Neurites include axons, which are often severed during spinal cord injuries. When axons are cut, communication between neurons is disrupted, leading to paralysis and loss of sensation below the injury ...

Though rare, cerebral palsy can sometimes cause hypotonic symptoms, or chronic muscle weakness. Treatments such as physical therapy or surgery can help improve mobility. Cerebral palsy is a physical ...

Medically reviewed by Brigid Dwyer, MD Key Takeaways Facial nerve paralysis often causes weakness on one side of the face.Bell's palsy is a common cause of facial nerve paralysis and is linked to ...

Hemiplegia refers to paralysis on one side of the body. It can affect the legs, arms, and facial muscles on the left or right side. It is not a condition, but a symptom of other conditions. Hemiplegia ...

Sleep paralysis is a temporary sense of paralysis that occurs between stages of wakefulness and sleep. During an episode of sleep paralysis, you are conscious but unable to move or speak.One of the ...

Commercially available assistive typing devices predominantly rely on the person using the device being able to make eye movements or deliver voice commands. Eye-tracking keyboards can let people with ...

Medically reviewed by Sanja Jelic, MD Key Takeaways Sleep paralysis happens when you wake up but can't move for a few minutes.Stress and anxiety can trigger episodes of sleep paralysis.Sleep paralysis ...