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Effects Of Hearing Aid Amplification On Robust Neural Coding Of Speech, Jonathan Daniel Boley
Effects Of Hearing Aid Amplification On Robust Neural Coding Of Speech, Jonathan Daniel Boley
Open Access Dissertations
Hearing aids are able to restore some hearing abilities for people with auditory impairments, but background noise remains a significant problem. Unfortunately, we know very little about how speech is encoded in the auditory system, particularly in impaired systems with prosthetic amplifiers. There is growing evidence that relative timing in the neural signals (known as spatiotemporal coding) is important for speech perception, but there is little research that relates spatiotemporal coding and hearing aid amplification.
This research uses a combination of computational modeling and physiological experiments to characterize how hearing aids affect vowel coding in noise at the level of …
Modeling Tools For Conformal Orthotic Devices, Steven David Riddle
Modeling Tools For Conformal Orthotic Devices, Steven David Riddle
Open Access Theses
The purpose of this thesis is to advance the design of conformal orthotic devices through the development of two modeling tools to address knowledge gaps in the field.
The field of human orthotics has been continually troubled by identifying successful methods of harnessing devices to the body. Past orthotics have utilized a rigid framework with minimal degrees of freedom (DOFs) driven by hard actuators attached to the body at select anchor points. Many devices design the structure and anchor points such that they reduce the degrees of freedom of a targeted joint, limiting the user's mobility and often causing the …