Judged: two independent readers; copy check clear.
focal seizure
focal seizure A focal seizure is a brief disturbance caused by abnormal electrical activity in one specific area of the brain.
A focal seizure is a brief disturbance caused by abnormal electrical activity in one specific area of the brain. It can affect movement, sensation, autonomic functions, or mental experiences such as speech, mood, thought, deja vu, or hallucinations, and often happens without a major change in awareness or alertness.