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  3. The old proverb has it that "laugh and the world laughs with you; cry and you cry alone." What’s new is the discovery by Univers

The old proverb has it that "laugh and the world laughs with you; cry and you cry alone." What’s new is the discovery by Univers

admin2010-08-04  41
问题     The old proverb has it that "laugh and the world laughs with you; cry and you cry alone." What’s new is the discovery by University of California, San Francisco scientists that the expression on your face can also affect your own feelings and that if you deliberately change that expression your body will automatically  respond.
    Psychologists Paul Ekman, Robert W. Levenson and Wallace Friesen enrolled professional actors in their experiment because they have been trained both to recall emotions from the past and not to be self conscious or embarrassed when asked to pose. After they were hooked up to equipment that electronically recorded the activity of their involuntary nervous systems, the actors were not told how to feel. But they were, instructed to move muscles in their faces to create smile, frowns, and expressions of anger, fear, sadness, happiness, disgust and surprise.
    Two major findings came out of the study, published in Science magazine. One is that heart rate and skin temperature--both under the control of the autonomic nervous system--vary according to facial expression.  This suggests some form of communication between the brain’s motor cortex(皮层), which governs voluntary movements, and areas in the brain’s hypothalamus(下丘脑) that, instead, deal with unconscious  bodily reactions to stimuli.
    The other finding is that, contrary to what had been expected, the facial expressions that convey anger,  fear, sadness and disgust each produce a different, but typical pattern of response from the involuntary  nervous system. Though the psychologists have not yet detected correspondingly specific patterns for the other emotions they studied, they expect to identify them eventually.
    As importantly, says Ekman, the new discoveries may, in time, have practical consequences because  they "open the door to exploring how emotions cause physical disorders, and offer the possibility of using facial expressions therapeutically(治疗地)."
The distinct and typical pattern of responses is produced by______.
选项 A、the autonomic nervous system
B、the voluntary nervous system
C、the brain’s motor cortex
D、the brain’s hypothalamus
答案A
解析 事实细节题。第四段首句提到"the facial expressions... each produce a different，but typical pattern of response from the involuntary nervous system．"由此可知，第二个发现就是表达喜怒哀乐的每一种面部表情都纵自主神经系统中产生一个不同但却很典型的反应模式。involuntary 与 autonomic意思相近，故A项为正确答案。
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