Focal motor seizure true true Localized motor seizure Segmental motor seizure A motor onset seizure involves motor activity (movement) and may be due to either an increase or decrease in contraction in a muscle or group of muscles. Depending on the muscle groups involved and the way they are affected, the movement features of a motor onset seizure may be simple or more complex. HP:0011153 SNOMEDCT_US:82401000 Partial motor seizure 2011-10-18T02:33:17Z https://www.medicinenet.com/script/main/art.asp?articlekey=32972 Focal motor seizures Localised motor seizure MSH:D020938 SNOMEDCT_US:128612007 Partial motor seizures UMLS:C0016399 human_phenotype A motor onset seizure involves motor activity (movement) and may be due to either an increase or decrease in contraction in a muscle or group of muscles. Depending on the muscle groups involved and the way they are affected, the movement features of a motor onset seizure may be simple or more complex. A type of focal-onset seizure characterized by a motor sign as its initial semiological manifestation. Localized motor seizures peter focal seizure classification by onset feature