Inhomogeneous tissue conductivity influence on the forward and inverse electroencephalogram problems in realistic head models. The brain dysfunction indicators have been extremely difficult to obtain, largely because many disorders of higher brain function reflect abnormalities of brain function rather than apparent brain structure. The neuronal generator localization and identification in this project will provide complementary information about source and timing of neural activities sub-servin ....Inhomogeneous tissue conductivity influence on the forward and inverse electroencephalogram problems in realistic head models. The brain dysfunction indicators have been extremely difficult to obtain, largely because many disorders of higher brain function reflect abnormalities of brain function rather than apparent brain structure. The neuronal generator localization and identification in this project will provide complementary information about source and timing of neural activities sub-serving higher brain function and form sequences of spatial-temporal brain activity image. That will enable the information from MRI, which has a good spatial but poor temporal resolution, and the information from EEG, which has a high temporal resolution on the scalp, to be combined to provide clinical psychologists and brain researchers a more efficient diagnostic tool.Read moreRead less
Magnetic Resonance Imaging in Inhomogeneous Magnetic Fields-Part A: The Development of Imaging Methods Using Even Order Zonal Fields. Part B: Slice Correction Due to Non-linear Gradient Fields. The primary aims of this project are to contribute to the new generation of MRI methodologies through technical innovation, with particular emphasis on NMR imaging under inhomogeneous magnetic fields. The new techniques will be of enormous benefit for superconducting magnet design, reducing material usage ....Magnetic Resonance Imaging in Inhomogeneous Magnetic Fields-Part A: The Development of Imaging Methods Using Even Order Zonal Fields. Part B: Slice Correction Due to Non-linear Gradient Fields. The primary aims of this project are to contribute to the new generation of MRI methodologies through technical innovation, with particular emphasis on NMR imaging under inhomogeneous magnetic fields. The new techniques will be of enormous benefit for superconducting magnet design, reducing material usage, and eliminating the need for the expensive post-production shimming process. The entailed project is extremely challenging, while preliminary calculations presented in this application show some progress towards demonstration of feasibility. The program is an ambitious one with a full R&D program over 3 years, which will provide leadership, and to both foster and focus research interest in Australian engineering and scientific endeavors in the field of Magnetic Resonance technology.Read moreRead less
High Field Magnetic Resonance Engineering. The use of high resolution MRI is increasingly important in the quest for molecular imaging and the development of a range of gene therapies, stem cell research and the trialling of new drugs. This research will add momentum to Australia's health technology research community with positive impact on its international research and development profile. Successful outcomes will improve both the applicability and cost-effectiveness of numerous current and ....High Field Magnetic Resonance Engineering. The use of high resolution MRI is increasingly important in the quest for molecular imaging and the development of a range of gene therapies, stem cell research and the trialling of new drugs. This research will add momentum to Australia's health technology research community with positive impact on its international research and development profile. Successful outcomes will improve both the applicability and cost-effectiveness of numerous current and potential medical and non-medical imaging systems with subsequent potential for improved diagnosis in the biotech and health sectors in Australia and overseas. Successful outcomes will provide economic returns through licensing payments from the generated intellectual property.Read moreRead less
Transceive Phased Arrays for Parallel Imaging in High Field Magnetic Resonance Microscopy. This project will contribute to the development of a new generation of Magnetic Resonance Imaging systems that provide new and innovative features capable of significantly increasing the resolution and /or speed of imaging. The economic benefit of being a developer of this technology is clear and significant. These new systems will enhance the efficiency and power of clinical diagnostic testing. Specifica ....Transceive Phased Arrays for Parallel Imaging in High Field Magnetic Resonance Microscopy. This project will contribute to the development of a new generation of Magnetic Resonance Imaging systems that provide new and innovative features capable of significantly increasing the resolution and /or speed of imaging. The economic benefit of being a developer of this technology is clear and significant. These new systems will enhance the efficiency and power of clinical diagnostic testing. Specifically, the enabling of molecular imaging will enhance the study of many more disease states and rapid assessment of new in vivo therapeutic agents. The side-stream benefit to biomedical research and development in Australia is therefore substantial. Read moreRead less
Advanced MRI Engineering. Magnetic Resonance Imaging is rapidly becoming the medical imaging modality of choice for soft tissue injuries. The technology development of MRI, however, is relatively young with only 20 years or so of commercial development. The major aim of this project is to contribute to this and the next generation of MRI scanners through technical innovation. New engineering design methods will be developed and used to generate novel superconducting magnet systems and associated ....Advanced MRI Engineering. Magnetic Resonance Imaging is rapidly becoming the medical imaging modality of choice for soft tissue injuries. The technology development of MRI, however, is relatively young with only 20 years or so of commercial development. The major aim of this project is to contribute to this and the next generation of MRI scanners through technical innovation. New engineering design methods will be developed and used to generate novel superconducting magnet systems and associated equipment. A strong focus of the design work will be to include electromagnetic models of the patient in the equipment design. This will not only ensure improved accuracy and speed of MRI scans, but also better patient safety, comfort and clinician access.Read moreRead less
Solutions for reducing magnetic resonance image degradations and tissue heating at high frequencies. This project will contribute to the development of the high-end Magnetic Resonance Imaging (MRI) systems that can substantially improve the image quality, speed of imaging and patient safety in MRI. The project will develop innovative high radio frequency hardware and control methods for imaging. Successful outcomes of this project will, facilitate higher patient throughput in hospitals, provisi ....Solutions for reducing magnetic resonance image degradations and tissue heating at high frequencies. This project will contribute to the development of the high-end Magnetic Resonance Imaging (MRI) systems that can substantially improve the image quality, speed of imaging and patient safety in MRI. The project will develop innovative high radio frequency hardware and control methods for imaging. Successful outcomes of this project will, facilitate higher patient throughput in hospitals, provision of more powerful clinical imaging tools to aid early diagnosis and various research modalities ranging from molecular to real-time imaging during interventional procedures.Read moreRead less
Biomedical imaging with spins in nanoparticles: from single cell to whole-body scanning. The engineering of new biomedical technology is critical in underpinning our understanding of physiology and in the early detection of disease. This project will construct novel instrumentation for investigating normal and diseased physiology using bioagents based on diamond and ruby nanoparticles. The imaging and tracking techniques proposed are non-invasive, nontoxic, and provide high-resolution access to ....Biomedical imaging with spins in nanoparticles: from single cell to whole-body scanning. The engineering of new biomedical technology is critical in underpinning our understanding of physiology and in the early detection of disease. This project will construct novel instrumentation for investigating normal and diseased physiology using bioagents based on diamond and ruby nanoparticles. The imaging and tracking techniques proposed are non-invasive, nontoxic, and provide high-resolution access to specific physiological interactions of paramount importance in, for instance, understanding cancer pathways and developing strategies for targeted drug delivery.Read moreRead less
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
Rotating Radiofrequency Phased-array for 7 Tesla Magnetic Resonance Imaging. This project aims to develop a new type of radiofrequency coil array to ensure high-field magnetic resonance imaging (MRI), with all its benefits, is available for a broader range of applications. High-field MRI offers faster scans with more detailed images than lower field systems. This enhanced sensitivity potentially enables smaller structures to be resolved in the body. At high fields, however, standard radiofrequen ....Rotating Radiofrequency Phased-array for 7 Tesla Magnetic Resonance Imaging. This project aims to develop a new type of radiofrequency coil array to ensure high-field magnetic resonance imaging (MRI), with all its benefits, is available for a broader range of applications. High-field MRI offers faster scans with more detailed images than lower field systems. This enhanced sensitivity potentially enables smaller structures to be resolved in the body. At high fields, however, standard radiofrequency coils, an essential component of MRI systems, can distort images and induce potentially harmful tissue heating. The aim is to design and develop a rotating multi-channel radiofrequency coil array, with dedicated image reconstruction software, to overcome these limitations. This would facilitate detailed images that can be obtained quickly and safely.Read moreRead less