Future decision-making without episodic mental time travel.

Future decision-making without episodic mental time travel.
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DOI:
10.1002/hipo.20981
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发表时间:
2012-06
期刊:
影响因子:
3.5
通讯作者:
Rosenbaum, R. Shayna
Rosenbaum, R. Shayna
中科院分区:
医学3区
文献类型:
--
作者:
Kwan, Donna;Craver, Carl F.;Green, Leonard;Myerson, Joel;Boyer, Pascal;Rosenbaum, R. Shayna

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情景记忆的缺陷与想象未来经历的能力缺陷有关(即,时间旅行(Time Travel)我们证明了K.C.,一个患有情节性失忆症和无法想象未来经历的人,仍然会系统地对未来奖励的价值进行贴现,而且他的贴现在速率和一致性方面都在控制范围内。因为KC既不能想象奖励的个人用途,也不能提供选择更大的未来奖励而不是更小的当前奖励的理由,目前的研究表明,想象和做出涉及未来的决定之间存在脱节。因此,尽管那些能够进行精神时间旅行的人可能会用它来决定未来的奖励,但目前的结果表明,这并不是这种决定所必需的。
Deficits in episodic memory are associated with deficits in the ability to imagine future experiences (i.e., mental time travel). We show that K.C., a person with episodic amnesia and an inability to imagine future experiences, nonetheless systematically discounts the value of future rewards, and his discounting is within the range of controls in terms of both rate and consistency. Because K.C. is neither able to imagine personal uses for the rewards nor provide a rationale for selecting larger future rewards over smaller current rewards, the current study demonstrates a dissociation between imagining and making decisions involving the future. Thus, although those capable of mental time travel may use it in making decisions about future rewards, the present results demonstrate that it is not required for such decisions.
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