Area:
Cerebellum, behavior, neurophysiology
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High-probability grants
According to our matching algorithm, Ingrid van Welie is the likely recipient of the following grants.
Years |
Recipients |
Code |
Title / Keywords |
Matching score |
2020 |
Van Welie, Ingrid |
R43Activity Code Description: To support projects, limited in time and amount, to establish the technical merit and feasibility of R&D ideas which may ultimately lead to a commercial product(s) or service(s). |
Assessing the Commercial Potential of High-Density Electrodes With Single Unit Recording and Stimulation Capabilities. @ Neural Dynamics Technologies, Llc
SF424 ? Project Summary Understanding how the brain generates certain behaviors requires an understanding of the function of individual neurons in dynamical neural circuits. Currently, there are few technologies available however that allow researchers to record both the activity within a brain region, and between brain regions in the brains of awake, behaving animals. Recent advances in microelectrode fabrication are now enabling recordings of recording hundreds to thousands of neurons simultaneously across brain regions that will lead to functional analyses of dynamical neural circuits. To date however, there are no commercially available low-cost solutions for these kinds of high-density probes. In addition, available high-density probes do not offer customization in design and layout. Neural Dynamics Technologies develops low-cost, highly customizable, high-density probes for acute and chronic experiments in rodents. These probes are innovative because they rely on a new fabrication process that allows for both customization in probe design and low-cost fabrication. Furthermore, our probes are compatible for integration with existing commercial amplifier systems that are standardly used for both acute and chronic experiments in rodents. The first aim of our SBIR proposal was to streamline the design process of high-density probes such that the fabrication process will be ready to produce a wide variety of probe designs at low cost. The second aim involves streamlining the production methods to enable fabrication of customizable probes with broad compatibility with existing commercial amplifier systems. Currently, the above-mentioned aims of our Phase I proposal are largely achieved, and to prepare for commercialization, we would like to participate in the NIH I-Corps program so that we can determine best product-customer fit for our technology.
|
0.903 |
2021 |
Van Welie, Ingrid |
R44Activity Code Description: To support in - depth development of R&D ideas whose feasibility has been established in Phase I and which are likely to result in commercial products or services. SBIR Phase II are considered 'Fast-Track' and do not require National Council Review. |
Designing Low-Cost, Customizable High-Density Probes For Acute and Chronic Neural Recordings in Rodents @ Neural Dynamics Technologies, Llc
SUMMARY Understanding how the brain controls behavior requires studying the dynamic activity of different types of neurons in distributed neural circuits in awake behaving animals. Currently, there are few technologies available however that allow researchers to record the activity of hundreds to thousands of neurons at arbitrary depth in the brains of awake, behaving animals. While there has been much recent progress in the development of high-density micro-fabricated silicon probes, current commercially available probes offer little to no customizability to the morphology of different brain regions and different cell types within brain regions. Even more importantly, there are no commercially available solutions of high-density probes with integrated stimulation capabilities enabling causal, closed-loop experimentation. In Phase I, we designed and fabricated customizable high-density recording probes for acute head-fixed recordings and streamlined our fabrication strategies. The resulting devices had high yields of functional electrode sites and were successfully used by beta-tester labs to generate data with good signal-to-noise ratios. We furthermore built an online graphical interface where end-users can design their probes and submit their designs for fabrication. In Phase II, Neural Dynamics Technologies LLC will develop customizable, high-density probes with integrated closed-loop capabilities that can be chronically implanted for use in animals that are either head-fixed or able to move around freely. The first aim of our Phase II proposal is to integrate light delivery and electrical stimulation capabilities onto our probes to enable closed-loop experimentation. The locations for light delivery and electrical stimulation will be customizable so that customers can specify their desired location. The second aim will be to develop a packaging approach that involves building an application specific integrated circuit (ASIC) and a head-stage that can control all integrated functionalities. The combined packaged device will be small enough to enable chronic experiments in either head- fixed or freely moving animals. The third aim will be to perform both bench-top testing and in vivo animal testing of devices to establish basic functionality and effectiveness of the devices. In summary, NDT will design innovative closed-loop interfaces that will enable causal studies addressing the functional role of different brain regions and neuron types in the brains of both head-fixed and freely moving animals. These types of closed-loop devices may be further evolved into neural implants to treat neurological diseases such as refractory epilepsy, Parkinson?s and other tremor disorders.
|
0.903 |