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首页> 外文期刊>Canadian Journal of Physiology and Pharmacology >Caffeine alters emotion and emotional responses in low habitual caffeine consumers
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Caffeine alters emotion and emotional responses in low habitual caffeine consumers

机译：咖啡因在低惯常咖啡因消费者中改变情感和情绪反应

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摘要

Caffeine reliably increases emotional arousal, but it is unclear whether and how it influences other dimensions of emotion such as emotional valence. These experiments documented whether caffeine influences emotion and emotion regulation choice and success. Low to abstinent caffeine consumers (maximum 100 mg/day) completed measures of state anxiety, positive and negative emotion, and salivary cortisol before, 45 min after, and 75 min after consuming 400 mg caffeine or placebo. Participants also completed an emotion regulation choice task, in which they chose to employ cognitive reappraisal or distraction in response to high and low intensity negative pictures (Experiment 1), or a cognitive reappraisal task, in which they employed cognitive reappraisal or no emotion regulation strategy in response to negative and neutral pictures (Experiment 2). State anxiety, negative emotion, and salivary cortisol were heightened both 45 and 75 min after caffeine intake relative to placebo. In Experiment 1, caffeine did not influence the frequency with which participants chose reappraisal or distraction, but reduced negativity of the picture ratings. In Experiment 2, caffeine did not influence cognitive reappraisal success. Thus, caffeine mitigated emotional responses to negative situations, but not how participants chose to regulate such responses or the success with which they did so.
机译：咖啡因可靠地增加情绪唤醒，但目前尚不清楚它是如何影响情绪的其他方面，如情绪化。这些实验记录了咖啡因是否影响情绪和情感监管选择和成功。低至肆无忌惮的咖啡因消费者（最多100毫克/天）完成了国家焦虑，阳性和负面情绪，唾液皮质醇和唾液皮质醇，400分钟后，耗尽400毫克咖啡因或安慰剂后75分钟。参与者还完成了一种情感调节选择任务，其中他们选择响应高低强度的阴性图片（实验1）或认知重复任务，或者他们所使用的认知重新评估或没有情感调节策略响应负离子和中性图片（实验2）。在咖啡因摄入相对于安慰剂的摄入后，状态焦虑，消极的情绪和唾液皮质醇增强了45％和75分钟。在实验1中，咖啡因没有影响参与者选择重新评估或分散注意力的频率，而是减少了图像评级的消极性。在实验2中，咖啡因没有影响认知重复的成功。因此，咖啡因减轻了对负面情况的情绪反应，但并非参与者选择如何调节这些答复或他们所做的成功。

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