In math mode a tilde diacritic can be written as, e.g., \tilde{x}. For a wider tilde \widetilde can be used. The \sim command produce a tilde-like binary relation symbol that is often used in mathematical expressions, and the double-tilde â is obtained with \approx. The url package also supports entering tildes directly, e.g., \url{http://server/~name}.
The cause of cerebral palsy is a brain injury or brain malformation that occurs while the brain is developing â before, during, or after birth. As a result of the brain damage during brain development a childâs muscle control, muscle coordination, muscle tone, reflex, posture and balance can be affected.erebral palsy is caused by brain injury or brain malformation that occurs before, during, or immediately after birth while the infantâs brain is under development.
A. Spastic cerebral palsy (CP) is a disorder that causes problems with movement and balance due to a brain injury that occurs during or near the time of labor and delivery. Sometimes cerebral palsy is noticed soon after birth, but in other children, the disorder wonât be noticed until a few years later.ypoxic ischemic encephalopathy (a lack of oxygen in the brain that causes white matter injury) is a form of brain damage that can cause spastic cerebral palsy as well as other conditions in a baby, such as a seizure disorder and hydrocephalus.