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. Author manuscript; available in PMC: 2018 Jan 1.
Published in final edited form as: Neuroimage. 2016 Oct 1;144(Pt A):183–202. doi: 10.1016/j.neuroimage.2016.09.070

Fig. 14.

Fig. 14

The possible confound of meninges when deriving MTL cortical thickness measures from T1w MRI. The layer of meninges (red arrows) appears dark in T2w MRI (B) but has similar intensity to the MTL gray matter in T1w MRI (A). This may cause over-segmentation of the ERC and PRC in T1w MRI (C), reducing the accuracy of thickness measurements. Over-segmentation is unlikely in T2w MRI because of the strong contrast between the meninges and MTL gray matter (D). (For interpretation of the references to color in this figure legend, the reader is referred to the web version of this article.)