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Postural sway and gaze can track the complex motion of a visual target

Hatzitaki, Vassilia ; Stergiou, Nicholas ; Sofianidis, George ; Kyvelidou, Anastasia

PloS one, 2015, Vol.10(3), pp.e0119828 [Tạp chí có phản biện]

E-ISSN: 1932-6203 ; PMID: 25774508 Version:1 ; DOI: 10.1371/journal.pone.0119828

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  • Nhan đề:
    Postural sway and gaze can track the complex motion of a visual target
  • Tác giả: Hatzitaki, Vassilia ; Stergiou, Nicholas ; Sofianidis, George ; Kyvelidou, Anastasia
  • Chủ đề: Motion Perception -- Physiology ; Posture -- Physiology
  • Là 1 phần của: PloS one, 2015, Vol.10(3), pp.e0119828
  • Mô tả: Variability is an inherent and important feature of human movement. This variability has form exhibiting a chaotic structure. Visual feedback training using regular predictive visual target motions does not take into account this essential characteristic of the human movement, and may result in task specific learning and loss of visuo-motor adaptability. In this study, we asked how well healthy young adults can track visual target cues of varying degree of complexity during whole-body swaying in the Anterior-Posterior (AP) and Medio-Lateral (ML) direction. Participants were asked to track three visual target motions: a complex (Lorenz attractor), a noise (brown) and a periodic (sine) moving target while receiving online visual feedback about their performance. Postural sway, gaze and target motion were synchronously recorded and the degree of force-target and gaze-target coupling was quantified using spectral coherence and Cross-Approximate entropy. Analysis revealed that both force-target...
  • Ngôn ngữ: English
  • Số nhận dạng: E-ISSN: 1932-6203 ; PMID: 25774508 Version:1 ; DOI: 10.1371/journal.pone.0119828

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