在编码时抑制皮质醇会降低主观回忆感的情绪增强。
Suppressing cortisol at encoding reduces the emotional enhancement in subjective sense of recollection.
机构信息
Laboratory for Behavioral Neurology and Imaging of Cognition, Department of Basic Neurosciences, University of Geneva, Switzerland; Swiss Center for Affective Sciences, University of Geneva, Switzerland.
Laboratory for Behavioral Neurology and Imaging of Cognition, Department of Basic Neurosciences, University of Geneva, Switzerland; Swiss Center for Affective Sciences, University of Geneva, Switzerland; Department of Clinical Neurology, Geneva University Hospitals, Switzerland.
出版信息
Neurobiol Learn Mem. 2018 Nov;155:86-91. doi: 10.1016/j.nlm.2018.06.012. Epub 2018 Jun 22.
The stress hormone cortisol, released when encountering an emotional event, contributes to form a strong emotional memory. Such emotionally arousing memories are recalled with an enhanced subjective sense of recollection, i.e. experienced in memory as more vivid and richer in details. We examined here whether cortisol plays a role in this emotional enhancement in subjective sense of recollection for a set of learned scenes. Suppressing cortisol at encoding decreased the emotional enhancement in subjective sense of recollection at a test 28 h later, but did not affect familiarity and memory for a contextual detail. Individual cortisol levels were significantly correlated to emotional enhancement in subjective sense of recollection. These findings indicate that cortisol plays a modulatory role for enhanced subjective sense of recollection for emotional events.
当遇到情绪事件时，应激激素皮质醇会释放出来，有助于形成强烈的情绪记忆。这种情绪唤起的记忆会以增强的主观回忆感被召回，也就是说，在记忆中会更加生动和详细。我们在这里研究了皮质醇是否在对一组习得场景的记忆的主观回忆的这种情绪增强中起作用。在编码时抑制皮质醇会降低 28 小时后的测试中主观回忆的情绪增强，但不影响熟悉度和对上下文细节的记忆。个体皮质醇水平与主观回忆的情绪增强显著相关。这些发现表明，皮质醇对情绪事件的主观回忆增强起调节作用。
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