Damage to this area will cause difficulty in the timing and patterns of movement of skeletal muscle contractions for smooth and coordinated movement (ataxia):

Question

BlackTom AI · Accepted Answer

The prompt asks about a brain area whose damage leads to difficulty in timing and patterns of skeletal muscle contractions, resulting in ataxia and loss of smooth, coordinated movement.

In this case, the provided data lacks any answer choices to analyze individually. Without a listed set of options, we cannot assess why each alternative would be right or wrong. Nevertheless, we can ground the explanation in core neuroanatomy.

Key concept: the cerebellum is essential for coordinating voluntary movements, fine-tuning motor commands, and ensuring smooth, accurate timing of muscle contractions. When the cerebellum is damaged, patients typically exhibit ataxia, dysmetria (impaired distance/aiming), broad-based gait, intention tremor, and errors in rapid alternating movements. This aligns precisely with the description of impaired timing and patterning of skeletal muscle contractions leading to a lack of coordinated movement.

If there were alternate options, each would be weighed against this diagnostic feature:
- A brain region primarily involved in planning or initiating movement without closely governing timing would not fully account for ataxia, though it could affect motor output.
- A structure more associated with sensory integration, posture, or reflexes might contribute to movement issues but wouldn’t uniquely explain the hallmark timing and coordination deficits of cerebellar dysfunction.
- A subcortical area mainly tied to motivation or emotion would be unlikely to produce a classic ataxic movement pattern.

Overall, the described clinical picture strongly points to the cerebellum as the structure whose damage produces impaired timing and coordination of skeletal muscle contractions, i.e., ataxia.

Note: if you provide the actual answer options, I can map each option to this reasoning and specify exactly why the cerebellum is correct and why the others would be incorrect.

Damage to this area will cause difficulty in the timing and patterns of movement of skeletal muscle contractions for smooth and coordinated movement (ataxia):

查看解析

登录即可查看完整答案

类似问题

A patient has poor coordination and balance after suffering a fall from height, Which area of the brain is likely affected?

After a serious auto accident, your friend has difficulty sitting securely in her chair, and she often drops her fork or misses her mouth as she tries to feed herself. She may have suffered damage to which area of the brain? 题目解析

Damage to this area will cause difficulty in the timing and patterns of movement of skeletal muscle contractions for smooth and coordinated movement (ataxia):

A patient is experiencing difficulty with balance and coordinated movement as a result of a brain tumor. The tumor is most likely affecting which brain area?

Alice has been diagnosed with spinocerebellar degeneration. The first stage of the disease involves tremors and unsteady gate. In the later stages, she will be unable to stand or walk and will be uncoordinated in her movements. This disease affects the part of the brain called the __________.

Identify the bond angle and molecular shape of H2O.

Using Dalton's Atomic theory, explain the following observation. Hint: DO NOT answer with a law! The mass of the products at the end of the reaction was the same as the mass of the reactants at the beginning.

The number of valence electrons in a sulfur atom is 16.

更多留学生实用工具

考试浏览器助手

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