How does timing affect mammalian brain development and evolution? This project aims to generate fundamental knowledge on the origin of diversity in mammalian brain circuits by studying development of marsupials and rodents. The expected outcome is to elucidate how differences in the timing, rate and sequence of development of gene expression, cell differentiation and circuit formation can relate to the origin of key evolutionary innovations in the mammalian brain. The significance of understandi ....How does timing affect mammalian brain development and evolution? This project aims to generate fundamental knowledge on the origin of diversity in mammalian brain circuits by studying development of marsupials and rodents. The expected outcome is to elucidate how differences in the timing, rate and sequence of development of gene expression, cell differentiation and circuit formation can relate to the origin of key evolutionary innovations in the mammalian brain. The significance of understanding the dynamics of developmental systems that shape complex brain traits includes establishing new developmental paradigms in evolutionary theory, generating new tools to investigate and manipulate brain gene expression in vivo, and the potential discovery of the causes of neurodevelopmental dysfunction.Read moreRead less
Dynamic DNA structure states and memory formation. Activity-induced gene expression is central to neural plasticity, learning, and memory; however, the underlying mechanisms of these processes in the brain have yet to be fully resolved. The aim of this proposal is to obtain a deeper understanding of the functional relationship between genes and brain function. By elucidating the full repertoire of epigenetic mechanisms in the brain during learning and the formation of memory, it is hoped that t .... Dynamic DNA structure states and memory formation. Activity-induced gene expression is central to neural plasticity, learning, and memory; however, the underlying mechanisms of these processes in the brain have yet to be fully resolved. The aim of this proposal is to obtain a deeper understanding of the functional relationship between genes and brain function. By elucidating the full repertoire of epigenetic mechanisms in the brain during learning and the formation of memory, it is hoped that the true nature of brain adaptation across the lifespan will be revealed. Findings which may then provide new opportunities to strengthen, maintain and optimise cognitive function.Read moreRead less
Cell-type specific profiling of nascent RNA in the brain during learning. This project aims to understand cell-type specific, fast-acting, and dynamic patterns of RNA expression that arise during learning and contribute to the formation of memory. Activity-induced gene expression is central to neural plasticity, learning and memory. The project will apply a new approach, which tags RNA inside living cells. The findings will be broadly applicable and create new opportunities for understanding the ....Cell-type specific profiling of nascent RNA in the brain during learning. This project aims to understand cell-type specific, fast-acting, and dynamic patterns of RNA expression that arise during learning and contribute to the formation of memory. Activity-induced gene expression is central to neural plasticity, learning and memory. The project will apply a new approach, which tags RNA inside living cells. The findings will be broadly applicable and create new opportunities for understanding the true nature of brain adaptation.Read moreRead less
Defining novel neuroepigenetic pathways that influence learning and memory. This project aims to better understand the functional relationship between epigenetic mechanisms and regulatory RNAs in the brain and how they influence learning and the formation of memory. Activity-induced gene expression is central to neural plasticity, learning, and memory. However, efforts to elucidate the underlying mechanisms in the brain have not been fully resolved. By elucidating the full repertoire of epigenet ....Defining novel neuroepigenetic pathways that influence learning and memory. This project aims to better understand the functional relationship between epigenetic mechanisms and regulatory RNAs in the brain and how they influence learning and the formation of memory. Activity-induced gene expression is central to neural plasticity, learning, and memory. However, efforts to elucidate the underlying mechanisms in the brain have not been fully resolved. By elucidating the full repertoire of epigenetic mechanisms in the brain during learning and memory formation, the findings of the project will be broadly applicable and create new opportunities for understanding the true nature of brain adaptation.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0668246
Funder
Australian Research Council
Funding Amount
$400,000.00
Summary
Advanced Cell Labelling and Imaging Facility. Understanding the genetic regulation of cellular processes such as migration, differentiation and growth is an important frontier technology with significant biomedical potential. The Australian community is facing an increasing need to provide solutions for a variety of human diseases and disorders, including birth defects, nervous system injury and stroke, and ageing-related conditions. The proposed facility will allow researchers to test in vivo g ....Advanced Cell Labelling and Imaging Facility. Understanding the genetic regulation of cellular processes such as migration, differentiation and growth is an important frontier technology with significant biomedical potential. The Australian community is facing an increasing need to provide solutions for a variety of human diseases and disorders, including birth defects, nervous system injury and stroke, and ageing-related conditions. The proposed facility will allow researchers to test in vivo gene/pharmaceutical therapies as well as to better understand the genetic regulation of normal cellular processes. Read moreRead less
ARC Centre of Excellence for Integrative Brain Function. The Centre of Excellence for Integrative Brain Function will address one of the greatest scientific challenges of the 21st century to understand how the brain works. We will investigate complex functions such as attention, prediction and decision-making, which require the coordination of information processing by many areas of the brain. This will require a highly collaborative approach involving neurobiologists, cognitive scientists, eng ....ARC Centre of Excellence for Integrative Brain Function. The Centre of Excellence for Integrative Brain Function will address one of the greatest scientific challenges of the 21st century to understand how the brain works. We will investigate complex functions such as attention, prediction and decision-making, which require the coordination of information processing by many areas of the brain. This will require a highly collaborative approach involving neurobiologists, cognitive scientists, engineers and physicists, allowing us to translate our discoveries into novel technologies for the social and economic benefit of all Australians. We will also train a new generation of multidisciplinary researchers, and contribute our expertise to a range of public education and awareness programs.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE170100319
Funder
Australian Research Council
Funding Amount
$372,000.00
Summary
Fast three-dimensional imaging of neural signal propagation using light-field microscopy. This project aims to use a light-field microscope to reveal the dynamics of sustained neural activity in the brain. The brain’s neurons are highly interconnected, so neural signals can be sustained in a repeating cycle. While this may underlie tasks such as working memory, its role in information processing is unclear. Understanding information processing is vital for finding treatments for neurodegenerativ ....Fast three-dimensional imaging of neural signal propagation using light-field microscopy. This project aims to use a light-field microscope to reveal the dynamics of sustained neural activity in the brain. The brain’s neurons are highly interconnected, so neural signals can be sustained in a repeating cycle. While this may underlie tasks such as working memory, its role in information processing is unclear. Understanding information processing is vital for finding treatments for neurodegenerative disorders. To characterise this large-scale aspect of neural computation, this project measures neural activity at high speed across large numbers of neurons. This is expected to provide evidence of the nature of sustained activity which may in the future lead to treatments for neurodegenerative disorders.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE130101393
Funder
Australian Research Council
Funding Amount
$375,000.00
Summary
Neurobiological mechanisms of decision under uncertainty. The purpose of this project is to understand the behavioural and brain mechanisms underlying decision under uncertainty. This research will uncover the effect that normal variation in brain networks has on choice and contribute to a better understanding of disorders linked to intolerance of uncertainty.
Dopaminergic mechanisms of visual selective attention in the fly. What we pay attention to guides our behaviour. There is increasing evidence that even the smallest animals, such as insects, have a selective attention. Neuromodulators such as dopamine (DA) regulate general arousal states in flies as well as humans, but it is not well understood how DA modulates selective attention. This project will genetically manipulate DA in the fly Drosophila in order to study its role in visual selective at ....Dopaminergic mechanisms of visual selective attention in the fly. What we pay attention to guides our behaviour. There is increasing evidence that even the smallest animals, such as insects, have a selective attention. Neuromodulators such as dopamine (DA) regulate general arousal states in flies as well as humans, but it is not well understood how DA modulates selective attention. This project will genetically manipulate DA in the fly Drosophila in order to study its role in visual selective attention, by: examining neural circuits; attention behaviour; and, brain recordings. Our work will reveal whether DA mainly controls general responsiveness levels, or whether DA is also involved in coordinating attention dynamics. This study has important implications for understanding attention disorders.Read moreRead less
Australian Laureate Fellowships - Grant ID: FL140100197
Funder
Australian Research Council
Funding Amount
$2,970,898.00
Summary
Revealing the invisible: new principles of vision in Australian animals. Revealing the invisible: new principles of vision in Australian animals. This project aims to reveal how the visual systems of marine creatures from the Great Barrier Reef receive and interpret colour and polarisation information, much of which is invisible to the human eye. It aims to utilise this data to tackle fundamental questions in neuroscience and inform bio-inspired camera design and machine-vision solutions. The re ....Revealing the invisible: new principles of vision in Australian animals. Revealing the invisible: new principles of vision in Australian animals. This project aims to reveal how the visual systems of marine creatures from the Great Barrier Reef receive and interpret colour and polarisation information, much of which is invisible to the human eye. It aims to utilise this data to tackle fundamental questions in neuroscience and inform bio-inspired camera design and machine-vision solutions. The resulting new generation of polarisation cameras will be used to characterise the environments, animals and brains that inspired them in the first place. This will help the understanding of how nervous systems convey information and may improve our ability to detect dysfunction in neurons and other cells.Read moreRead less