Motion-adaptive PET technology for brain imaging of freely moving mice. This project aims to develop new brain imaging technology that adapts to and corrects for the motion of a responsive, freely moving mouse. Current technology requires the subject to be unconscious, precluding the use of imaging to study signalling pathways activated by external stimuli during cognitive and behavioural tasks. By harnessing new radiation detector, motion tracking and computational technologies, the project exp ....Motion-adaptive PET technology for brain imaging of freely moving mice. This project aims to develop new brain imaging technology that adapts to and corrects for the motion of a responsive, freely moving mouse. Current technology requires the subject to be unconscious, precluding the use of imaging to study signalling pathways activated by external stimuli during cognitive and behavioural tasks. By harnessing new radiation detector, motion tracking and computational technologies, the project expects to bridge this technology gap and provide significant technical and conceptual advances in the field. This will provide important benefits, such as equipping neuroscientists with new tools to answer fundamental questions about how the mammalian brain regulates behavioural adaptation to a changing environment.Read moreRead less
Next generation positron imaging technologies for contemporaneous measurements of brain function and behaviour in freely moving mice. The mouse brain is an important target for Post Emission Tomography (PET) imaging studies that aim to elucidate the role of specific molecular pathways in determining normal and aberrant brain function. However, current imaging technology requires the animal to be unconscious which precludes the study of pathways involved in cognition, learning and behaviour. To o ....Next generation positron imaging technologies for contemporaneous measurements of brain function and behaviour in freely moving mice. The mouse brain is an important target for Post Emission Tomography (PET) imaging studies that aim to elucidate the role of specific molecular pathways in determining normal and aberrant brain function. However, current imaging technology requires the animal to be unconscious which precludes the study of pathways involved in cognition, learning and behaviour. To overcome this major limitation this project will: investigate tomograph designs capable of continuously imaging a moving animal; develop a PET detector with sub-millimetre spatial resolution and depth-of-interaction capability; and, develop a fully integrated motion tracking system. This research will lead to next generation PET technologies for contemporaneous brain imaging and behavioural analysis in freely moving mice.Read moreRead less
Advanced computational algorithms for brain imaging studies of freely moving animals. Current brain imaging technology requires the animal to be unconscious. This project will remove this barrier by developing computational algorithms that measure brain function in freely moving animals. These technologies will provide brain scientists with new tools to study behaviour altering diseases, such as schizophrenia and depression.
Functional Electronic Stimulation of Muscles - Development of a Model for Sensory Feedback to Amputees and Vision for the Blind. Electrical stimulation of nerve fibres is an emerging physiological technique with great promise towards rehabilitation. The field lacks techniques for detailed, focal application of stimuli to recruit specific fibres for fine muscle control or conveying useful neurosensory information. The investigator has developed microtechnology for delivering stimuli to 100 sites, ....Functional Electronic Stimulation of Muscles - Development of a Model for Sensory Feedback to Amputees and Vision for the Blind. Electrical stimulation of nerve fibres is an emerging physiological technique with great promise towards rehabilitation. The field lacks techniques for detailed, focal application of stimuli to recruit specific fibres for fine muscle control or conveying useful neurosensory information. The investigator has developed microtechnology for delivering stimuli to 100 sites, conceivably facilitating recruitment of specific fibres within a given bundle. Effects of muscle stimulation are readily measured and shall be used to model and refine techniques for generic high-resolution fibre recruitment. Benefits include, improved muscle control in functional electrical stimulation, sensory perception for amputees and patterned vision from optic nerve stimulation.Read moreRead less
Conformal Bionics - addressing the challenges in bringing miniaturised implants to the site of therapeutic delivery. Smaller, more sophisticated, lifetime-implantable bionic devices capable of being placed at the site of therapeutic delivery will facilitate new or improved opportunities for treatment of disease. Three critical areas of research aim to be explored in pursuit of this goal will be addressed within this study: introduction of new fabrication materials that enable devices to conform ....Conformal Bionics - addressing the challenges in bringing miniaturised implants to the site of therapeutic delivery. Smaller, more sophisticated, lifetime-implantable bionic devices capable of being placed at the site of therapeutic delivery will facilitate new or improved opportunities for treatment of disease. Three critical areas of research aim to be explored in pursuit of this goal will be addressed within this study: introduction of new fabrication materials that enable devices to conform to the anatomy of the targeted site of therapeutic delivery; improved means of addressing the data and energy transfer needs of devices implanted in confined spaces; and innovation of novel sensors for testing and monitoring of atmospheric conditions within the implant to anticipate and safely manage issues relating to a breach of hermetic encapsulation barriers.Read moreRead less
Large-scale Parallelization of Neural Stimulation in a Visual Prosthesis. Over time, engineers have been able to treat a large number of disorders through new technologies. For example, the deaf can now hear again through cochlear implants. Similar efforts to provide vision to the blind, however, have met with difficulties owing to the high quantities of sites that must be stimulated to provide 'useful' vision. This study addresses the important issues relating to the delivery of large quantitie ....Large-scale Parallelization of Neural Stimulation in a Visual Prosthesis. Over time, engineers have been able to treat a large number of disorders through new technologies. For example, the deaf can now hear again through cochlear implants. Similar efforts to provide vision to the blind, however, have met with difficulties owing to the high quantities of sites that must be stimulated to provide 'useful' vision. This study addresses the important issues relating to the delivery of large quantities of electrical stimulations to surviving nerves in the eyes of blind patients in an effort to devise a beneficial visual prosthesis or 'bionic eye'. The outcomes of this study could substantially enhance Australia's already prominent reputation in neurostimulation and provide much needed treatments to vision disorders.Read moreRead less
Ultra-low fouling active surfaces. This project aims to develop chemistries and fabrication approaches through innovative materials evaluation to develop ultra-low fouling active electrode surfaces. Development of ultra-low fouling surfaces will have significant impact in a range of applications where system or device failure is attributed to fouling. The growing field of bionics, where implantable electronic devices interface directly with the nervous system, is one such device. The expected ou ....Ultra-low fouling active surfaces. This project aims to develop chemistries and fabrication approaches through innovative materials evaluation to develop ultra-low fouling active electrode surfaces. Development of ultra-low fouling surfaces will have significant impact in a range of applications where system or device failure is attributed to fouling. The growing field of bionics, where implantable electronic devices interface directly with the nervous system, is one such device. The expected outcomes will be an understanding of the material requirements that lead to the elimination of protein and cell accumulation at surfaces that degrades the performance and lifetime of these implants. The findings will benefit any application where fouling is a problem.Read moreRead less
Novel Neural Interfaces and Instrumentation for Stimulation and Monitoring of Retinal Activation in an Epiretinal Vision Prosthesis. Australia's reputation in medical neuroprostheses is second to none with the most notable example being the 'bionic ear' for the deaf. This research compliments that reputation by advancing science and engineering knowledge towards achieving a truly beneficial prosthesis for the blind, a 'bionic eye'. This research will also advance our capacity to address other a ....Novel Neural Interfaces and Instrumentation for Stimulation and Monitoring of Retinal Activation in an Epiretinal Vision Prosthesis. Australia's reputation in medical neuroprostheses is second to none with the most notable example being the 'bionic ear' for the deaf. This research compliments that reputation by advancing science and engineering knowledge towards achieving a truly beneficial prosthesis for the blind, a 'bionic eye'. This research will also advance our capacity to address other areas of therapeutic medical implants including those for limb movement to the paralysed. Benefits to the community include the very real possibility of restoring some visual capacity to the blind thus improving their quality of life through improved mobility, social interaction, and mental health. Read moreRead less
Quantifying cortical thickness and white matter hyperintensity volumes and determining their relationship on Magnetic Resonance Imaging in ageing brains. Australia's population is ageing, with a significant projected increase in the number of people aged over 65 and 85. Mental health and quality of life for this ageing population have become an increasingly important issue. This project directly addresses the National Research Priority 2 in the terms of ageing well, ageing productively. Accurat ....Quantifying cortical thickness and white matter hyperintensity volumes and determining their relationship on Magnetic Resonance Imaging in ageing brains. Australia's population is ageing, with a significant projected increase in the number of people aged over 65 and 85. Mental health and quality of life for this ageing population have become an increasingly important issue. This project directly addresses the National Research Priority 2 in the terms of ageing well, ageing productively. Accurately measuring the distribution of brain structural changes is an effective way of differentiating normal ageing from various pathological conditions reflecting the underlying pathology. The project has access to an unprecedented large sample of longitudinal Magnetic Resonance Imaging and health/clinical data and will produce a set of algorithms to examine this issue and put Australia at the forefront of such research.Read moreRead less
Structural design of third generation biomaterials. This project will design third generation biomaterials for heart valves, cartilage and bones that guide the formation of new tissue whilst being dissolved inside the human body. As a result, it is anticipated that painful and costly revision surgery will become obsolete. Major benefits will be achieved in paediatric health as implants will have the ability to grow with the child.