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Dissociation in accessing space and number representations in pathologic pain patients

机译:病理性疼痛患者进入空间的分离和数字表示

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摘要

Space is represented by integrating egocentric and allocentric reference frames; however, little is known about the role of these independent reference frames in number representation. Using patients with unilateral pathologic pain in one limb, we investigated whether number representation is closely linked to space representation by evaluating visual subjective body-midline judgments in dark and light conditions (egocentric and allocentric space, respectively). To evaluate the number representation, pairs of numbers were read aloud to the participant, who was then asked to state the midpoint number that they intuitively perceived to be at the middle of each interval. All of the patients perceived allocentric space accurately in the light condition. However, each of the patients showed perceptual shifts in egocentric space and number representation in the dark as compared with control subjects. Direct comparison showed a consistent relationship between number representation and egocentric space. We suggest that numbers are represented spatially by integrating these independent reference frames.
机译:空间是通过整合以自我为中心和同心为中心的参照系来表示的;然而,对于这些独立参考系在数字表示中的作用知之甚少。我们使用患肢的单侧病理性疼痛的患者,通过评估在黑暗和明亮条件下(分别以自我中心和同心中心的空间)的视觉主观身体中线判断来研究数字表示是否与空间表示紧密相关。为了评估数字表示形式,将几对数字朗读给参与者,然后让参与者陈述他们直观地认为在每个间隔的中间的中点数字。所有患者在光照条件下都能准确地感知到同心轴空间。然而,与对照对象相比,每个患者在黑暗中都表现出自我中心空间和数字表示的感知变化。直接比较表明,数字表示与以自我为中心的空间之间存在一致的关系。我们建议通过集成这些独立的参考系在空间上表示数字。

著录项

  • 来源
    《Brain and cognition》 |2014年第10期|151-156|共6页
  • 作者单位

    Department of Pain and Palliative Medicine, The University of Tokyo Hospital, Japan,Department of Anesthesiology and Pain Relief Center, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan;

    Kobe Advanced ICT Research Center, National Institute of Information and Communications Technology, 588-2, Iwaoka, Nishi-ku, Kobe, Hyogo 651-2492, Japan;

    Research Center for Advanced Science and Technology, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8904, Japan;

    Department of Rehabilitation for the Movement Functions, Research Institute, National Rehabilitation Center for Persons with Disabilities, 4-1 Namiki, Tokorozawa, Saitama 359-0042, Japan;

    Department of Anesthesiology and Pain Relief Center, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan;

    Kobe Advanced ICT Research Center, National Institute of Information and Communications Technology, 588-2, Iwaoka, Nishi-ku, Kobe, Hyogo 651-2492, Japan;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Pain; Space representation; Number representation; Egocentric reference frame; Allocentric reference frame;

    机译:痛;空间表示;数字表示;以自我为中心的参照系;等心参考系;

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