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Frequency-specific network activity predicts bradykinesia severity in Parkinson’s disease

2021

Highlights • Parallel subnetworks are affected in bradykinesia. • The primary motor and the premotor cortex are common nodes with task-specificity. • Beta activity decreases, gamma activity increases with improvement of bradykinesia. • Subthalamic stimulation reduces beta, increases gamma power in ipsilateral cortex. • Subnetworks act with frequency-specific oscillations.

PPC posterior parietal cortexBradykinesiaParkinson's diseaseDeep brain stimulationCognitive Neurosciencemedicine.medical_treatmentComputer applications to medicine. Medical informaticsR858-859.7FT finger tappingHypokinesiaElectromyographyElectroencephalographyPS pronation-supinationGamma oscillationPremotor cortexCER cerebellumSubthalamic NucleusDeep brain stimulationmedicineHumansRadiology Nuclear Medicine and imagingRC346-429SMA supplementary motor cortexM1 primary motor cortexResting state fMRImedicine.diagnostic_testbusiness.industryRegular ArticleBeta oscillationmedicine.diseasehumanitiesnervous system diseasesParkinson diseaseHG hand graspingSubthalamic nucleusCross-Sectional Studiesmedicine.anatomical_structurePMC premotor cortexNeurologyDLPFC dorsolateral prefrontal cortexFinger tappingStrEM structural equation modellingNeurology. Diseases of the nervous systemNeurology (clinical)businessNeuroscienceSTN subthalamic nucleusNeuroImage: Clinical
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