Impact of simulated target blur on the preparation and execution of aiming movements

IF 1.7 4区 心理学 Q3 PSYCHOLOGY, EXPERIMENTAL
J. Roberts, James Maiden, S. Bennett
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引用次数: 0

Abstract

ABSTRACT While visual information directly influences the preparation and control of aiming movements, less is known about the influence of a degraded visual context such as target blur. Participants aimed as quickly and accurately as possible within a virtual aiming environment to clear or blurred targets using a stylus on a digitizing board. Findings showed a more prolonged time to initiate movements for blurred compared to clear targets, but no influence for movement time, or end-point accuracy and precision. The adaptation in movement preparation may reflect an initial uncertainty surrounding the visual context; namely, the visual target characteristics that are typically needed to avoid any error. Meanwhile, the absence of any influence within movement reflects the processing of the coarse and dynamic visual characteristics of the limb, which was independent of the degraded visual context of the target. These findings may contribute further insights toward low vision and possible functional adaptations.
模拟目标模糊对瞄准动作准备和执行的影响
虽然视觉信息直接影响瞄准运动的准备和控制,但人们对目标模糊等视觉环境退化的影响知之甚少。参与者在虚拟瞄准环境中尽可能快速准确地瞄准,使用数字化板上的触控笔来清除或模糊目标。研究结果显示,与清晰目标相比,模糊目标启动运动的时间更长,但对运动时间、终点准确性和精度没有影响。动作准备中的适应可能反映了最初围绕视觉环境的不确定性;也就是说,通常需要视觉目标特征来避免任何错误。同时,在运动中不受任何影响反映了肢体粗糙和动态的视觉特征的加工,这与目标视觉环境的退化无关。这些发现可能有助于进一步了解低视力和可能的功能适应。
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来源期刊
VISUAL COGNITION
VISUAL COGNITION PSYCHOLOGY, EXPERIMENTAL-
CiteScore
4.20
自引率
10.00%
发文量
29
期刊介绍: Visual Cognition publishes new empirical research that increases theoretical understanding of human visual cognition. Studies may be concerned with any aspect of visual cognition such as object, face, and scene recognition; visual attention and search; short-term and long-term visual memory; visual word recognition and reading; eye movement control and active vision; and visual imagery. The journal is devoted to research at the interface of visual perception and cognition and does not typically publish papers in areas of perception or psychophysics that are covered by the many publication outlets for those topics.
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