A neural network model of Parkinson's disease bradykinesia
Neural Networks
A Bio-inspired Architecture of an Active Visual Search Model
ICANN '08 Proceedings of the 18th international conference on Artificial Neural Networks, Part II
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Patients suffering from Parkinson’s disease display a number of symptoms such a resting tremor, bradykinesia, etc. Bradykinesia is the hallmark and most disabling symptom of Parkinson’s disease1 (PD). Herein, a basal ganglia-cortico-spinal circuit for the control of voluntary arm movements in PD bradykinesia is extended by incorporating DAergic innervation of cells in the cortical and spinal components of the circuit. The resultant model simulates successfully several of the main reported effects of DA depletion on neuronal, electromyographic and movement parameters of PD bradykinesia.