individuals. In this study we test the hypothesis that GABA concentration in two functionally related regions, right and left sensorimotor cortex, correlates across individuals.