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首页> 外文期刊>The European Journal of Neuroscience >Caffeine, but not nicotine, enhances visual feature binding.
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Caffeine, but not nicotine, enhances visual feature binding.

机译:咖啡因而非尼古丁可增强视觉特征的结合。

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摘要

The distributed organization of the human visual cortex calls for a mechanism that integrates and binds the features of a perceived event, and neural synchronization is a prime candidate to serve that purpose. Animal studies suggest that synchronization in the visual cortex is enhanced by the muscarinic cholinergic system. Here we show that in healthy humans the binding of shape and colour, and of shape and location, of visual objects is increased by stimulating the muscarinic cholinergic system (caffeine consumption) but not by stimulating the nicotinic cholinergic system (nicotine consumption). Binding across perception and action is unaffected by either manipulation, suggesting a specific link between the visual system and the muscarinic cholinergic system.
机译:人类视觉皮层的分布式组织需要一种整合并绑定感知事件特征的机制,而神经同步是达到该目的的主要候选者。动物研究表明,毒蕈碱胆碱能系统增强了视觉皮层的同步性。在这里我们表明,在健康的人类中,视觉对象的形状和颜色以及形状和位置的结合通过刺激毒蕈碱型胆碱能系统(咖啡因消耗)而增加,而不是通过刺激烟碱型胆碱能系统(烟碱消耗)来增加。跨任何感知和动作的结合都不受任何一种操纵的影响,这表明视觉系统与毒蕈碱胆碱能系统之间存在特定的联系。

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