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Paralysis (pl.: paralyses; also known as plegia) is a loss of motor function in one or more muscles. Paralysis can also be accompanied by a loss of feeling (sensory loss) in the affected area if there is sensory damage. In the United States, roughly 1 in 50 people have been diagnosed with some form of permanent or transient paralysis. [1]
The classic presentation of Todd's paresis is a transient weakness of a hand, arm, or leg after focal seizure activity within that limb. The weakness may range in severity from mild to complete paralysis. [3] When seizures affect areas other than the motor cortex, other transient neurological
Alternating hemiplegia of childhood (AHC) is an ultra-rare neurological disorder named for the transient episodes, often referred to as "attacks", of hemiplegia (weakness or paralysis) that those with the condition experience. It typically presents before the age of 18 months.
Hemiplegia, in its most severe form, is the complete paralysis of one entire side of the body. Either hemiparesis or hemiplegia can result from a variety of medical causes, including congenital conditions, trauma, tumors, traumatic brain injury and stroke. [1]
In medicine, paresis (/ p ə ˈ r iː s ɪ s, ˈ p æ r ə s ɪ s /), compund word from greek Ancient Greek: πάρεσις, (πᾰρᾰ- “beside” + ἵημι “let go, release”), is a condition typified by a weakness of voluntary movement, or by partial loss of voluntary movement or by impaired movement.
More modern editions simply refer to a man who is paralysed. Although the term has historically been associated with paralysis generally, "is now almost always used in connection to the word cerebral—meaning the brain". [1] Specific kinds of palsy include: Bell's palsy, partial facial paralysis; Bulbar palsy, impairment of cranial nerves
Paralysis is a very late sign of acute arterial ischemia and signals the death of nerves supplying the extremity. Foot drop may occur as a result of nerve damage . Because nerves are extremely sensitive to hypoxia , limb paralysis or ischemic neuropathy may persist after revascularization and may be permanent.
The term cataplexy originates from the Greek κατά (kata, meaning "down"), and πλῆξις (plēxis, meaning "strike") [4] and it was first used around 1880 in German physiology literature to describe the phenomenon of tonic immobility also known as "playing possum" (in reference to the opossum's behavior of feigning death when threatened ...