Mathematical modeling for optimization of Deep Brain Stimulation [Elektronisk resurs]
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Cubo, Rubén (författare)
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Medvedev, Alexander (preses)
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Uppsala universitet Teknisk-naturvetenskapliga vetenskapsområdet (utgivare)
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Uppsala universitet Teknisk-naturvetenskapliga vetenskapsområdet (utgivare)
- Uppsala universitet 2016
- Engelska.
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Serie: IT licentiate theses / Uppsala University, Department of Information Technology 1404-5117
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Sammanfattning
Ämnesord
Stäng
- Deep Brain Stimulation (DBS) consists of sending mild electric stimuli to the brain via a chronically implanted lead. The therapy is used to alleviate the symptoms of different neurological diseases, such as Parkinson's Disease. However, its underlying biological mechanism is currently unknown. DBS patients undergo a lengthy trial-and-error procedure in order to tune the stimuli so that the treatment achieves maximal therapeutic benefits while limiting side effects that are often present with large stimulation values. The present licentiate thesis deals with mathematical modeling for DBS, extending it towards optimization. Mathematical modeling is motivated by the difficulty of obtaining in vivo measurements from the brain, especially in humans. It is expected to facilitate the optimization of the stimuli delivered to the brain and be instrumental in evaluating the performance of novel lead designs. Both topics are discussed in this thesis. First, an analysis of numerical accuracy is presented in order to verify the DBS models utilized in this study. Then a performance comparison between a state-of-the-art lead and a novel field-steering lead using clinical settings is provided. Afterwards, optimization schemes using intersection of volumes and electric field control are described, together with some simplification tools, in order to speed up the computations involved in the modeling.
Ämnesord
- Engineering and Technology (hsv)
- Electrical Engineering, Electronic Engineering, Information Engineering (hsv)
- Control Engineering (hsv)
- Teknik och teknologier (hsv)
- Elektroteknik och elektronik (hsv)
- Reglerteknik (hsv)
- Medical Engineering (hsv)
- Medical Equipment Engineering (hsv)
- Medicinteknik (hsv)
- Medicinsk apparatteknik (hsv)
- Elektroteknik med inriktning mot reglerteknik (uu)
- Electrical Engineering with specialization in Automatic Control (uu)
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