More About Major Arc. 1  The measure of major arc is always more than 180Â° or Ï radian. 2  The sum of the measures of the major arc and the minor arc is equal to 360Â° or 2Ï radian.
Childhood Absence Epilepsy Symptoms. The child may be unresponsive, then return to his or her activity unaware that anything has happened. The seizures often occur during exercise. This type of epilepsy can be inherited, and one-third of children with CAE have a family history or seizures.
15 Older adults without epilepsy generally have no significant background changes on their EEG. A study 16 comparing changes on EEGs in young patients (20 to 59 years) and older patients (over 60 years of age) who had epilepsy found decreased background rhythm, rhythmicity, and amplitude in the older group.