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. 2017 May 16;12(5):e0177795. doi: 10.1371/journal.pone.0177795

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© 2017 Tapper et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 7 — Correlation plots (A, B) and Bland Altman plots (C, D, E, F) comparing GABA+ concentrations computed for the three post-processing techniques described in Fig 3, and comparing acquisitions with and without movements. The correlation plots (A, B) show the linear relationship between the two OSF techniques and the standard technique, each having a linear fit with a 95% confidence interval plotted for the GABA+ concentrations with and without intentional movements. The Bland Altman plots (C, D) show the difference between the standard technique and OSF plotted against the average GABA+ concentration obtained from these two techniques, and (E, F) illustrates the differences in GABA+ concentrations between measurements with and without intentional movements. The mean difference and mean average are illustrated by the locations of the intersecting intervals for estimates without movements (C, D) and OSF (E, F) shown in dark blue, and with movements (C, D) and Standard technique (E, F) shown in green. The intersecting intervals illustrate the 95% confidence intervals of the mean difference and mean average.