It seems reasonable to speculate, though, that feelings of happiness or warmth elicited by cute pictures helps relieve stress, thereby enabling the brain to focus and concentrate with greater power.

尽管如此，我们可以合理地猜测，由可爱的图片所激发的开心和温暖的感觉有助于舒缓压力，由此使得大脑以更高的效率集中精神。

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The first set of experiments on 20 people developed signatures for pain versus the anticipation of it or mild warmth on the arm.

WSJ: Doctors use brain scans to 'see' and measure pain

And cynics noted a lack of warmth or specifics in her praise of her young rival.

ECONOMIST: Barack Obama struggled this week to unite his party

The Utopia proved to be a bland and soulless set of blocks organised in myriad sectors, lacking any kind of human warmth or naturalness.

BBC: Mount Ainslie