Article ; Online: Neural signal data collection and analysis of Percept™ PC BrainSense recordings for thalamic stimulation in epilepsy.
2024 Volume 21, Issue 1
Abstract: Deep brain stimulation (DBS) using Medtronic's Percept™ PC implantable pulse generator is FDA-approved for treating Parkinson's disease (PD), essential tremor, dystonia, obsessive compulsive disorder, and epilepsy. Percept™ PC enables simultaneous ... ...
| Abstract | Deep brain stimulation (DBS) using Medtronic's Percept™ PC implantable pulse generator is FDA-approved for treating Parkinson's disease (PD), essential tremor, dystonia, obsessive compulsive disorder, and epilepsy. Percept™ PC enables simultaneous recording of neural signals from the same lead used for stimulation. Many Percept™ PC sensing features were built with PD patients in mind, but these features are potentially useful to refine therapies for many different disease processes. When starting our ongoing epilepsy research study, we found it difficult to find detailed descriptions about these features and have compiled information from multiple sources to understand it as a tool, particularly for use in patients other than those with PD. Here we provide a tutorial for scientists and physicians interested in using Percept™ PC's features and provide examples of how neural time series data is often represented and saved. We address characteristics of the recorded signals and discuss Percept™ PC hardware and software capabilities in data pre-processing, signal filtering, and DBS lead performance. We explain the power spectrum of the data and how it is shaped by the filter response of Percept™ PC as well as the aliasing of the stimulation due to digitally sampling the data. We present Percept™ PC's ability to extract biomarkers that may be used to optimize stimulation therapy. We show how differences in lead type affects noise characteristics of the implanted leads from seven epilepsy patients enrolled in our clinical trial. Percept™ PC has sufficient signal-to-noise ratio, sampling capabilities, and stimulus artifact rejection for neural activity recording. Limitations in sampling rate, potential artifacts during stimulation, and shortening of battery life when monitoring neural activity at home were observed. Despite these limitations, Percept™ PC demonstrates potential as a useful tool for recording neural activity in order to optimize stimulation therapies to personalize treatment. |
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| MeSH term(s) | Humans ; Deep Brain Stimulation ; Thalamus ; Epilepsy/diagnosis ; Epilepsy/therapy ; Parkinson Disease/therapy ; Essential Tremor/diagnosis ; Essential Tremor/therapy |
| Language | English |
| Publishing date | 2024-02-06 |
| Publishing country | England |
| Document type | Journal Article ; Review ; Research Support, N.I.H., Extramural |
| ZDB-ID | 2170901-4 |
| ISSN | 1741-2552 ; 1741-2560 |
| ISSN (online) | 1741-2552 |
| ISSN | 1741-2560 |
| DOI | 10.1088/1741-2552/ad1dc3 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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