Alternative names: Sensory loss; Paresthesias; Tingling and numbness; Loss of sensation Definition: Numbness and tingling are abnormal sensations that can occur anywhere in your body, but are often ...

Parkinson's disease is a chronic, progressive neurodegenerative movement disorder. Tremors, rigidity, slow movement (bradykinesia), poor balance, and difficulty walking (called parkinsonian gait) are ...

Alternative names: Peripheral neuritis; Neuropathy - peripheral; Neuritis - peripheral  Definition: Peripheral neuropathy is a problem with the nerves that carry information to and from the brain a ...

Restless leg syndrome (RLS) and periodic limb movement disorder (PLMD) are common sleep disorders, especially in the elderly. RLS is a genetic disorder resulting in prickly or tingling sensations in t ...

Alternative Names: Neuropathy - sciatic nerve; Sciatic nerve dysfunction Definition: Sciatica is a condition involving pain, weakness, numbness, or tingling in the leg. It is caused by injury to or ...

There are more than 70 different sleep disorders that are generally classified into one of three categories: lack of sleep (e.g., insomnia), disturbed sleep (e.g., sleep apnea, REM sleep behavio ...

Alternative names: Cerebrovascular disease; CVA; Cerebral infarction; Cerebral hemorrhage; Ischemic stroke; Stroke - ischemic   Definition: A stroke is an interruption of the blood supply to any ...

Alternative names: Mini stroke; TIA; Little stroke  Definition: A transient ischemic attack is a "mini-stroke" caused by temporary disturbance of blood supply to an area of the brain, which results ...

Tremor is involuntary trembling in part of the body. The most common type is essential tremor. It is associated with purposeful movement (e.g., holding a glass to drink, shaving, writing, buttoning a ...

This pain, also known as tic douloureux, involves the nerves of the face and usually occurs on one side of the face only. Its pain is intermittent and severe, often describes as electric shock-like or ...