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Dream Help Soothe Your Bad Memories

上一篇 / 下一篇  2012-11-12 16:03:34 / 个人分类:托福雅思

Dream Help Soothe Your Bad Memories

Sleep helps us consolidate our memories. Sleep also helps us learn. During REM sleep, which is the dreaming stage of sleep, the brain stops releasing stress chemicals. Now a new study finds that as we dream we can even soothe our stressful associations to certain experiences.

Scientists scanned the brains of 35 subjects while they viewed emotionally arousing images. Half of the subjects viewed the images in the morning and again in the evening of the same day. The other half viewed the same images in the evening and then again the next morning after sleeping.

Those who slept between viewings reported a significant decrease in their emotional reaction to seeing the images the second time. And brain scans corroborated the self-reports, showing a reduction of activity in the amygdala, an area responsible for processing emotions.

The research was published in the journal Current Biology.

The researchers note that by processing emotional experiences during REM sleep, when norepinephrine levels are dramatically reduced, we feel less strongly about such experiences when we wake.

As Shakespeare knew when he said that sleep “knits up the ravell’d sleave of care” and was “the balm of hurt minds.”

 

 

【摘要】

Sleep helps us learn and soothe our bad memories.

睡眠可帮助记忆整合,舒缓不良情绪。

 

词汇

consolidate 整合

REM sleep Rapid Eye Movement sleep,“快动眼”睡眠,A stage in the normal sleep cycle during which dreams occur and the body undergoes marked changes including rapid eye movement, loss of reflexes, and increased pulse rate and brain activity. Also called paradoxical sleep

emotionally arousing 令人情绪高涨的

corroborate 确证 confirm

amygdala 扁桃腺 An almond-shaped mass of gray matter in the anterior portion of the temporal lobe. Also called amygdaloid nucleus.

norepinephrine 正肾上腺素 A substance, C8H11NO3, both a hormone and neurotransmitter, secreted by the adrenal medulla and the nerve endings of the sympathetic nervous system to cause vasoconstriction and increases in heart rate, blood pressure, and the sugar level of the blood. Also called noradrenaline

As Shakespeare knew when he said that sleep “knits up the ravell’d sleave of care” and was “the balm of hurt minds.” 这句出自莎士比亚Macbeth (2.2.46-51)

“睡眠将忧虑的细丝散开”,“睡眠是受伤心灵的安慰剂”。

 

【托福考点】

对“睡眠”、“梦境”的科学解读;睡眠的阶段;对照组;实验对象的主观描述与科学数据的对应。

 

点击查看《科学美国人》60秒系列听力练习汇总

 

  Dreams Help Soothe Your Bad Memories.mp3(1.28 MB)


  • 4

  • TAG: 绿 托福 听力 科学美国人

    引用 删除 Guest   /   2016-02-06 11:50:43
    5
    引用 删除 Guest   /   2013-05-11 13:17:07
    原帖由shirley于2012-11-13 17:21:15发表
    done~首段第二句brain和stops当中还有个actually~[/quote]
    的确
    引用 删除 Guest   /   2013-05-07 21:25:27
    5
    引用 删除 Guest   /   2013-05-05 20:36:40
    5
    引用 删除 无人称代词   /   2012-11-16 22:21:12
    很好啊
    引用 删除 Guest   /   2012-11-16 22:20:44
    5
    引用 删除 YOR and ROY   /   2012-11-16 20:53:58
    有点错误
    引用 删除 Guest   /   2012-11-16 20:46:16
    5
    引用 删除 shirley   /   2012-11-13 17:21:15
    done~首段第二句brain和stops当中还有个actually~
     

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