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Browsing by Author "Russell, Vivienne"

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Animal models of attention-deficit hyperactivity disorder

Author: Russell, Vivienne ; Sagvolden, Terje ; Johansen, Espen Date: 2005 Although animals cannot be used to study complex human behaviour such as language, they do have similar basic functions. In fact, human disorders that have animal models are better understood than disorders that do not. ADHD is a heterogeneous ... Read more c b
Cross-fostering does not alter the neurochemistry or behavior of spontaneously hypertensive rats

Author: Howells, Fleur M ; Bindewald, Leander ; Russell, Vivienne Date: 2009 BACKGROUND:Attention-deficit/hyperactivity disorder (ADHD) is a highly heritable developmental disorder resulting from complex gene-gene and gene-environment interactions. The most widely used animal model, the spontaneously hypertensive rat ... Read more c b
The impact of voluntary exercise on relative telomere length in a rat model of developmental stress

Author: Botha, Martmari ; Grace, Laurian ; Bugarith, Kishor ; Russell, Vivienne ; Kidd, Martin ; Seedat, Soraya ; Hemmings, Sian Date: 2012 BACKGROUND: Exposure to early adverse events can result in the development of later psychopathology, and is often associated with cognitive impairment. This may be due to accelerated cell aging, which can be catalogued by attritioned telomeres. ... Read more c b
In Memoriam Terje Sagvolden

Author: Sergeant, Joseph ; Aase, Heidi ; Faraone, Stephen V ; Johansen, Espen ; Kalaria, Raj ; Meyer, Anneke ; Russell, Vivienne ; Sadile, Adolfo ; Sonuga-Barke, Edmund ; Tannock, Rosemary Date: 17 Mar 2011 It is with great sadness that we note the sudden passing of our colleague and friend Professor Terje Sagvolden, a highly accomplished neuroscientist, well known across the world for his contribution to our understanding of the neurobiology ... Read more
Parallel changes in gene expression in peripheral blood mononuclear cells and the brain after maternal separation in the mouse

Author: van Heerden, Johan ; Conesa, Ana ; Stein, Dan J ; Montaner, David ; Russell, Vivienne ; Illing, Nicola Date: 2009 BACKGROUND: The functional integration of the neuro-, endocrine- and immune-systems suggests that the transcriptome of white blood cells may reflect neuropsychiatric states, and be used as a non-invasive diagnostic indicator. We used a mouse ... Read more c b
Research perceived mental effort correlates with changes in tonic arousal during attentional tasks

Author: Howells, Fleur ; Stein, Dan ; Russell, Vivienne Date: 2010 BACKGROUND: 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 c b
Response variability in Attention-Deficit/Hyperactivity Disorder: a neuronal and glial energetics hypothesis

Author: Russell, Vivienne ; Oades, Robert ; Tannock, Rosemary ; Killeen, Peter ; Auerbach, Judith ; Johansen, Espen ; Sagvolden, Terje Date: 2006 1. ABSTRACT:BACKGROUND:Current concepts of Attention-Deficit/Hyperactivity Disorder (ADHD) emphasize the role of higher-order cognitive functions and reinforcement processes attributed to structural and biochemical anomalies in cortical and ... Read more c b