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Results: 2

1.
Figure 1

Figure 1. Areas of gray matter atrophy derived from a voxel-based morphometric direct comparison between patients with p-TD (n = 29) and p-PIGD (n = 30) subtypes. From: Gray matter atrophy distinguishes between Parkinson disease motor subtypes.

The results are superimposed in representative sagittal and axial sections of a customized gray matter template, at a threshold of p < 0.05, false discovery rate corrected. IFG = inferior frontal gyrus; IPL = inferior parietal lobe; PHG = parahippocampal gyrus; p-PIGD = predominately postural instability gait difficulty; p-TD = predominately tremor dominant; SMA = supplementary motor area.

Keren Rosenberg-Katz, et al. Neurology. 2013 April 16;80(16):1476-1484.
2.
Figure 2

Figure 2. Areas of gray matter atrophy derived from a direct comparison between patients with TD (n = 37) and PIGD subtypes (n = 60) using a ratio of symptoms to determine the group classification1. From: Gray matter atrophy distinguishes between Parkinson disease motor subtypes.

The results are superimposed in representative sagittal and axial sections of a customized gray matter template, at a threshold of p < 0.05, cluster-level corrected. The results shown here are very similar to those shown in figure 1, supporting the idea that the results for the p-TD and p-PIGD comparisons are generalizable. IFG = inferior frontal gyrus; IPL = inferior parietal lobe; PHG = parahippocampal gyrus; p-PIGD = predominately postural instability gait difficulty; p-TD = predominately tremor dominant; SMA = supplementary motor area.

Keren Rosenberg-Katz, et al. Neurology. 2013 April 16;80(16):1476-1484.

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