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首页> 外文期刊>Comptes Rendus de l'Academie Bulgare des Sciences: Sciences Mathematiques et Naturelles >DOUBLE-STEP ADAPTATION OF SACCADE DIRECTIONS.COMPARISON OF CONSTANT ANDSACCADE-TRIGGERED INTERSTEP INTERVALS
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DOUBLE-STEP ADAPTATION OF SACCADE DIRECTIONS.COMPARISON OF CONSTANT ANDSACCADE-TRIGGERED INTERSTEP INTERVALS

机译：步距方向的双步适应。恒定步距和触发步距的比较

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摘要

Saccadic adaptation is usually studied with the double-step paradigm: a target appears in one location, but is displaced to another location after an interstep interval which is either constant (cISI) or saccade-triggered (tISI). Here we report that the direction of targeting saccades adapts equally well, and shows similar aftereffects, with cISI = 200 ms and with tISI. We therefore found no support for the view that cISI facilitates awareness of the second step and thus encourages cognitive strategies rather than adaptive recalibration. We further report that eye-to-arm transfer of adaptation was more pronounced with cISI than with tISI (second step triggered by arm), which suggests that adaptation might be specific to the timing of targets. We conclude that it might be preferable to use cISI rather than tISI in adaptation research.
机译：声调适应通常采用双步法进行研究：目标出现在一个位置，但在步长间隔为常数（cISI）或扫视触发（tISI）之后会转移到另一位置。在这里，我们报告了瞄准扫视的方向适应性很好，并且在cISI = 200 ms和tISI下显示出类似的后效应。因此，我们认为cISI有助于提高对第二步的认识，从而鼓励认知策略，而不是自适应性重新校准，这一观点没有得到支持。我们进一步报告说，与tISI（手臂触发的第二步）相比，cISI的适应性从眼睛到手臂的转移更为明显，这表明适应性可能是特定于目标时间的。我们得出结论，在适应性研究中，使用cISI而不是tISI可能更可取。

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