Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 14 of 14 for “"neuroprosthetic"”.
-
Design and Control of Mechanoneural Interfaces for Neuroprosthetic Limbs
… necessary to facilitate a high degree of neuroprosthetic integration for human locomotion. In this thesis, we investigate the impact of preserving afferent feedback in residual limbs on the sensorimotor responses of individuals with below-knee amputations. Additionally, we present a …
-
Functional thin film polymers for biopassivation of neuroprosthetic implants
Neuroprosthetics is the investigation of methods to control external electronic devices utilizing recorded neuronal firing patterns. These investigations are crucial to the quality of life of quadriplegic patients. Central to this field is the ability to implant neural recording probes within the …
-
Rewiring neural conduits : engineering neuromuscular tissues for bidirectional neuroprosthetic interfacing
… bioelectronics to enable seamless, bidirectional neuroprosthetic interfacing. In this dissertation, I describe the design and preclinical validation of the regenerative agonist-antagonist myoneural interface (AMI) and myodermal interface (MI), which are reconstructive surgical models to restore …
-
Efficacy of Hammerstein models in capturing the dynamics of isometric muscle stimulated at various frequencies
… effectively as a rehabilitation intervention if neuroprosthetic controllers contain muscle models appropriate to the behavioral regimes of interest. The goal of this thesis is to investigate the performance of one such model, the Hammerstein cascade, in describing isometric muscle force. We …
-
A High-Precision Bioelectric Neural Interface Toward Human-Machine Symbiosis
… control of a multi-degree-of-freedom (DOF) neuroprosthetic hand with near-natural dexterity and intuitiveness while simultaneously delivering somatosensory feedback. Significance. Our study layouts the principled foundation toward not only a dexterous control strategy for advanced …
-
Characterizing motor control signals in the spinal cord
… This has important consequences in design of neuroprosthetic actuators: Inverse dynamic models of patient limbs and local positional feedbacks can improve their performance.
-
Hand (Motor) Movement Imagery Classification of EEG Using Takagi-Sugeno-Kang Fuzzy-Inference Neural Network
… nerve damage and would benefit from a neuroprosthetic device modulated by a Brain-Computer Interface (BCI). These devices restore independence by replacing peripheral nervous system functions such as peripheral control. Although there are currently devices under investigation, …
-
Developing a Neural Signal Processor Using the Extended Analog Computer
… The next generation of advanced multi-electrode neuroprosthetic devices aim to detect a multiplicity of channels from multiple electrodes, making the relatively time-critical processing problem massively parallel and pushing the computational demands beyond the limits of current embedded digital …
-
High-Density Electrode Arrays for Cutaneous Electrophysiology and Body Surface Potential Mapping Design, fabrication and biomedical applications
… posture-sensitive cardiac monitoring, neuroprosthetic decoding and sensorimotor integration, using interpretable machine learning to extract clinically meaningful insights from spatio-temporal signals. A multimodal framework is also presented to predict muscle activity from cortical …
-
Investigation of the Clinical Utility of the Spatio-Spectral Dynamics of Sensorimotor ECoG in Response to Different Somatosensory Stimulation Modalities in Human Subjects
… responses might be critical in designing future neuroprosthetic and restoring sensory function through closed-loop cortical stimulation.
-
Integrated Signal Demodulation, Data Conversion, and Packaging Strategies for a Wireless, Fully Implantable, Bidirectional Neural Interface
… wireless neural interface intended for neuroprosthetic and bioelectronic applications. The system, conceived within a broader collaborative project, consists of an inductively powered implantable hub and an external unit fabricated in 180nm CMOS technology, enabling wireless power …
-
Electrical and Optogenetic Stimulation of Sympathetic Neurons to Stabilize Blood Pressure after Acute Spinal Cord Injury
Spinal cord injury (SCI) is a life-changing condition that results in permanent motor disability and autonomic dysfunction. Acute blood pressure instability is associated with poor long term neurological recovery. Despite current clinical standards of care, blood pressure instability still occurs …
-
High dimensional information processing
… the recent literature on neural decoding and neuroprosthetic design. Part IV: A model of distributed parameter estimation in networks is introduced, where agents have access to partially informative measurements over time. Each agent faces a local identification problem, in the sense that it …
-
Acquisition systems and decoding algorithms of peripheral neural signals for prosthetic applications
During the years, neuroprosthetic applications have obtained a great deal of attention by the international research, especially in the bioengineering field, thanks to the huge investments on several proposed projects funded by the political institutions which consider the treatment of this …