Sensory ataxia
Sensory Ataxia
Sensory ataxia (/sɛnsəri əˈtæksiə/), also known as sensory neuropathy or sensory neuronopathy, is a type of ataxia that results from damage to the sensory neurons in the peripheral nervous system. This damage can lead to difficulties with coordination, balance, and spatial awareness.
Etymology
The term "sensory ataxia" is derived from the Greek words "aisthēsis" (sensation) and "ataxia" (lack of order), referring to the disorder's impact on sensory perception and coordination.
Symptoms
Symptoms of sensory ataxia may include:
- Dysmetria: This is a lack of coordination of movement typified by the undershoot or overshoot of intended position with the hand, arm, leg, or eye. It is a type of ataxia. It may also include an inability to judge distance or scale.
- Gait abnormalities: Individuals may have an unsteady, staggering gait with a wide base and difficulty with turns. Individuals may walk with a high step and bring their feet down hard.
- Loss of proprioception: Proprioception is the sense of the relative position of one's own parts of the body and strength of effort being employed in movement. In sensory ataxia, there may be loss of proprioception, causing individuals to watch their own legs as they walk.
Causes
Sensory ataxia can be caused by a variety of conditions, including peripheral neuropathy, multiple sclerosis, vitamin B12 deficiency, and Friedreich's ataxia.
Diagnosis
Diagnosis of sensory ataxia typically involves a physical examination, medical history, and may include tests such as a nerve conduction study or MRI.
Treatment
Treatment for sensory ataxia depends on the underlying cause. It may include medications, physical therapy, or in some cases, surgery.
External links
- Medical encyclopedia article on Sensory ataxia
- Wikipedia's article - Sensory ataxia
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