Why Do People Keep Hurting Their Back: A Longitudinal Study Of Biological, Psychological And Social Predictors
Funder
National Health and Medical Research Council
Funding Amount
$739,946.00
Summary
We aim to identify why people continue to suffer episodes of back pain. If we can identify factors that predict the course of back pain we can target treatments to the right people to reduce the burden of this common condition. We will follow people for a year after an acute episode. We will measure novel issues like control of trunk muscles, inflammatory response, and how the nervous system deals with pain. We will also investigate how these factors interact with social and psychological issues
Mechanisms Of Serotonergic And Triptan Mediated Analgesia Within The Midbrain
Funder
National Health and Medical Research Council
Funding Amount
$546,937.00
Summary
Chronic pain requires multiple pharmacological interventions and these are often ineffective. These drugs include those which act on a diverse group of cell-surface proteins, called serotonin receptors. This project will use cellular and whole animal techniques to examine how these agents act within intrinsic pain and anxiety control systems within the brain in order to identify novel analgesic pharmacotherapies with enhanced efficacy and reduced side effects.
THE AUTONOMIC, SOMATIC AND CENTRAL NEURAL RESPONSES TO DEEP AND SUPERFICIAL PAIN IN HUMAN SUBJECTS
Funder
National Health and Medical Research Council
Funding Amount
$375,750.00
Summary
Pain is a subjective experience, the intensity of which can be readily influenced by personal experience. Despite this, pain originating from a particular part of the body will usually be described by all individuals as having similar character. For example, pain arising from the skin is commonly described as being sharp or burning and is usually easy to localise, whereas pain arising from muscle is commonly dull, throbbing and diffuse. In addition to producing sensory changes, pain also evokes ....Pain is a subjective experience, the intensity of which can be readily influenced by personal experience. Despite this, pain originating from a particular part of the body will usually be described by all individuals as having similar character. For example, pain arising from the skin is commonly described as being sharp or burning and is usually easy to localise, whereas pain arising from muscle is commonly dull, throbbing and diffuse. In addition to producing sensory changes, pain also evokes changes in blood pressure, heart rate and motor activity (often in an attempt to remove the source of the pain). The proposed research aims to characterise the cardiovascular and motor patterns associated with pain originating in skin and in muscle and to examine the brain regions that produce these changes. More specifically, microelectrodes will be used to investigate changes in peripheral nerve activity during transient painful skin and muscle events in awake human subjects. In a separate investigation functional magnetic resonance imaging will be used to determine brain sites that are activated by skin or muscle pain.Read moreRead less
Reconsideration Of The Mechanisms Underlying Movement Changes With Pain
Funder
National Health and Medical Research Council
Funding Amount
$401,361.00
Summary
Pain changes the way we move. Although undisputed, there is a surprising lack of agreement regarding the underlying mechanisms. This project involves an innovative mix of neurophysiological methods to investigate how the drive to muscle cells from the nervous system is altered during pain. We aim to resolve the perplexing problem of how pain changes our ability to activate muscle. Our findings are likely to provide a clear understanding of the underlying mechanisms and guide rehabilitation.
The Effects Of Tonic Muscle Pain On The Sympathetic And Somatic Motor Systems In Human Subjects
Funder
National Health and Medical Research Council
Funding Amount
$462,948.00
Summary
The main objective of this proposal is to reveal the effects of nociceptive reflexes in humans, and thus identify their functional and clinical implications. By performing invasive recordings from the nerves that control blood vessels and muscles in healthy volunteers subjected to long-lasting (~1 hour) experimental pain, this work will increase our understanding of the adaptive changes that pain induces and improve treatments to prevent pain from becoming chronic.
The Physiological Basis Of Motor Adaptation In Pain
Funder
National Health and Medical Research Council
Funding Amount
$317,214.00
Summary
People in pain move differently, yet the physiological basis for altered movement in pain is poorly understood. This lack of understanding has led to treatments for persistent pain that target generic symptoms with limited effect. The current study is the first to examine how different aspects of the nervous system are altered in pain and how this relates to movement. This information will guide the development of new treatment strategies for persistent pain in future.