Altered Dorsolateral Prefrontal Glutamate Dynamics During Working Memory in Trauma-Exposed Individuals With and Without PTSD: A 7T Functional Magnetic Resonance Spectroscopy Study
Alex S. Beaver, Sarah E. Whiteman Sitts, Abigail Anne Camden, Stephanie M. Jeffirs, Frank W. Weathers, Thomas S. Denney, Meredith Amanda Reid
This study uses 7T fMRS to examine DLPFC glutamate dynamics during working memory in PTSD, trauma-exposed, and non-trauma-exposed individuals, finding altered glutamate levels and cognitive performance differences.
bioRxiv · Aug 19, 2026 · PreprintNeuroscience