Flexible Models and Methods for Longitudinal Data. The availability of increasingly large data sets offers the potential to improve understandings of many phenomena. However, without models for these phenomenon and methods to analyse the data generated by them, information contained in such data cannot be extracted. This project aims to advance statistical methods and models for analysing data that are collected on a large number of individuals at many time points. In particular, data collected ....Flexible Models and Methods for Longitudinal Data. The availability of increasingly large data sets offers the potential to improve understandings of many phenomena. However, without models for these phenomenon and methods to analyse the data generated by them, information contained in such data cannot be extracted. This project aims to advance statistical methods and models for analysing data that are collected on a large number of individuals at many time points. In particular, data collected from mobile phone applications will be used to understand the effect that training regimes have on cognitive functioning and how these effects vary with individual characteristics.Read moreRead less
A paradigm shift in understanding cognitive flexibility. Aims: The project aims to model cognitive flexibility as a dynamic process within people that varies across situations and occasions using advanced data analytics.
Significance: The project intends to generate new knowledge in intelligence theory using recent advances that overcome known theory-testing limitations that have historically been ignored.
Expected Outcomes: An authentic account of cognitive flexibility and a new paradigm for ....A paradigm shift in understanding cognitive flexibility. Aims: The project aims to model cognitive flexibility as a dynamic process within people that varies across situations and occasions using advanced data analytics.
Significance: The project intends to generate new knowledge in intelligence theory using recent advances that overcome known theory-testing limitations that have historically been ignored.
Expected Outcomes: An authentic account of cognitive flexibility and a new paradigm for developing and testing models of dynamic change within people.
Benefits: Dynamic models are needed to understand authentic problem-solving and cognitive function. The advances benefit research and applied areas where dynamic processes are important, including education, work, and cognitive aging.Read moreRead less
Taking advice: Limits and potentials of social decision-making in older age. Older adults are increasingly victims of financial fraud and abuse. While well-intentioned advice has the potential to improve financial decision-making, ill-intentioned advice can lead to exploitation. This project will use extensive behavioural testing to establish the factors governing how much weight older adults give to advice depending on the type of advisor, the type of advice, and feedback about advice quality. ....Taking advice: Limits and potentials of social decision-making in older age. Older adults are increasingly victims of financial fraud and abuse. While well-intentioned advice has the potential to improve financial decision-making, ill-intentioned advice can lead to exploitation. This project will use extensive behavioural testing to establish the factors governing how much weight older adults give to advice depending on the type of advisor, the type of advice, and feedback about advice quality. The outcome will be a model of the influence of advice on decision-making in ageing. This will provide an evidence base to create best practice guidelines, interventions, and decision aids that will reduce exploitation and increase the independence and wellbeing of Australia’s rapidly ageing population.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE220101087
Funder
Australian Research Council
Funding Amount
$453,580.00
Summary
Impact of shift work on emergency performance, decision making and stress. Sleep and circadian disruptions due to shift work are common for emergency personnel, but their impact on team performance and decision making is poorly understood. Using an ecologically relevant simulated work environment, this project aims to examine how shift work influences work performance and team decision making and identify potential stress-related mechanisms that may underpin impairments in these outcomes. By und ....Impact of shift work on emergency performance, decision making and stress. Sleep and circadian disruptions due to shift work are common for emergency personnel, but their impact on team performance and decision making is poorly understood. Using an ecologically relevant simulated work environment, this project aims to examine how shift work influences work performance and team decision making and identify potential stress-related mechanisms that may underpin impairments in these outcomes. By understanding the role poor sleep and circadian misalignment due to shift work play on work performance, this project will inform industry practices and training approaches designed to optimise workplace safety and emergency performance. This project will benefit emergency personnel and the people who depend on these services.Read moreRead less
Hippocampal regulation of goal-directed decision-making. The hippocampus is a part of the brain that is central to learning and memory yet little is known about its role in decision-making. It is the aim of this application to provide the first detailed, causal evidence of hippocampal regulation of decision-making. This is significant because many mental health disorders and dementias that involve decision-making deficits are characterised by hippocampal dysfunction, but any direct link between ....Hippocampal regulation of goal-directed decision-making. The hippocampus is a part of the brain that is central to learning and memory yet little is known about its role in decision-making. It is the aim of this application to provide the first detailed, causal evidence of hippocampal regulation of decision-making. This is significant because many mental health disorders and dementias that involve decision-making deficits are characterised by hippocampal dysfunction, but any direct link between these factors is unknown. The outcomes of the current grant will provide the first evidence of that link, thus providing deeper understanding of the neurophysiological mechanisms of these disorders, which could eventuate in the creation of more beneficial treatments. Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE210100790
Funder
Australian Research Council
Funding Amount
$419,308.00
Summary
Understanding how the brain combines sensory information. The ease with which we perceive the external world belies the complexity involved in integrating different sensory inputs. How does the brain achieve this fundamental operation? The project will address this question using a multidisciplinary approach that combines computational modelling, brain imaging, and psychophysical techniques. The expected outcomes of the project are a better understanding of how people perceive the world through ....Understanding how the brain combines sensory information. The ease with which we perceive the external world belies the complexity involved in integrating different sensory inputs. How does the brain achieve this fundamental operation? The project will address this question using a multidisciplinary approach that combines computational modelling, brain imaging, and psychophysical techniques. The expected outcomes of the project are a better understanding of how people perceive the world through optimal integration of sensory cues. In addition to advancing basic scientific knowledge, the findings will illuminate perceptual anomalies in normally developing children and will provide a foundation for reducing a debilitating side effect of virtual reality systems known as ‘cybersickness’.Read moreRead less
A comprehensive framework for modelling the human connectome. The human brain is an extraordinarily complex network of interconnected cells. This project aims to use mathematical modelling and brain imaging to uncover key principles of network wiring in the human brain. Using an interdisciplinary approach that combines elements of neuroscience, genetics, physics, and psychology, the project will result in a new, rigorous framework for testing competing theories of brain development, the identifi ....A comprehensive framework for modelling the human connectome. The human brain is an extraordinarily complex network of interconnected cells. This project aims to use mathematical modelling and brain imaging to uncover key principles of network wiring in the human brain. Using an interdisciplinary approach that combines elements of neuroscience, genetics, physics, and psychology, the project will result in a new, rigorous framework for testing competing theories of brain development, the identification of key wiring principles for developing brains, and an understanding of how these principles shape behaviour. This work will shed new light on the developmental processes that underlie human behaviour and disease.Read moreRead less
Mapping cognitive impulsivity through online testing. The project aims to develop a new model of cognitive impulsivity and produce an online tool to measure it. Impulsivity is defined as the skill/s that exert control over impulsive behaviours. It is a trait of human cognition that affects health and productivity and that varies normatively across the healthy population. However, coherent models of cognitive impulsivity and comprehensive measures of the construct are lacking. The project aims to ....Mapping cognitive impulsivity through online testing. The project aims to develop a new model of cognitive impulsivity and produce an online tool to measure it. Impulsivity is defined as the skill/s that exert control over impulsive behaviours. It is a trait of human cognition that affects health and productivity and that varies normatively across the healthy population. However, coherent models of cognitive impulsivity and comprehensive measures of the construct are lacking. The project aims to unravel and measure the cognitive skills that can produce (or avoid) impulsive behaviour.Read moreRead less
Neuronal and behavioural correlates of sensory adaptation. Sensory systems adapt to the statistics of their environment, and the consequences of this adaptation are evident in neuronal activity and in animal’s behaviour. This project will employ a novel paradigm to characterise how adaptation changes the response properties of individual sensory neurons to improve efficiency of information transmission.
Extinction of conditioned responding: Learning from the evidence of absence. When animals or people learn that a cue, or their own action, is followed by something important, they respond in anticipation of the outcome or to control it. This project investigates how these learned responses can be reduced (“extinguished”) when the conditions that established them change. It will help solve 2 outstanding theoretical and practical problems: what makes some learned behaviours resistant to extinction ....Extinction of conditioned responding: Learning from the evidence of absence. When animals or people learn that a cue, or their own action, is followed by something important, they respond in anticipation of the outcome or to control it. This project investigates how these learned responses can be reduced (“extinguished”) when the conditions that established them change. It will help solve 2 outstanding theoretical and practical problems: what makes some learned behaviours resistant to extinction or prone to relapse after being extinguished? The project will identify the factors that are most directly responsible for resistance and relapse. This could pave the way to finding solutions for the major problems that bedevil therapies designed to treat human behavioural disorders, such as addictions, gambling, and anxietyRead moreRead less