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. 2019 Jan 18;9:27. doi: 10.1038/s41398-018-0365-6

Fig. 3. The high- frequency region of in vivo localized correlated spectroscopy (L-COSY) of the human brain (posterior cingulate gyrus) acquired at 3 T using the parameters given in Fig. 1, where both the IMI-1 and double bond of the lipid acyl chain are seen to increase in PTSD.

Fig. 3

Upper spectrum—healthy control, lower spectrum—participant with PTSD. Abbreviations: IMI-1, imidazole from histamine, histadine, and homocarnosine