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12.
Victor Nell 《Current directions in psychological science》2002,11(2):75-79
Why is risk consistently underestimated, and why do young men in particular take exceptionally high risks and think of themselves as invulnerable? Two explanatory paths are proposed. The first is that risk taking in young males has been shaped by evolutionary forces to provide a fitness value. The second pathway is through myth and the other narrative forms that affirm the ego's immortality and invulnerability. Because of its evolutionary base, risk taking is emotionally driven: Emotions are preverbal and irrational, which means that persuasive prevention cannot be more than weakly successful. Three prevention challenges emerge from this analysis: to determine what it is that young drivers fear, to attach affectively experienced fears to defined driving behaviors, and to devise injury-prevention programs that acknowledge that young males' risk taking is not "stupid," but driven by adaptive needs that are as significant to today's young adults as they were to our distant ancestors. 相似文献
13.
Episodic memory and the hippocampus: it's about time 总被引:2,自引:0,他引:2
Several recent studies have sought to develop animal models of episodic memory, the capacity to recollect unique personal experiences. However, these studies have not yet provided unambiguous evidence that this capacity is based on recollection of the learning episodes. A recent study that examined memory for the ordering of events within unique experiences, and demonstrated a critical and selective role for the hippocampus, suggests a new and promising model for neurobiological analyses of episodic memory. 相似文献
14.
Mattia Riccardi 《British Journal for the History of Philosophy》2016,24(1):132-154
In this paper I argue that Nietzsche's view on consciousness is best captured by distinguishing different notions of consciousness. In other words, I propose that Nietzsche should be read as endorsing pluralism about consciousness. First, I consider the notion that is preeminent in his work and argue that the only kind of consciousness which may fit the characterization Nietzsche provides of this dominant notion is self-consciousness (Sconsciousness). Second, I argue that in light of Nietzsche's treatment of perceptions and sensations we should conclude that he takes each of such state types to involve a specific kind of consciousness which differs from Sconsciousness. I label these two additional kinds of consciousness perceptual consciousness (Pconsciousness) and qualitative consciousness (Qconsciousness), respectively. I conclude the paper with some remarks on how, in Nietzsche's picture, these three different kinds of consciousness might relate. 相似文献
15.
对来自山东日照市两所普通高中1~3年级的689名学生进行问卷调查,考察感觉寻求、同伴压力(包括烟酒使用同伴压力与其他同伴压力)对高中生烟酒使用的影响,以及同伴压力的调节作用。结果表明:(1)感觉寻求、烟酒使用同伴压力对高中生烟酒使用有正向预测作用,其他同伴压力也能显著预测其饮酒行为。(2)烟酒共用同伴压力调节感觉寻求和高中生烟酒共用间的关系,只有在高烟酒共用同伴压力下感觉寻求才会显著预测烟酒共用;饮酒同伴压力也调节感觉寻求和高中生饮酒间的关系,只有在高饮酒同伴压力下高感觉寻求者才会有较多饮酒行为;其他同伴压力无此调节作用。(3)吸烟同伴压力不能调节感觉寻求和高中生吸烟间的关系。 相似文献
16.
科学假说在揭示嗅觉奥秘中的作用--解读2004年度诺贝尔医学奖 总被引:4,自引:2,他引:2
通过分析2004年诺贝尔医学奖的发现过程,揭示假说对科学研究的指导意义.只有勤观察,多思考,大胆假设,小心求证,才能揭示自然规律. 相似文献
17.
以523名工读生为调查对象,考察工读生毒品使用特点,并在控制相关人口学变量后,探讨感觉寻求、压力性生活事件、结交不良同伴与工读生毒品使用的关系。结果显示:(1)工读生的毒品使用行为严重,34.2%的工读生曾使用过毒品,毒品使用呈现低龄化、以吸食新型毒品为主的趋势。(2)工读生的感觉寻求是毒品使用的风险因素。(3)压力性生活事件对感觉寻求与毒品使用之间的关系具有风险增强的调节效应。(4)这种调节效应以结交不良同伴为中介变量。因此,感觉寻求对工读生毒品使用的影响是有中介的调节效应。研究结果对青少年毒品使用的预防和干预有重要的理论价值和参考价值。 相似文献
18.
Anna Storozhuk 《Journal for General Philosophy of Science》2007,38(2):369-382
In the article two viewpoints on the mind’s influence on perception are considered. One of them was developed on the assumption
that perception is a nonproblematic source of knowledge about the world, which is free from mind’s influence—perception as
a mirror-image. Another viewpoint is perception as action, i.e. active search and gathering the relevant information, its
processing and evaluation. First viewpoint has dominated in philosophy for a long time, the second one has been developing
in psychology from the 80th of the 20th century. The aim of the paper is to examine some philosophically significant corollaries
from both positions concerning objectiveness, epistemological status of an observation, truth, meaning of name. Analysis showed
that perception as action is non-compatible with many traditional concepts, and it goes both against empiricism and against
realism as it involves some critical arguments, e.g. theory ladenness of observations, underdetermination of theory by facts,
the historical development of a scientific fact. 相似文献
19.
ABSTRACT— Compared to adolescents with low exposure to smoking in movies, those with high exposure are about three times as likely to try smoking or become smokers. We have observed this effect in nationally representative samples using cross-sectional and longitudinal designs. This effect remains statistically significant after controlling for numerous other traditional risk factors, such as personality, parenting style, and sociodemographics. Indeed, the movie-smoking exposure effect on adolescent smoking initiation is greatest among those traditionally considered at lower risk for smoking, such as those low in sensation seeking and those whose parents do not smoke. In this article, we consider possible moderators and mediators of this important media effect as well as health-policy implications. The take-home message is that eliminating smoking in movies may prevent a substantial number of adolescents from smoking. 相似文献
20.
新颖寻求(或感觉寻求)特质与许多成瘾药物的易感性密切相关。例如, 高、低新颖寻求动物对可卡因、苯丙胺和吗啡等成瘾药物的奖赏、运动激活、强化效应的反应存在差异。长期饮用酒精也容易成瘾, 但尚未发现关于新颖寻求特质影响酒精成瘾的报道。本实验采用药物成瘾研究中常用的自发活动模型, 考察了高、低新颖寻求动物在酒精急性处理、慢性处理和激发过程中的行为表现。实验过程中首先采用两种新颖寻求模型, 即新颖环境中自发活动模型和新颖客体偏爱模型, 将昆明小鼠分别区分为高、低自发活动组和高、低新颖客体偏爱组, 连续10天给予酒精(2g/kg/d, i.p.)或等量盐水处理, 戒断2天后所有小鼠接受酒精(2g/kg)激发。实验结果表明, 新颖环境低自发活动小鼠比新颖环境高自发活动小鼠对酒精急性、慢性处理导致的运动激活效应更敏感; 在酒精激发期前者的自发活动水平也高于后者。本实验结果说明新颖环境中自发活动特质影响动物对酒精导致的运动激活效应的反应。 相似文献