4 results for “arousal”

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Research ArticleOpen accessEvery word in the titleEffects of Increased Physiological Arousal on Upper Extremity Reaction and Movement Times in Healthy Young AdultsChristopher Kovacs, Tamara BoriesProblem statement: Research has suggested that examining attentional demands during functional tasks is an emergent area of study. Increased arousal may represent an attentional demand, resulting in impaired motor functioning in tasks that require fast reaction and movement times. Approach: This study examined the effects of a non-specific stressor and the resultant physiological arousal on upper extremity functional measures of … …Neuroscience International, Vol. 1, Issue 2 · 31 Dec 2010 · 8,036 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleEffects of Increased Physiological Arousal on Upper Extremity Positional Awareness in Healthy Young AdultsChristopher Kovacs, Tamara BoriesProblem statement: The purpose of this investigation was to examine the effects of increased physiological arousal on the ability to perceive upper extremity positional awareness in healthy young adults. Approach: Thirty-eight participants were pre- and post-tested for upper extremity positional awareness using a manual kinesthesiometer. Participants in the experimental group underwent a combination of the Stroop color-word task and timed … …Journal of Social Sciences, Vol. 6, Issue 3 · 30 Sep 2010 · 7,373 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleFluctuation of Brain Tissue Oxygen Partial Pressure: A Biochemical Landmark in the Arctic Ground Squirrel's Spontaneous ArousalYi Long Ma, Shu Fen Wu, Lawrence K. DuffyHibernation in the Arctic ground Squirrel (AGS) is a regulated, adaptive response to arctic environmental conditions. Problem statement: Regional brain Blood Flow (rCBF) has been observed to increase dramatically during arousal in hibernators. However, the real time dynamic change in PtO2 during arousal has not been studied, we hypothesized that PtO2 is Interdependent of Tbrain and a key component in … …American Journal of Biochemistry and Biotechnology, Vol. 7, Issue 4 · 1 Feb 2012 · 7,601 accessesView PDF Cite

Research ArticleOpen accessIn the abstractHormetic and Non-Hormetic Dose-Response Functions in Stress Effects on Memory and Synaptic Plasticity: Issues and MechanismsPhillip R. Zoladz, David M. DiamondOver a century of behavioral research has shown that stress can exert both positive and negative effects on memory. We have explored the idea that the complex effects of stress on learning and memory can be characterized by hormetic- and non-hormetic dose-response functions, in which stress may either stimulate or impair brain memory mechanisms, depending, in part, on the timing … …American Journal of Pharmacology and Toxicology, Vol. 3, Issue 1 · 31 Mar 2008 · 8,184 accessesView PDF Cite