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.
Cerebral palsy is a general term describing conditions that cause movement problems. The most common type is spastic cerebral palsy where the muscles are stiff and rigid in one or more limbs. The underlying problem is damage to, or faulty development of, part of the brain.This usually occurs sometime before birth.or example, severe prolonged lack of oxygen during birth may be a cause in a small number of cases. Problems can occur after birth. For example, meningitis or other brain infections that occur in young babies can cause brain damage resulting in cerebral palsy.