Cortical Excitation In Migraine: Using Vision To Understand And Track Brain Excitability
Funder
National Health and Medical Research Council
Funding Amount
$521,628.00
Summary
Migraine is a common neurological condition affecting approximately 15% of adults. Therapies are most effective if used early, yet many people are unable to predict their migraines or to recognize early signs. In addition to headache, key symptoms include abnormal visual and auditory experience. We propose that aspects of vision and hearing will vary systematically according to the current brain status. Our translational goal is to develop tests that allow individuals to better manage migraine.
Function And Physiological Role Of Inhibitory Circuits In The Amygdala
Funder
National Health and Medical Research Council
Funding Amount
$741,518.00
Summary
The amygdala is part of the brain that assigns emotional content to our sensory world and dysfunction of the amygdala is responsible for many anxiety-related disorders. Many anxiolytics, like valium, act on receptors in the amygdala. In this project we will study circuits in the amygdala that are modulated by anxiolytics. These studies will provide essential information in the understanding of anxiety disorders and help in developing drugs to treat these disorders.
The Cause Of Undescended Testis And Inguinal Hernia
Funder
National Health and Medical Research Council
Funding Amount
$743,848.00
Summary
This study aims to define in both animal models and children how the testis descends from the abdomen to scrotum, and how undescended testis and inguinal hernia are likely to be caused by defects in the same, very indirect signalling pathway. The results will demonstrate where to look for genetic causes and proof of principle for possible future medical treatments for the 3 commonest major operations in children for congenital and acquired undescended testis and inguinal hernia.
Humans, like all animals, receive similar, although not identical, visual input via the eyes. This information is combined in the brain to form a single view of the outside world. In this proposal we aim to understand how single neurons in the brain process the combined information received from both eyes. This work will increase our understanding of the underlying cellular mechanisms responsible for sight, and determine what changes occur when visual input is impaired through blindness.
Characterising Post Stroke Neuroplasticity In Humans – Identifying A Critical Window For Rehabilitation
Funder
National Health and Medical Research Council
Funding Amount
$764,419.00
Summary
Despite major investment in care for stroke patients, almost all have persisting disability. Stroke causes loss of brain cells that cannot be replaced. Some recovery is possible through compensatory mechanisms. In addition, intact cells around the stroke undergo growth that is critical for recovery. Animal studies suggest these changes take place in a “critical window” after stroke. Applying therapies in this window should improve outcomes. We will use novel approaches to define the “critical wi ....Despite major investment in care for stroke patients, almost all have persisting disability. Stroke causes loss of brain cells that cannot be replaced. Some recovery is possible through compensatory mechanisms. In addition, intact cells around the stroke undergo growth that is critical for recovery. Animal studies suggest these changes take place in a “critical window” after stroke. Applying therapies in this window should improve outcomes. We will use novel approaches to define the “critical window” in patients after strokeRead moreRead less
Mechanisms Underlying Impaired Neuroplasticity In Adolescents Born Preterm
Funder
National Health and Medical Research Council
Funding Amount
$528,449.00
Summary
Preterm birth can lead to learning and motor deficits. We have preliminary evidence that these deficits last into adolescence and are due to a limited ability of the brain to reorganise (plasticity). We will confirm and characterise the learning/motor deficits seen in adolescents born preterm and explore if impaired plasticity is responsible. This project will provide vital information for the development of novel interventions to help children born prematurely to achieve best outcomes.
Mimicking Slow Wave Sleep To Enhance Plasticity In The Elderly Human Brain
Funder
National Health and Medical Research Council
Funding Amount
$429,461.00
Summary
Cognitive and motor impairments associated with ageing have a major social and economic impact. This project will address a major driver of this decline. Brain functional decline is causally linked to poor sleep. Using non-invasive brain stimulation aspects of sleep important for maintaining cognitive and motor function will be mimicked, without the need for people to sleep. This will provide a new means to boost plasticity, and will assist in improving brain health throughout life.
Do Ongoing Cognitive Demands Affect The Efficacy Of Transcranial Electrical Brain Stimulation In Young And Older Healthy Adults?
Funder
National Health and Medical Research Council
Funding Amount
$627,857.00
Summary
Transcranial direct current stimulation (tDCS) of the brain is widely used to enhance cognitive and motor function in healthy individuals and people with neurological disorders. Unfortunately, the efficacy of tDCS is highly variable between individuals. This project tests the hypothesis that ongoing cognitive processes – particularly attention – play an important role in regulating the effect of tDCS on brain function. The knowledge gained will help refine tDCS as a clinical and research tool.
The Mechanisms Of Repetitive Transcranial Magnetic Stimulation: A Translational Approach
Funder
National Health and Medical Research Council
Funding Amount
$624,263.00
Summary
Non-invasive brain stimulation is increasingly being used as a possible therapeutic intervention. The physiological mechanisms underlying the behavioural change are largely unknown. The project will use both human and rodent models to determine the structural brain changes that occur in response to non-invasive stimulation.
The Role Of Attention In Modifying Neural Plasticity In The Adult Human Cortex
Funder
National Health and Medical Research Council
Funding Amount
$391,242.00
Summary
The human brain is constantly changing in response to experience. These changes, known as plasticity, are necessary to respond to new environments, to learn new skills and to recover from brain injury. This project will determine how selective attention, a process that filters sensory information in the brain, alters brain plasticity. The outcomes will inform the design of rehabilitation treatments for individuals with a brain injury.