Auditory spatial perception during head movements. Orienting to stimuli frequently involves eye and head movements. This improves localisation, yet brings attendant problems (eg, blurring). These problems are well understood in vision, but not in audition, despite evidence for common neural mechanisms. We will examine auditory (and visual) localisation during head movements, showing head movements produce auditory suppression and spatial distortions (analogous to visual saccadic effects). This w ....Auditory spatial perception during head movements. Orienting to stimuli frequently involves eye and head movements. This improves localisation, yet brings attendant problems (eg, blurring). These problems are well understood in vision, but not in audition, despite evidence for common neural mechanisms. We will examine auditory (and visual) localisation during head movements, showing head movements produce auditory suppression and spatial distortions (analogous to visual saccadic effects). This will demonstrate the malleability of auditory spatial perception and the impoverished sensitivity of audition during head and self-motion. Knowledge of these distortions will inform applications such as cockpit design, where orienting to auditory signals is common, and other human/computer interfaces.
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Linking human brain structure to function with ultra-high resolution fMRI. This project will examine the structure and function of the sensory cortex of the human brain using ultra-high resolution functional magnetic resonance imaging (7 Tesla MRI). The project pushes new boundaries for resolution with ultra-high field MRI (7 Tesla) and, as such, will advance techniques for the acquisition, analysis, and computational modelling of high-resolution fMRI brain imaging, providing detail of the funct ....Linking human brain structure to function with ultra-high resolution fMRI. This project will examine the structure and function of the sensory cortex of the human brain using ultra-high resolution functional magnetic resonance imaging (7 Tesla MRI). The project pushes new boundaries for resolution with ultra-high field MRI (7 Tesla) and, as such, will advance techniques for the acquisition, analysis, and computational modelling of high-resolution fMRI brain imaging, providing detail of the functional organisation of the sensory cortex at a level never previously possible in the living human brain. This will provide new understanding of the neural-level networks that underpin attention and touch perception in the human brain.Read moreRead less
Lexical retrieval and reading comprehension: Binding perceptual, lexical and conceptual information in on-line reading. Reading is a complex process that involves integrating sensory information extracted from text with stored memories about word meanings, syntactic structures and general knowledge. Most reading research has focused on the processing of isolated words, but normal reading requires integration processes that are not necessary to recognise single words. This research uses tasks req ....Lexical retrieval and reading comprehension: Binding perceptual, lexical and conceptual information in on-line reading. Reading is a complex process that involves integrating sensory information extracted from text with stored memories about word meanings, syntactic structures and general knowledge. Most reading research has focused on the processing of isolated words, but normal reading requires integration processes that are not necessary to recognise single words. This research uses tasks requiring sentence comprehension and measures of eye movements during reading to investigate how readers retrieve and combine information while reading to comprehend text. It will contribute to developing more comprehensive theories of normal reading that can inform methods of teaching reading and contribute to refinement of text recognition systems.Read moreRead less
Investigating evidence of control system dynamics in visuomotor skill acquisition using multimodal functional magnetic resonance imaging. This project brings together mathematical and engineering methods with cognitive neuroscience in a novel way to better understand the fundamental processes associated with brain imaging, and the acquisition of motor skills. An improved understanding of the function of regions within the motor network will have a direct benefit for the rehabilitation of patient ....Investigating evidence of control system dynamics in visuomotor skill acquisition using multimodal functional magnetic resonance imaging. This project brings together mathematical and engineering methods with cognitive neuroscience in a novel way to better understand the fundamental processes associated with brain imaging, and the acquisition of motor skills. An improved understanding of the function of regions within the motor network will have a direct benefit for the rehabilitation of patients suffering motor deficits from developmental causes, following traumatic brain injuries, and after stroke and other neurodegenerative diseases. The outcomes of the research will also contribute to our understanding of the complexity of brain networks involved in motor skill acquisition.Read moreRead less
Cue Acquisition as a Mediator of Cognitive Skills Development. As the Australian workforce ages and there is a consequent reduction in the availability of experienced practitioners, organisations are going to be faced with the dilemma of placing relatively inexperienced staff in positions that were once occupied by experts. The result is a potential increase in the risks to critical infrastructure, such as electricity transmission. In this project, we expect to develop a set of principles that c ....Cue Acquisition as a Mediator of Cognitive Skills Development. As the Australian workforce ages and there is a consequent reduction in the availability of experienced practitioners, organisations are going to be faced with the dilemma of placing relatively inexperienced staff in positions that were once occupied by experts. The result is a potential increase in the risks to critical infrastructure, such as electricity transmission. In this project, we expect to develop a set of principles that can ensure that scenario based training is targeted to those aspects of the situation that are most important in maintaining the integrity of the system. The outcome is not only a safer system, but one that provides a structured approach to the acquisition of skills amongst employees.Read moreRead less
Unravelling Leadership Development: Evaluating outcomes, contrasting interventions, and exploring processes. This project investigates how leadership development interventions translate into effective outcomes for organizations. We compare how distinct interventions (transformational leadership vs. 360 degree feedback) and different modes of delivery (face-to-face vs. videoconferencing) lead to change in leader behavior. We investigate the cognitive/motivational mechanisms (e.g., self-efficacy, ....Unravelling Leadership Development: Evaluating outcomes, contrasting interventions, and exploring processes. This project investigates how leadership development interventions translate into effective outcomes for organizations. We compare how distinct interventions (transformational leadership vs. 360 degree feedback) and different modes of delivery (face-to-face vs. videoconferencing) lead to change in leader behavior. We investigate the cognitive/motivational mechanisms (e.g., self-efficacy, perspective-taking) by which these interventions affect leader behavior, as well as the multilevel processes by which change in leader behavior affects team performance and team well-being. The project will provide a more accurate assessment on the return of investment in leadership development, as well as guidance for enhancing the effectiveness of leadership development programs.
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The nature of self-recognition: novel approaches to vexing questions. Mirror self-recognition has often been interpreted as evidence for the presence of some form of self-concept/awareness. Children from age 2 onwards investigate their own bodies after seeing a novel mark on their heads in the mirror (surreptitiously placed in their hair by the experimenter). Younger children and most animals do not respond to their images in such a way (instead, for example, treating it as another individual). ....The nature of self-recognition: novel approaches to vexing questions. Mirror self-recognition has often been interpreted as evidence for the presence of some form of self-concept/awareness. Children from age 2 onwards investigate their own bodies after seeing a novel mark on their heads in the mirror (surreptitiously placed in their hair by the experimenter). Younger children and most animals do not respond to their images in such a way (instead, for example, treating it as another individual). The present experiments probe the nature of self-recognition using novel digital video technology rather than mirrors. This technology allows us to manipulate the contingency and appearance of the image. Five studies investigate the performance of 2 to 4-year-old children, autistic children, chimpanzees and dolphins to determine whether they recognize themselves and what underwrites their performance on the tasks. The innovative use of modern technology is expected to answer some of the most persistent questions in psychology.
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Filters reveal what flicker conceals: temporal processing in the human visual system. I have recently discovered a new form of camouflage using 10Hz luminance flicker. This project will quantify this effect and examine the extent to which it generalises across colour and spatial dimensions and to video sequences depicting natural scenes. This information is expected to provide foundational information to technologies relating to national security that rely on visual concealment. This research wi ....Filters reveal what flicker conceals: temporal processing in the human visual system. I have recently discovered a new form of camouflage using 10Hz luminance flicker. This project will quantify this effect and examine the extent to which it generalises across colour and spatial dimensions and to video sequences depicting natural scenes. This information is expected to provide foundational information to technologies relating to national security that rely on visual concealment. This research will examine the extent to which filtering out these camouflaging frequencies enhances our sensitivity to low temporal frequency information. This decamouflaging aspect of my research is expected to improve the clarity of digital video-based technologies including ultrasound, educational, info-tainment and defence applicationsRead moreRead less
Improving the identification of juvenile firesetters at high risk of recidivism. Young firesetters are not only responsible for some fifth of all fires, they also are at risk of becoming adult arsonists. Australian fire services provide educational programs for young firesetters but about a third may continue to light fires. This project will allow clarification of variables most associated with ongoing firesetting behaviour (recidivism), better prediction of high risk juveniles, understanding ....Improving the identification of juvenile firesetters at high risk of recidivism. Young firesetters are not only responsible for some fifth of all fires, they also are at risk of becoming adult arsonists. Australian fire services provide educational programs for young firesetters but about a third may continue to light fires. This project will allow clarification of variables most associated with ongoing firesetting behaviour (recidivism), better prediction of high risk juveniles, understanding of the predictive value of a screening tool, valid assessment of recidivism rates and an increased understanding of mental health agency involvement with firesetter families. These outcomes will help improve programs involving juvenile firesetters, thereby reducing arson and the high cost of uncontrolled fire.Read moreRead less
The Role of Communication in Sino-Australian Business Negotiations: An Appraisal. Communication difficulties together with the lack of cultural understanding are a major barrier preventing many Australian businesses from succeeding in the Chinese market, a primary estination for Australian exports. Yet up til now, the study of Australian-Chinese cross-cultural communications has been largely unattended. This project addresses this need by integrating an emotions perspective on communication wi ....The Role of Communication in Sino-Australian Business Negotiations: An Appraisal. Communication difficulties together with the lack of cultural understanding are a major barrier preventing many Australian businesses from succeeding in the Chinese market, a primary estination for Australian exports. Yet up til now, the study of Australian-Chinese cross-cultural communications has been largely unattended. This project addresses this need by integrating an emotions perspective on communication with a well-established communication theory. Using a grounded theory approach, the proposed project will result in a model that will assist businesses to identify points where communications may falter and formulate strategies for dealing with such intricacies in the context of Sino-Australian business negotiations.Read moreRead less