MMR Summary:
See also: https://www.nitrc.org/plugins/mwiki/index.php/mmr:26148135
Diagnostic Groups: PSP, PD & CTL
Methods: VBM, fMRI (force production paradigm)
Findings:
fmri 1) We found that PSP and PD share reduced functional activity of the basal ganglia and cortical motor areas, but this is more pronounced in PSP than in PD.
fmri 2) In PSP the frontal regions are underactive
fmri 3) [In PSP] the posterior parietal and occipital regions are overactive as compared with controls and PD
fmri 4) lobules I through IV, V, and VI of the cerebellum are hypoactive in PSP and PD
fmri 5) Crus I and lobule IX are hyperactive in PSP only
vbm 1) Reductions in gray and white matter volume are specific to PSP
clinical 1) status of the caudate as well as the volume of the superior frontal gyrus predict clinical gait and posture measures in PSP