当喜剧演员迈克尔·理查德斯几年前在一个喜剧俱乐部被一位美国黑人质问者搞得懊恼不安时，他用了一大段带种族侮辱色彩的话作回应。
When comic Michael Richards was unnerved by an African American heckler at a comedy club several years ago, he responded with a racial-slur-laced tirade.
小组给495位年龄在35-47岁间的试验者系上精密的腕带，这些腕带可追踪人体的细微活动。
They fitted 495 people aged 35 to 47 with sophisticated wrist bands that tracked subtle body movements.
研究者得到的更为有力的证据是，两种方法都能降低大脑痛觉感觉区域的活动，而这一部位称为前扣带皮质。
The researchers obtained further confirmation by showing that both treatments lowered the activity in a pain-sensing area of the brain known as the anterior cingulate cortex.
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