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. Author manuscript; available in PMC: 2018 Aug 1.
Published in final edited form as: Brain Lang. 2017 May 17;171:42–51. doi: 10.1016/j.bandl.2017.05.001

Figure 2.

Figure 2

Regions of interest for language performance in Parkinson’s Disease Spectrum Disorder1

Note. 1. Red = Middle frontal gyrus (MFG); Blue = Opercular part of inferior frontal gyrus (IFG); Green = Transverse temporal gyrus (TTG); Purple = Planum temporale (PT); Clear = Primary motor cortex.

Significant regressions:

Speech rate – Right MFG, R2 = .94

Speech rate – Right IFG, R2 = .76

Mean length of utterance – Left IFG, R2 = .85

Content – Left TTG, R2 = .75