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首页> 外文期刊>Journal of Neuroscience Methods >Novel technology for modulating locomotor activity as an operant response in the mouse: Implications for neuroscience studies involving ' exercise' in rodents
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Novel technology for modulating locomotor activity as an operant response in the mouse: Implications for neuroscience studies involving ' exercise' in rodents

机译:调节运动活动作为小鼠反应的新技术:对涉及啮齿动物“运动”的神经科学研究的启示

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摘要

We have developed a novel, low-cost device designed to monitor and modulate locomotor activity in murine subjects. This technology has immediate application to the study of effects of physical exercise on various neurobiological endpoints, and will also likely be useful in the study of psychomotor sensitization and drug addiction. Here we demonstrate the capacity of these devices to establish locomotor activity as an operant response reinforced by food pellet presentations, and show that schedules of reinforcement can reliably control this behavior. Importantly, these data show that varying degrees of increased locomotor activity (in other words, " exercise" ) can be elicited and maintained in mice by manipulating the schedule of reinforcement. Our findings argue that the present technology might reduce the imposition of stress and motivational bias inherent in more traditional procedures for establishing exercise in laboratory rodents, while allowing for true random assignment to experimental groups. As interest in physical exercise as a modulating factor in numerous clinical conditions continues to grow, technologies like the one proposed here are likely to become critical in conducting future experiments along these lines. ? 2012 Elsevier B.V.
机译:我们已经开发出一种新颖的低成本设备,旨在监测和调节鼠科动物的自发活动。该技术已立即应用于体育锻炼对各种神经生物学终点的影响研究中,也可能在心理运动敏化和药物成瘾的研究中有用。在这里,我们展示了这些装置建立运动活动的能力,并通过食品颗粒的展示强化了操作反应,并显示了强化时间表可以可靠地控制这种行为。重要的是,这些数据表明,可以通过操纵加强计划在小鼠中引起并维持不同程度的运动活动性增加(换句话说,“运动”)。我们的发现认为,本技术可以减少在实验室啮齿动物中建立运动的更为传统的程序所固有的压力和动机偏见,同时允许对实验组进行真正的随机分配。随着人们对体育锻炼作为多种临床条件中的调节因素的兴趣不断增长,此处提出的技术可能会在沿着这些思路开展未来实验中变得至关重要。 ? 2012年Elsevier B.V.

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