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 spastic diplegia is the result of brain damage and mainly affects the legs. The damage involves brain malformations around the ventricles, which are the fluid filled spaces. Typically, a lack of oxygen during brain formation causes a development failure in the pyramidal tracts.y Jeff Rasansky. Spastic Diplegic Cerebral Palsy. Spastic diplegia is a form of cerebral palsy where both the arms and legs have abnormal stiffness. The legs are often more affected than the upper extremities.