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Noradrenergic antagonists mitigate amphetamine-induced recovery.
Abstract Brain injury, including that due to stroke, leaves individuals with cognitive deficits that can disrupt daily aspect of living. As of now there are few treatments that shown limited amounts of success in improving functional outcome. The use of stimulants such as amphetamine have shown some success in improving outcome following brain injury. While the pharmacological mechanisms for amphetamine are known; the specific processes responsible for improving behavioral outcome following injury remain unknown. Understanding these mechanisms can help to refine the use of amphetamine as a potential treatment or l...
Source: Behavioural Brain Research - July 26, 2017 Category: Neurology Authors: Hylin MJ, Brenneman MM, Corwin JV Tags: Behav Brain Res Source Type: research

Procedural learning as a measure of functional impairment in a mouse model of ischemic stroke.
Abstract Basal ganglia stroke is often associated with functional deficits in patients, including difficulties to learn and execute new motor skills (procedural learning). To measure procedural learning in a murine model of stroke (30min. right MCAO), we submitted C57Bl/6J mice to various sensorimotor tests, then to an operant procedure (Serial Order Learning) specifically assessing the ability to learn a simple motor sequence. Results showed that MCAO affected the performance in some of the sensorimotor tests (accelerated rotating rod and amphetamine rotation test) and the way animals learned a motor sequence. Th...
Source: Behavioural Brain Research - March 17, 2016 Category: Neurology Authors: Linden J, Beeck LV, Plumier JC, Ferrara A Tags: Behav Brain Res Source Type: research

Adult hemiparkinsonian rats do not benefit from tactile stimulation.
Abstract Tactile stimulation (TS) applied to adult rats after cortical injury (medial frontal cortex aspiration or sensorimotor pial stripping stroke model) has been previously shown to ameliorate behavioral impairments and to improve morphological parameters like dendritic length of prefrontal cortical neurons (Gibb et al. Behav Brain Res 2010;214:102-7). The purpose of this study was to examine the effect of TS on healthy and hemiparkinsonian adult rats. Therefore, the animals received TS for 14 days and 15min three times daily. At different time points rats were tested in various behavioral tests (amphetamine-i...
Source: Behavioural Brain Research - December 13, 2013 Category: Neurology Authors: Effenberg A, Klein A, Gibb R, Carroll C, Baumgärtner W, Grothe C, Ratzka A Tags: Behav Brain Res Source Type: research