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Research ArticleFunctional
Open Access

Altered Brain Activation and Connectivity in Early Parkinson Disease Tactile Perception

H. Cao, X. Xu, Y. Zhao, D. Long and M. Zhang
American Journal of Neuroradiology November 2011, 32 (10) 1969-1974; DOI: https://doi.org/10.3174/ajnr.A2672
H. Cao
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X. Xu
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Y. Zhao
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D. Long
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M. Zhang
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    Fig 1.

    Within-group activation maps in controls (A) and patients with early PD (B). The hot colors indicate the activated regions under tactile perception (P < .05 with FWE correction, voxels >10).

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    Fig 2.

    The hyperactive (red) and hypoactive (blue) brain regions in a patient with PD compared with the control under tactile perception (P < .005, uncorrected).

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    Fig 3.

    Correlation between connectivity degrees (Γ) and UPDRS scores in ispilateral supplementary motor area in PD.

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    Fig 4.

    Reduced (A) and enhanced (B) connection strengths (z) in brain links in patients with PD compared with controls (P < .005).

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American Journal of Neuroradiology: 32 (10)
American Journal of Neuroradiology
Vol. 32, Issue 10
1 Nov 2011
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H. Cao, X. Xu, Y. Zhao, D. Long, M. Zhang
Altered Brain Activation and Connectivity in Early Parkinson Disease Tactile Perception
American Journal of Neuroradiology Nov 2011, 32 (10) 1969-1974; DOI: 10.3174/ajnr.A2672

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Altered Brain Activation and Connectivity in Early Parkinson Disease Tactile Perception
H. Cao, X. Xu, Y. Zhao, D. Long, M. Zhang
American Journal of Neuroradiology Nov 2011, 32 (10) 1969-1974; DOI: 10.3174/ajnr.A2672
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