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Science and technology.
科技。
Robots and psychology1
机器人与心理学
Mapping the uncanny valley
了解恐怖谷理论
Why androids are scary
为什么人形机器人那么吓人
ARTIFICIALLY created beings, whether they be drawn2 or sculpted3, are warmly accepted by viewers when they are distinctively4 inhuman5. As their appearances are made more real, however, acceptance turns to discomfort6 until the point where the similarity is almost perfect, when comfort returns. This effect, called "the uncanny valley" because of the dip in acceptance between clearly inhuman and clearly human forms, is well known, particularly to animators, but why it happens is a mystery. Some suggest it is all about outward appearance, but a study just published in Cognition by Kurt Gray at the University of North Carolina and Daniel Wegner at Harvard argues that there can be something else involved as well: the apparent presence of a mind where it ought not to be.
无论是画出来的还是造出来的机器人，当它们与人类很不相像时，人类就能很好地接受它们。但是，随着它们的外貌越来越近似真人，这种接受就会转变为反感（ ——shadowing的译法：人会对这种机器人的态度从好感变为厌恶）。直到它们与人类的相似度达到一个几近完美的状态，人类又会重新接受它们。因为在不够拟人和非常拟人之间人们对机器人的接受度有一个下降的过程，所以这种效果被称为"恐怖谷"①。（——lovewj1989的调整译法：这个效应之所以被称作"恐怖谷理论"，是因为从机器人与人类外表差异极大到差异极小，人类对机器人的接受度曲线先下后上，形成一个低谷。）（因为在不够拟人（传统机器人）和（真人机器人）非常拟人之间，人类好感度突然下降，所以这 种效果被称为"恐怖谷"。）恐怖谷理论众所周知，尤其是对动画家来说，但它的出现原因却是个谜。一些人认为这一理论只和外表有关，但最近北卡罗来纳大学的Kurt Gray与哈佛大学的Daniel Wegner在《认知》上发表了一篇研究文章，称这其中可能还包含着别的东西，即本不该出现在机器人身上的明显的思维能力。
According to some philosophers the mind is made up of two parts, agency (the capacity to plan and do things) and experience (the capacity to feel and sense things). Both set people apart from robots, but Dr Gray and Dr Wegner speculated that experience in particular was playing a crucial role in generating the uncanny-valley effect. They theorised that adding human-like eyes and facial expressions to robots conveys emotion where viewers do not expect emotion to be present. The resulting clash of expectations, they thought, might be where the unease was coming from.
根据哲学家的说法，思维由两部分构成：执行（计划并完成事情的能力）和体验（感受事物的能力）。这两者都能将人与机器人区分开，但Gray博士和 Wegner博士推测，在产生恐怖谷效应方面，经验起着尤其重要的作用。他们建立了一个理论，即如果使机器人拥有像人类一样的眼睛和表情，它们就能传递感情，但在观察者的预期中这种感情是不该出现在机器人身上的。他们认为这种预期所产生的冲突可能就是不适感的来源。
To test this idea, the researchers presented 45 participants recruited from subway stations and campus dining halls in Massachusetts with a questionnaire about the "Delta-Cray supercomputer". A third were told this machine was "like a normal computer but much more powerful". Another third heard it was capable of experience, by being told it could feel "hunger, fear and other emotions". The remainder were told it was capable of "self-control and the capacity to plan ahead", thus suggesting it had agency. Participants were asked to rate how unnerved they were by the supercomputer on a scale where one was "not at all" and five was "extremely".
为了验证这个想法，研究者从马萨诸塞州的地铁站或大学食堂征集了45位参与者，就"Delta-Cray超级计算机"对他们做了一份问卷调查。参与调查问卷的人中有三分之一被告知这台机器"和正常的电脑一样，但强大许多"；另外三分之一的人被告知它有体验的能力，即它能感受到"饥饿、恐惧以及其他一些情感"；剩下的三分之一则被告知它能"自我控制，并有能力提前制定计划"，也就是说它具有执行力。研究者请他们从一分（一点都不）到五分（非常恐惧）对这台超级电脑给他们带来的恐惧感进行打分。 -（---敛刃的译法：研究者请参与者按照自身受到的恐惧感对这台超级电脑进行打分，从一分到五分不等，一分表示"一点都不紧张"，五分则表示"非常紧张"。）
Dr Gray and Dr Wegner found that those presented with the idea of a supercomputer that was much more powerful than other computers or was capable of planning ahead were not much unnerved. They gave it a score of 1.3 and 1.4 respectively. By contrast, those presented with the idea of a computer capable of experiencing emotions gave the machine an average of 3.4. These findings are consistent with the researchers' hypothesis. There seems to be something about finding emotion in a place where it is not expected that upsets people. This led Dr Gray and Dr Wegner to wonder if the reverse, discovering a lack of experience in a place where it was expected, might prove just as upsetting.
Gray博士和 Wegner博士发现，那些被告知这台电脑只是一台比其他电脑强大许多的超级计算机和它有提前制定计划的能力的问卷参与者都没有感到十分恐惧。他们给出的平均分分别是1.3和1.4分。相比之下，那些被告知这台电脑有体验情感能力的参与者打出的恐惧分数为3.4分。这一发现与研究者的假设相吻合。似乎是发现一个不该有情感的机器却有了情感这类事使人类感到不安。这使Gray博士和 Wegner博士不禁想问，如果将情况反过来，人类发现一个该有情感的人却没有体验情感的能力时会不会同样会感到不安。
To explore this, they presented a further 44 volunteers, recruited in the same manner as those in the earlier experiment, with a picture of a man. A third were told that he was normal; a third that he was unable to plan; and a third that he was unable to feel pain, pleasure or fear. As in the first experiment, participants rated how unnerved they were by the man on a five-point scale.
为了弄清这一问题，两位博士以同样的方式再次征集了44位志愿者，并向他们展示了一张男人的照片。其中三分之一的人被告知这个男人是正常的，另外三分之一的人被告知他没有制定计划的能力，剩下的三分之一则被告知他没有感受疼痛、愉悦或恐惧的能力。和第一次实验一样，博士们要求参与者按五分制给这个男人给他们带来的恐惧感进行打分。
Those who were told the man was normal, or was incapable7 of planning, gave scores that averaged 1.8 and 1.9 respectively. Those told he could not feel pain, pleasure or fear were much more unnerved. They gave average scores of 3.0.
那些被告知这个男人是正常的和他没有能力制定计划的参与者给出的平均分分别是1.8分和1.9分。但那些被告知这个男人没有能力感受疼痛、愉悦或恐惧的参与者要比前两批人恐惧得多，他们给出的平均分为3.0分。
Dr Gray and Dr Wegner believe their findings argue that a big part of the uncanny-valley effect stems from expectations not being met. Robots are not expected to have feelings and when such feelings are found, it seems somehow wrong. Humans, by contrast, are expected to have feelings-and when such feelings are not found, the effect is equally frightening. Their conclusions will perhaps give pause to those who see the ultimate robot as something which physically8 resembles a human being.
Gray博士和 Wegner博士认为：他们的发现表明引起恐怖谷效应的大部分原因根源在于人们的预期没有得到满足。人们认为机器人不会有情感，当发现它们拥有情感时，人们就会觉得这是不正常的。相比之下，人类是有情感的，当人们发现某个人没有情感时，他们同样会感到恐惧不安。一些人认为机器人发展到最后，会在物质形态上与人类十分相似，但这次研究的结论可能会让他们断了这种念头。
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1
psychology
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| n.心理，心理学，心理状态 | |
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2
drawn
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| v.拖，拉，拔出；adj.憔悴的，紧张的 | |
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3
sculpted
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| adj.经雕塑的 | |
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4
distinctively
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| adv.特殊地，区别地 | |
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5
inhuman
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| adj.残忍的，不人道的，无人性的 | |
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6
discomfort
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| n.不舒服，不安，难过，困难，不方便 | |
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7
incapable
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| adj.无能力的，不能做某事的 | |
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8
physically
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| adj.物质上，体格上，身体上，按自然规律 | |
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