A seizure which takes the form of a staring spell. The individual instantly appears to be "absent." An absence seizure involves a quick losing understanding, that could be combined with blinking or lips twitching. Lack seizures have actually a rather characteristic look on an electroencephalogram (EEG).
the event of an abrupt, transient reduction or disability of awareness (that is perhaps not afterwards remembered), sometimes with light twitching, fluttering eyelids, etc.; common in petit mal epilepsy