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. Author manuscript; available in PMC: 2021 Nov 1.
Published in final edited form as: Neurobiol Aging. 2020 Jul 21;95:240–249. doi: 10.1016/j.neurobiolaging.2020.07.015

Figure 2. Meta-analytic average effect sizes by methodological moderator variable.

Figure 2.

Average effect sizes (+/ 95% CI) shown for each variable were calculated from all available Glu and Glx effects. Effect sizes did not significantly differ by MRI Field Strength (A) or Voxel Type (C). Effect sizes for 1HMRS Protocol (B) and Quantification Method (D) were significantly heterogeneous.