A seizure may start in one part of your brain, or both sides may be affected. The seizure may last a few seconds or up to 5 minutes. A new-onset seizure is a seizure that happens for the first time. You have a higher risk for another seizure within the next 2 years. Some people also develop another type of seizure called a tonic-clonic seizure. This is a seizure that causes convulsions. Absence seizures are most common in children and adolescents. They can also start in adulthood.
A convulsion is an episode in which you experience rigidity and uncontrolled muscle spasms along with altered consciousness. The spasms cause jerky motions that generally last a . Focal seizures in adults start in a specific part of the human brain and may cause both emotional and physical effects. These seizures force you to see, feel or hear things, which do not remain actually present. Most of the times, doctors also call this problem as a partial seizure.
Seizures in Adults Seizures can be seen in people of all ages. Generally, the seizure types, causes and treatments are similar in people of different ages. Yet there are unique issues at each age group to consider. Tonic clonic seizures, which many people call convulsions, are the ones most people think of when they hear the word "epilepsy." Tonic clonic seizures often start with a cry, caused by air being suddenly forced out of the lungs. The person slumps in his seat or falls to the ground, unconscious. The body stiffens briefly and then begins to jerk.