Search results
Results from the WOW.Com Content Network
A seizure is a sudden change in behavior, movement or consciousness due to abnormal electrical activity in the brain. [3] [6] Seizures can look different in different people.. It can be uncontrolled shaking of the whole body (tonic-clonic seizures) or a person spacing out for a few seconds (absence seizure
During the typical 1 minute seizure, a person experiences a familiar (déjà vu) sensation, followed by picking and fumbling hand movements. After this seizure, the person cannot recall what was said during the seizure. Brain magnetic resonance imaging (MRI) shows left hippocampal sclerosis, a brain abnormality associated with focal seizures. [11]
Because epileptic seizures typically include convulsions, the term convulsion is often used as a synonym for seizure. [1] However, not all epileptic seizures result in convulsions, and not all convulsions are caused by epileptic seizures. [1] [2] Non-epileptic convulsions have no relation with epilepsy, and are caused by non-epileptic seizures. [1]
Seizures are controllable with medication in about 69% of cases; [7] inexpensive anti-seizure medications are often available. [1] In those whose seizures do not respond to medication; surgery, neurostimulation or dietary changes may be considered. [5] [6] Not all cases of epilepsy are lifelong, and many people improve to the point that ...
A less tested hypothesis that some believe may play a larger role in determining who is affected by this disease is a genetic mutation that predisposes the subject for vertiginous epilepsy. [4] This hypothesis is supported by occurrences of vertiginous epilepsy in those with a family history of epilepsy. [6] Labeled lobes of the brain.
Temporal lobe epilepsy is the most common type of focal onset epilepsy among adults. [1] Seizure symptoms and behavior distinguish seizures arising from the mesial (medial) temporal lobe from seizures arising from the lateral (neocortical) temporal lobe. [2] Memory and psychiatric comorbidities may occur.
Focal seizures (also called partial seizures [1] and localized seizures) are seizures that affect initially only one hemisphere of the brain. [2] [3] The brain is divided into two hemispheres, each consisting of four lobes – the frontal, temporal, parietal and occipital lobes. A focal seizure is generated in and affects just one part of the ...
A person experiencing a TEA episode has very little short-term memory, so that there is profound difficulty remembering events in the past few minutes (anterograde amnesia), or of events in the hours before the onset of the attack, and even memories of important events in recent years may not be accessible during the amnestic event (retrograde amnesia). [6]