请教一道logical reasoning

chasingd2012 · 发表于 2012-7-6 16:59:49

Further evidence of a connection between brain physiology and psychological states has recently been uncovered in the form of a correlation between electroencephalograph patterns and characteristic moods. A study showed that participants who suffered from clinical depression exhibited less left frontal lobe activity than right, while, conversely, characteristically good-natured participants exhibited greater left lobe activity. Thus one's general disposition is a result of the activity of one's frontal lobe.

Each of the following, if true, weakens the argument except:

正确答案是(A), Many drugs prescribed to combat clinical depression act by causing increased left lobe activity. 但不太明白这个为什么不对，是说这些药品可能不能有效combat depression吗？

s_dUSA · 发表于 2012-7-7 14:44:42

pay attention to the question, it's ask non-weakening item!

A is strengthening the argument, sure it is the correct answer!

玛莎丁丁 · 发表于 2012-7-8 22:23:48

A的意思是说由于大多数抗抑药物是通过增加那个left lobe活动而产生效果，所以可能可以用来佐证这个研究的结论，也即个人个性与大脑物理活动之间的关系。。。虽然个人认为不一定有力地strengthen，但确实不会weaken

yiner0111 · 发表于 2012-7-17 10:59:04

stimulus -- good natured participants：left > right； depression participants: right > left.

choice A -- drug for depression tries to increase the left, by which means the depression ones are right >= left, coincident with the stimulus.

请教一道logical reasoning

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