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.
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Showing 1 to 20 of 48 for “"Neural Interfaces"”.
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Multifunctional fiber-based neural interfaces
… However, our ability to understand and to treat neural disorders is currently limited by the lack of tools capable of interfacing with the brain over extended periods of time. This is hypothesized to stem from the mismatch in mechanical and chemical properties between the neural probes and the …
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Customizing Multifunctional Bidirectional Neural Interfaces through Fiber Drawing
… flexible fibers that record and modulate neural activity. However, constraints on the thermomechanical properties of materials have prevented the fiber integration of metals and low-loss polymer waveguides for concurrent electrical and optical neuromodulation. To address this challenge, …
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Materials selection and processing for reliable neural interfaces
… on a parallelized scale, without disrupting the neural physiology. Existing technologies do not sufficiently carry out these functions. Using a thermal drawing process (TDP), multimaterial fibers comprised of polymer-metal composites can be fabricated to create flexible, microelectrode arrays. …
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Measurement of motor imagery brain activity for wearable neural interfaces
L'abstract è presente nell'allegato / the abstract is in the attachment
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Transparent neural interfaces for simultaneous electrophysiology and advanced brain imaging
… the other hand, microelectrode arrays (MEAs) and neural probes are indispensable in deciphering the electrical activity of neurons. Unfortunately, simultaneous imaging and electrophysiology is challenging with conventional metal electrodes which are non-transparent. In MRI, the issue is compounded …
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Biohybrid Neural Interfaces: Exploring the Role of Regional Astroglia in Neuronal Integration and Functionality
Biohybrid Neural Interfaces (BNIs) offer an innovative approach to neural implantation by incorporating living neurons and traditional neural implants. This creates a dynamic cellular environment that allows for more natural interactions with host neural tissues. Given that BNIs incorporate living …
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Biohybrid Peripheral Neural Interfaces: Combining Cell Transplantation and Flexible Electronics for Functional Neurological Restoration
… of a biohybrid peripheral nerve multielectrode neural interface device. My devices are fabricated using photolithography and chemical etching techniques to establish a functional electronic device. This multielectrode neural device contains 32 electrodes. Each electrode consisting of planar …
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Development and application of innovative technologies to unravel neuronal systems: From optogenetics to neural interfaces to spatial transcriptomics
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2027-05-01
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Frequency Interception and Manipulation Vulnerabilities in Myoelectric-Computer Interface Signal Transmission
Neural interface systems such as myoelectric-computer interfaces (MCIs) and brain-computer interfaces (BCIs) assist patients with motor impairments due to injury or neurodegenerative conditions. Neural interface research has focused on device accuracy and usability while neglecting to …
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Integrating Biological and Artificial Neural Networks Processing on FPGAs
Neural interfaces are rapidly gaining momentum in the current landscape of neuroscience and bioengineering. This is due to a) unprecedented technology capable of sensing biological neural network electrical activity b) increasingly accurate analytical models usable to represent and understand …
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Development Of Carbon Based Neural Interface For Neural Stimulation/recording And Neurotransmitter Detection
<p>Electrical stimulation and recording of neural cells have been widely used in basic neuroscience studies, neural prostheses, and clinical therapies. Stable neural interfaces that effectively communicate with the nervous system via electrodes are of great significance. Recently, flexible neural …
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An implantable piezoelectric ultrasound stimulator (ImPULS) for selective deep brain activation
… for neurological disorders. However, current neural interfaces targeting the deep brain face significant limitations in spatial resolution and potency due to tissue attenuation. We developed an implantable piezoelectric ultrasound stimulator (ImPULS) that generates an ultrasonic focal point …
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RAPID FABRICATION OF CUSTOMIZABLE MXENE/POLYDOPAMINE (MXPDA) ELECTRODES
… designs that integrate more harmoniously with neural tissues, thereby enhancing biocompatibility and long-term stability. Most commercial neural implants are not customizable and feature a limited number of electrodes, which constrains the scope of neural data that can be captured. This …
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Inflammasome mediated response to biomaterials implanted in the peripheral nervous system
… available in clinical practice. Implantable neural interfaces represent a promising tool, able to potentially restore loss of neurological function in brain, spinal cord or peripheral nerve injury patients. However, neural interfaces require selectivity and long-term stability, which are …
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Characteristics and usefulness of interfascicular contacts in peripheral nerve recording
Neural interfaces have been used in conjunction with source separationalgorithms to address the challenge of extracting useful command signals fromnerves. A peripheral nerve interface is generally useful for signal extraction if it (1) exhibits favorable recording characteristics such as …
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Implantable Bioelectronics with Integrated Shape Actuation for Minimally Invasive Neural Interfacing
… is explored to create minimally invasive neural interfaces. Electrocorticography is an established neural interfacing technique wherein an array of electrodes enables large-area recording from the cortical surface. Electrocorticography is commonly used for seizure mapping however the …
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Self-rolled-up membrane (S-RuM) capacitors and filters for radio frequency communication
… in passive electronics, photonics, and neural interfaces, and achieves great device size reduction and performance enhancement. For passive electronics, devices based on S-RuM utilize electromagnetic energy well- confined in the device tubular cavity with extremely high efficiency, and …
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Flexible, stretchable, and transient electronics for integration with the human body
… capable of establishing intimate, long-lived interfaces to the human body have broad utility in continuous measurement of physiological status, with the potential to significantly lower tissue injury and irritation after implants. The development of such soft, biocompatible platforms and …
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Peripheral Nervous System Modulation with Wireless Cellular Sized Freestanding Injectable Devices
Designing novel neural interfaces is essential for various medical applications, scientific research, and human augmentation. One of the foundations of neural interface and bioelectronic medicine is the electrical stimulation of excitable cells, to interface the body with electronics and treat a …
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Mana Motuhake Ringa: The non-invasive neural interface based artificial hand
… many attempts to restore hand function through neural prosthetics there is little to no credible solutions to regain it. This thesis presents methods to restore hand function based on the human grasping system and addresses key challenges in the practical application of those methods. The …
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