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Related Concept Videos

Seizures: Classification01:13

Seizures: Classification

347
Epilepsy is primarily characterized by unpredictable seizures, either provoked by an identifiable factor, such as injury or illness, or unprovoked, occurring spontaneously without apparent cause.
Seizures are typically classified into two main categories: focal and generalized seizures.
Focal Seizures
Focal seizures originate from specific regions of the brain. These seizures are further sub-classified into two types:
347
Arteries of the Lower Limbs01:24

Arteries of the Lower Limbs

189
Epilepsy is a chronic neurological disease marked by recurrent, unpredictable seizures. These seizures are caused by abnormal electrical discharges in the brain, leading to behavior, sensation, or consciousness alterations. They can also cause transient impairment of awareness, interfering with daily activities.
Various factors can trigger epilepsy, including genetic factors, brain damage, metabolic causes, and unknown etiology. Diagnosis of epilepsy involves electroencephalography (EEG), which...
189

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Related Experiment Video

Updated: Jul 1, 2025

Generation and On-Demand Initiation of Acute Ictal Activity in Rodent and Human Tissue
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Seizure Detection, Prediction, and Forecasting.

Aradia Fu1, Fred A Lado

  • 1Department of Neurology, Zucker School of Medicine at Hofstra-Northwell, Great Neck, New York, U.S.A.

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|March 4, 2024
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Seizure occurrence in epilepsy is not random but follows cyclic rhythms across various timescales. This understanding is driving the development of innovative devices for seizure detection and prediction.

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Area of Science:

  • Neurology
  • Biomedical Engineering
  • Chronobiology

Background:

  • Epilepsy patients experience significant distress due to the perceived unpredictability of seizures.
  • Historically, seizure occurrence was considered a random event.

Conclusions:

  • Seizure occurrence is a non-random, cyclical phenomenon.
  • Understanding seizure rhythmicity is crucial for developing effective seizure management tools.
  • Further research is needed to elucidate the mechanisms driving seizure cyclical variability and inform future device development.