Author:Makena, NokuthulaDate:2014Repeated maternal separation (MS) has been reported to induce changes in hypothalamic-pituitary- adrenal (HPA) axis activity leading to abnormal stress responses later in life. Such alterations have also been linked to poor cognitive function. ...Read more
Author:Mtintsilana, AsandaDate:2014Background: Depression is a debilitating mood disorder, negatively affecting an individual’s health and well-being. Despite this, the aetiology of depression remains poorly understood. Consistently, depression treatments are far from satisfactory ...Read more
Author:Tomes, Hayley SarahDate:2014The developing central nervous system is especially vulnerable and research has implicated early life stress (ELS) as a potentiating factor to cell death in a rat model of Parkinson’s disease (PD). PD is a movement disorder resulting from the ...Read more
Author:Hardcastle, Natasha SemaDate:2016Maternal separation (MS) has been shown to produce depression-like symptoms in male Sprague Dawley rats. The underlying mechanisms responsible for the development of these depression-like behaviors are unknown. However, a growing body of ...Read more
Author:Warton, Fleur LDate:2010Early developmental stress has been shown to produce numerous deleterious effects, e.g. the later development of affective disorders, and this has been related to chronic enhanced hypothalamic-pituitary-adrenal axis activity. Animal studies ...Read more
Author:Atmore, Katherine HDate:2017Introduction: Schizophrenia is a chronic, debilitating mental disorder characterised by positive, negative and cognitive symptoms. Current treatment regimens fail to adequately address the cognitive and negative symptoms of the disorder. ...Read more
Author:Womersley, Jacqueline SamanthaDate:2014Attention-deficit/hyperactivity disorder (ADHD) is a developmental disorder characterised by age-inappropriate levels of inattention, hyperactivity and impulsivity and is theorised to be caused by dopaminergic dysregulation. Developmental ...Read more
Author:Howells, Fleur M; Stein, Dan J; Russell, Vivienne ADate:2010Background: It has been suggested that perceived mental effort reflects changes in arousal during tasks of attention. Such changes in arousal may be tonic or phasic, and may be mediated by the locus-coeruleus norepinephrine (LC-NE) system. ...Read more
Author:Sterley, Toni-LeeDate:2014Attention-deficit/hyperactivity disorder (ADHD) is a heterogeneous, developmental disorder characterised by behavioural symptoms of inattention, hyperactivity, and impulsivity. The present thesis investigated how the main excitatory and ...Read more
Author:Hsin-Wen Hsieh, JenniferDate:2010Attention-Deficit/Hyperactivity Disorder (ADHD) is a childhood disorder that is behaviorally characterized by developmentally inappropriate levels of inattention, impulsivity and hyperactivity. Among several hypotheses of ADHD etiology the ...Read more
Author:Van Zyl, Petrus JurgensDate:2015Major depression is a heterogeneous neuropsychiatric disorder with a significant genetic - stress interaction. The Wistar - Kyoto (WKY) rat displays hypersensitivity to stress and depression - like behaviour and is used as a genetic model of ...Read more
Author:Swart, Patricia CathrynDate: 2018Foetal alcohol spectrum disorder (FASD), the umbrella term used to describe the wide range of cognitive and behavioural deficits observed after exposure to alcohol in utero, is a major public health issue specifically in South Africa. South ...Read more