StimExplorer: deep brain stimulation parameter selection software system.

StimExplorer is a Windows-based software package intended to aid the clinical implementation of deep brain stimulation (DBS) technology. StimExplorer uses detailed computer models to provide a quantitative description of the 3D volume of tissue activated (VTA) by DBS as a function of the stimulation parameters and electrode location within the brain. The stimulation models are tailored to the individual patient by importing their magnetic resonance imaging (MRI) data and interactively scaling 3D anatomical nuclei to fit the patient anatomy. The user also inputs the DBS electrode orientation, location, and impedance data. The software then provides theoretically optimal stimulation parameter suggestions, intended to represent the start point for clinical programming of the DBS device. The software system is packaged into a clinician-friendly graphical user interface that allows for simultaneous interactive 3D visualization of the MRI, anatomical nuclei, DBS electrode, and VTAs for a wide range of stimulation parameter settings (contact, impedance, voltage, pulse width, and frequency). The goals of the StimExplorer system are to educate clinicians on the impact of stimulation parameter manipulation, and improve therapeutic outcomes by providing quantitative anatomical and electrical information useful for customizing DBS to individual patients.

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