Supplementary Motor Cortex/ Frontal Lobe Epilepsy Quiz
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Reviewed By:
Benjamin Kummer, MD (Neurology)
Dr Kummer is Assistant Professor of Neurology at the Icahn School of Medicine at Mount Sinai (ISMMS), with joint appointment in Digital and Technology Partners (DTP) at the Mount Sinai Health System (MSHS) as Director of Clinical Informatics in Neurology. As a triple-board certified practicing stroke neurologist and informaticist, he has successfully improved clinical operations at the point of care by acting as a central liaison between clinical neurology faculty and DTP teams to implement targeted EHR configuration changes and workflows, as well as providing subject matter expertise on health information technology projects across MSHS. | Dr Kummer also has several years’ experience building and implementing several informatics tools, presenting scientific posters, and generating a body of peer-reviewed work in “clinical neuro-informatics” – i.e., the intersection of clinical neurology, digital health, and informatics – much of which is centered on digital/tele-health, artificial intelligence, and machine learning. He has spearheaded the Clinical Neuro-Informatics Center in the Department of Neurology at ISMMS, a new research institute that seeks to establish the field of clinical neuro-informatics and disseminate knowledge to the neurological community on the effects and benefits of clinical informatics tools at the point of care.
Shohei Harase, MD (Neurology)
Dr. Harase spent his junior and senior high school years in Finland and the U.S. After graduating from the University of Washington (Bachelor of Science, Molecular and Cellular Biology), he worked for Apple Japan Inc. before entering the University of the Ryukyus School of Medicine. He completed his residency at Okinawa Prefectural Chubu Hospital, where he received the Best Resident Award in 2016 and 2017. In 2021, he joined the Department of Cerebrovascular Medicine at the National Cerebral and Cardiovascular Center, specializing in hyperacute stroke.
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Learn more about Supplementary motor cortex/ frontal lobe epilepsy
Content updated on Nov 7, 2023
What is supplementary motor cortex/ frontal lobe epilepsy?
Supplementary motor epilepsy is a disorder characterized by repeated seizures originating from the supplementary motor area of the brain, located in the frontal lobe. These seizures mainly occur out of sleep and may manifest with limb stiffening without loss of consciousness.
Symptoms of supplementary motor cortex/ frontal lobe epilepsy
During the seizure, arm straightened and face turned to the same side e.g. left or right
Conscious and able to recall events during the seizure
Uncontrollable movements that usually happen at night
Questions your doctor may ask to check for supplementary motor cortex/ frontal lobe epilepsy
Your doctor may ask these questions to diagnose supplementary motor cortex/ frontal lobe epilepsy
During the seizure, did your arm straighten and face turn to the same side (e.g. left or right)?
Were you conscious and able to recall events during the seizure?
Do your uncontrollable movements usually happen at night?
Treatment for supplementary motor cortex/ frontal lobe epilepsy
Treatment consists of medications to manage seizures, and surgery or an electrical stimulation device if medications are not effective.
Diseases related to Supplementary motor cortex/ frontal lobe epilepsy
References
Morris HH 3rd, Dinner DS, Lüders H, Wyllie E, Kramer R. Supplementary motor seizures: clinical and electroencephalographic findings. Neurology. 1988 Jul;38(7):1075-82. doi: 10.1212/wnl.38.7.1075. PMID: 3386826.
https://n.neurology.org/content/38/7/1075.short
Kanner AM, Morris HH, Lüders H, Dinner DS, Wyllie E, Medendorp SV, Rowan AJ. Supplementary motor seizures mimicking pseudoseizures: some clinical differences. Neurology. 1990 Sep;40(9):1404-7. doi: 10.1212/wnl.40.9.1404. PMID: 2392226.
https://n.neurology.org/content/40/9/1404.short
Ohara S, Ikeda A, Kunieda T, Yazawa S, Taki J, Nagamine T, Taki W, Miyamoto S, Hashimoto N, Shibasaki H. Propagation of tonic posturing in supplementary motor area (SMA) seizures. Epilepsy Res. 2004 Dec;62(2-3):179-87. doi: 10.1016/j.eplepsyres.2004.09.002. PMID: 15579306.
https://www.sciencedirect.com/science/article/abs/pii/S0920121104002049?via%3Dihub
Tufenkjian K, Lüders HO. Seizure semiology: its value and limitations in localizing the epileptogenic zone. J Clin Neurol. 2012 Dec;8(4):243-50. doi: 10.3988/jcn.2012.8.4.243. Epub 2012 Dec 21. PMID: 23323131; PMCID: PMC3540282.
https://www.thejcn.com/DOIx.php?id=10.3988/jcn.2012.8.4.243
User testimonials
Reviewed By:
Benjamin Kummer, MD (Neurology)
Dr Kummer is Assistant Professor of Neurology at the Icahn School of Medicine at Mount Sinai (ISMMS), with joint appointment in Digital and Technology Partners (DTP) at the Mount Sinai Health System (MSHS) as Director of Clinical Informatics in Neurology. As a triple-board certified practicing stroke neurologist and informaticist, he has successfully improved clinical operations at the point of care by acting as a central liaison between clinical neurology faculty and DTP teams to implement targeted EHR configuration changes and workflows, as well as providing subject matter expertise on health information technology projects across MSHS. | Dr Kummer also has several years’ experience building and implementing several informatics tools, presenting scientific posters, and generating a body of peer-reviewed work in “clinical neuro-informatics” – i.e., the intersection of clinical neurology, digital health, and informatics – much of which is centered on digital/tele-health, artificial intelligence, and machine learning. He has spearheaded the Clinical Neuro-Informatics Center in the Department of Neurology at ISMMS, a new research institute that seeks to establish the field of clinical neuro-informatics and disseminate knowledge to the neurological community on the effects and benefits of clinical informatics tools at the point of care.
Shohei Harase, MD (Neurology)
Dr. Harase spent his junior and senior high school years in Finland and the U.S. After graduating from the University of Washington (Bachelor of Science, Molecular and Cellular Biology), he worked for Apple Japan Inc. before entering the University of the Ryukyus School of Medicine. He completed his residency at Okinawa Prefectural Chubu Hospital, where he received the Best Resident Award in 2016 and 2017. In 2021, he joined the Department of Cerebrovascular Medicine at the National Cerebral and Cardiovascular Center, specializing in hyperacute stroke.
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