We did not conduct DBS-Off scanning before DBS-On because all of the patients found it extremely difficult to perform the motor task without DBS and because we considered that the compound effects such as learning or fatigue might not be significant due to the simplicity of the task and sufficient resting interval between scans.
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A network analysis of ¹⁵O-H₂O PET reveals deep brain stimulation effects on brain network of Parkinson's disease.
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