If a movement is __________, instructions to decrease movement time have a detrimental effect on spatial accuracy.

Question

BlackTom AI · Accepted Answer

The question asks about a condition under which instructions to decrease movement time would harm spatial accuracy. 
Option 1: 'relatively slow' — If movements are already slow, telling someone to move even faster would push them toward a speed-accuracy trade-off where accuracy could suffer, but the hallmark scenario given in motor control is most directly observed when movements are already fast. This option does not best capture the typical relation described. 
Option 2: 'relatively fast' — When movements are already fast, imposing a further decrease in movement time tends to exacerbate spatial errors due to reduced planning and online correction time. This aligns with the speed-accuracy trade-off principle: faster movements generally come at the cost of precision, and additional pressure to move quickly typically degrades spatial accuracy. 
Option 3: 'well learned' — If a movement is well learned, performance is more automatic and robust to speed changes; instructions to move faster might have less detrimental effect on accuracy, making this option unlikely to describe the specified condition. 
Option 4: 'without vision' — Lack of vision affects online error correction and feedback, but the statement about detrimental effects from decreasing movement time is not inherently tied to vision status. While vision can influence accuracy, the core idea in motor control about speed-accuracy interaction is not uniquely defined by vision absence. 
Taking all options together, the description that best matches the condition where reducing movement time would harm spatial accuracy is the 'relatively fast' case, since faster-than-preferred movements are most susceptible to accuracy losses under time constraints.

If a movement is __________, instructions to decrease movement time have a detrimental effect on spatial accuracy. 单项选择题

类似问题

Because the velocity of a movement is larger when a movement is sped up, decreasing the movement time for a task increases timing error.

Is the following statement true or false? In the products of methylation-hydrolysis, every -OH group corresponds to the position of a glycosidic bond in the starting polysaccharide.

Which of the follwoing structures represents amylopectin?

Which of the following is true about an aldopentose?I. It is a monosaccharide.II. It contains a CHO groupIII. It is a disaccharide.IV. It is an oligosaccharide.

For stock A, we have 𝛽 𝑖 = 0.70. Suppose the expected market risk premium next year is 9% and the risk-free rate is 3%. What is the expected return of this stock based on the CAPM? (Please answer in % and round to 2 decimal places. If the answer is 8.057%, then in the box, write 8.06)

更多留学生实用工具

智能学习助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单