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Full-Text Articles in Biomedical Engineering and Bioengineering

Development Of A Unique Whole-Brain Model For Upper Extremity Neuroprosthetic Control, Dominic Nathan Oct 2010

Development Of A Unique Whole-Brain Model For Upper Extremity Neuroprosthetic Control, Dominic Nathan

Dissertations (1934 -)

Neuroprostheses are at the forefront of upper extremity function restoration. However, contemporary controllers of these neuroprostheses do not adequately address the natural brain strategies related to planning, execution and mediation of upper extremity movements. These lead to restrictions in providing complete and lasting restoration of function. This dissertation develops a novel whole-brain model of neuronal activation with the goal of providing a robust platform for an improved upper extremity neuroprosthetic controller. Experiments (N=36 total) used goal-oriented upper extremity movements with real-world objects in an MRI scanner while measuring brain activation during functional magnetic resonance imaging (fMRI). The resulting data was …


Detrimental Thoracoabdominal Interaction With Lateral Airbag Restraints, Jason John Hallman Oct 2010

Detrimental Thoracoabdominal Interaction With Lateral Airbag Restraints, Jason John Hallman

Dissertations (1934 -)

Side impact motor vehicle crashes pose unique challenges for occupant protection, particularly with regard to torso injury mitigation. The minimal crush distance between the vehicle exterior and the occupant torso has necessitated advanced passive safety technologies in response to tightened regulatory requirements and increased public awareness of safety issues. In particular, lateral airbag restraints (side airbags) have undergone a rapid and unregulated introduction in recent years, with US availability increasing to over 90% of new vehicles in 2010. As with frontal airbag restraints, the prdissertationsity for injury to occupants in close proximity to side airbag deployment remains a concern. Test …