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首页> 外文期刊>Human psychopharmacology: clinical and experimental >Low doses of alcohol have a selective effect on the recognition of happy facial expressions.
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Low doses of alcohol have a selective effect on the recognition of happy facial expressions.

机译：低剂量的酒精有选择性的影响快乐的面部表情的识别。

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摘要

Alcohol is one of the most widely used recreational drugs, yet it is associated with undesirable social behaviour. It is used primarily for its psychoactive properties, increasing sociability and talkativeness. We hypothesize that low doses of alcohol can improve the performance related to positive emotional cognition. In this experiment, we examined the effect of low doses of alcohol on the processing of emotional facial expressions. Fifteen young male volunteers drank alcohol at volumes of 30, 60, 120 ml (0.14, 0.28, 0.56 g/kg) and performed discrimination tasks on morphed facial emotion expressions of anger, happiness, sadness and surprise-neutral. One-way ANOVA co-varying pretreatment performances revealed significant differences between alcohol levels in happy face discrimination ( p<0.01). Bonferroni correction demonstrated that low doses of alcohol caused a significantly better discrimination of happy faces, and that the performances were worse with higher doses ( p<0.001). No significance was observed with the other three emotional faces. These results indicate that low doses of alcohol affect positive emotional cognition of happy facial expressions.
机译：酒精是一种使用最广泛的软性毒品,但它是相关联的不好的社会行为。主要为其精神属性,增加社交能力和爱说话。假设低剂量的酒精可以提高性能与积极的情绪认知。低剂量的酒精对加工的影响情绪的面部表情。男性志愿者喝酒在30卷,60、120毫升(0.14,0.28,0.56 g / kg)和执行歧视演变的面部情绪上的任务表达愤怒,快乐,悲伤和surprise-neutral。预处理表现都显示出显著的酒精含量之间的差异在快乐的脸歧视(p < 0.01)。表明,低剂量的酒精引起了更好的歧视的快乐脸,表现更糟糕高剂量(p < 0.001)。观察到的其他三个情绪面孔。这些结果表明,低剂量的酒精影响快乐的积极的情感认知面部表情。

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