MRS was employed in two regionally distinct prefrontal voxels (dorsal and ventral) in 62 adult females and 119 adolescents (60 males, 59 females) to determine the variations of GABA and GLX concentrations with regional specificity, participant gender, and age. The results indicate that levels of prefrontal neurotransmitter concentrations are influenced by age. Furthermore, the results suggest that the relationship between neurotransmitter levels can vary for adjacent portions of cortex, being more highly correlated for the dorsal than ventral voxel.
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