Intention tremor
Intention Tremor
Intention tremor (pronounced: in-ten-shun tre-mor) is a type of tremor that is characterized by a rhythmic shaking that occurs during a purposeful movement. It is most commonly associated with conditions such as multiple sclerosis, stroke, and cerebellar disease.
Etymology
The term "intention tremor" is derived from the Latin word "intentio", meaning "stretching out", and the Greek word "tremor", meaning "shaking". It refers to the shaking that occurs when a person stretches out their hand or another part of their body to perform a task.
Definition
An intention tremor is a neurological disorder that causes a rhythmic shaking during voluntary movements. This type of tremor is different from a resting tremor, which occurs even when a person is at rest. An intention tremor is often most noticeable when a person is trying to perform a task that requires precise movements, such as buttoning a shirt or writing.
Causes
Intention tremors are often caused by damage to the cerebellum, a part of the brain that is responsible for coordinating movements. Conditions that can cause damage to the cerebellum and result in an intention tremor include multiple sclerosis, stroke, brain tumor, Wilson's disease, and Friedreich's ataxia.
Symptoms
The primary symptom of an intention tremor is a rhythmic shaking that occurs during voluntary movements. This shaking can affect any part of the body, but it is most commonly seen in the hands and arms. Other symptoms can include difficulty with fine motor tasks, problems with balance and coordination, and dysarthria, a speech disorder that is characterized by slow and slurred speech.
Treatment
Treatment for intention tremors typically involves managing the underlying condition that is causing the tremor. This can include medications, physical therapy, and in some cases, surgery. Medications that may be used to treat intention tremors include beta blockers, anti-seizure medications, and tranquilizers.
External links
- Medical encyclopedia article on Intention tremor
- Wikipedia's article - Intention tremor
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