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首页> 外文期刊>Brain and cognition >Action control: Independent effects of memory and monocular viewing on reaching accuracy
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Action control: Independent effects of memory and monocular viewing on reaching accuracy

机译：动作控制：记忆和单眼观看对达到准确性的独立影响

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摘要

Evidence suggests that perceptual networks in the ventral visual pathway are necessary for action control when targets are viewed with only one eye, or when the target must be stored in memory. We tested whether memory-linked (i.e., open-loop versus memory-guided actions) and monocular-linked effects (i.e., binocular versus monocular actions) on action arise from a common mechanism as suggested by evidence from neuropsychology and psychophysics. Participants viewed targets with either one eye or two (vision: monocular versus binocular) and then reached to touch targets in open-loop and memory-guided conditions (condition: open-loop versus 0, 500, 1000, and 1500 ms delays). Results showed that memory-linked and monocular-linked increases in radial and variable movement error were additive (i.e., main effects of vision and condition, but no interaction). This suggests that the two effects on visuomotor control arise from separate mechanisms, in contrast to evidence from psychophysics and neuropsychology suggesting a common underlying mechanism.
机译：有证据表明，当仅用一只眼睛观看目标或必须将目标存储在内存中时，腹侧视觉通路中的感知网络对于动作控制必不可少。我们测试了与记忆有关的行为（即开环与记忆引导动作）和与单眼有关的作用（即双眼与单眼动作）是否是由神经心理学和心理物理学证据表明的共同机制引起的。参与者用一只眼睛或两只眼睛观看目标（视觉：单眼与双眼），然后在开环和记忆引导条件下（条件：开环与0、500、1000和1500 ms延迟）接触目标。结果表明，与记忆有关和单眼有关的径向和可变运动误差增加是累加的（即视力和状况的主要影响，但没有相互作用）。这表明，对视觉运动控制的两种作用是由不同的机制引起的，这与心理物理学和神经心理学的证据提示共同的潜在机制相反。

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